How to repair my lvm volume?
I have
# e2fsck -f /dev/media/media
e2fsck 1.42.2 (27-Mar-2012)
Superblock has an invalid journal (inode 8).
Clear<y>? yes
*** ext3 journal has been deleted - filesystem is now ext2 only ***
The filesystem size (according to the superblock) is 1232118784 blocks
The physical size of the device is 1220943872 blocks
Either the superblock or the partition table is likely to be corrupt!
Abort<y>? no
Pass 1: Checking inodes, blocks, and sizes
Group 16623's block bitmap (544702464) is bad. Relocate<y>? yes
Group 16623's inode bitmap (544702465) is bad. Relocate<y>? yes
Group 16624's block bitmap (544735232) is bad. Relocate<y>? yes
Group 16624's inode bitmap (544735233) is bad. Relocate<y>? yes
Group 16625's block bitmap (544768000) is bad. Relocate<y>? yes
Group 16625's inode bitmap (544768001) is bad. Relocate<y>? yes
Group 16626's block bitmap (544800768) is bad. Relocate<y>?
Error writing block 1220968637 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968638 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968639 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968640 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968641 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968634 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968635 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error writing block 1220968636 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
Error reading block 1220968642 (Invalid argument) while getting next inode from scan. Ignore error<y>? yes
I couldn't figure out what it said at the end since I had to leave a weight on the enter key to go through all the errors and it overflowed the output. But the other 3 times I've run it, it was something about multiple blocks for one inode and unable to move the inode or something, and then e2fsck aborts.
I had done "e2fsck -cc" and that was a good 3+ days spent which didn't fix it either.
and the setup im dealing with:
Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes
256 heads, 63 sectors/track, 363376 cylinders, total 5860533168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 1 4294967295 2147483647+ ee GPT
Partition 1 does not start on physical sector boundary.
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
81 heads, 63 sectors/track, 382818 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xd8295a24
Device Boot Start End Blocks Id System
/dev/sda1 2048 1953525167 976761560 8e Linux LVM
Disk /dev/sdd: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x49f8bd43
Device Boot Start End Blocks Id System
/dev/sdd1 63 1953520064 976760001 8e Linux LVM
Disk /dev/mapper/media-media: 5001.0 GB, 5000986099712 bytes
255 heads, 63 sectors/track, 608001 cylinders, total 9767550976 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Last edited by boast (2012-05-21 03:29:34)
finally got to the end of one fsck
Error writing block 1232109568 (Invalid argument) while reading inode and block bitmaps. Ignore error<y>? yes
Error reading block 1232109569 (Invalid argument) while reading inode and block bitmaps. Ignore error<y>? yes
Force rewrite<y>? yes
(There are 1 inodes containing multiply-claimed blocks.)
File ... (inode #77003937, mod time Sun Jul 9 12:44:01 1989)
has 15 multiply-claimed block(s), shared with 1 file(s):
<filesystem metadata>
Clone multiply-claimed blocks<y>? yes
Error writing block 1232109569 (Invalid argument). Ignore error<y>? yes
Recreate journal<y>? yes
Creating journal (32768 blocks):
Done.
*** journal has been re-created - filesystem is now ext3 again ***
e2fsck: aborted
/dev/media/media: ***** FILE SYSTEM WAS MODIFIED *****
/dev/media/media: ********** WARNING: Filesystem still has errors **********
edit: I consider it gone forever now. Googled and tried everything I found with no luck. Using photorec now to recover what I can.
Last edited by boast (2012-05-24 21:52:39)
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LVM Volumes not available after update
Hi All!
I haven't updated my system for about two months and today I updated it. Now I have the problem that I cannot boot properly. I have my root partition in an LVM volume and on boot I get the message
ERROR: device 'UUID=xxx' not found. Skipping fs
ERROR: Unable to find root device 'UUID=xxx'
After that I land in the recovery shell. After some research I found, that "lvm lvdisplay" showed that my volumes where not available and I had to reenable them with "lvm vgchange -a y".
Issuing any lvm command also produced the following warning:
WARNING: lvmetad is running but disabled. Restart lvmetad before enabling it!
Anyway, after issuing the commands and exiting the recovery shell, the system booted again. However, I would prefer being able to boot without manual actions.
Thanks in advance!
Further information:
vgdisplay
--- Volume group ---
VG Name ArchLVM
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 232.69 GiB
PE Size 4.00 MiB
Total PE 59568
Alloc PE / Size 59568 / 232.69 GiB
Free PE / Size 0 / 0
VG UUID SoB3M1-v1fD-1abI-PNJ3-6IOn-FfdI-0RoLK5
lvdisplay (LV Status was 'not available' right after booting)
--- Logical volume ---
LV Path /dev/ArchLVM/Swap
LV Name Swap
VG Name ArchLVM
LV UUID XRYBrz-LojR-k6SD-XIxV-wHnY-f3VG-giKL6V
LV Write Access read/write
LV Creation host, time archiso, 2014-05-16 14:43:06 +0200
LV Status available
# open 0
LV Size 8.00 GiB
Current LE 2048
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:0
--- Logical volume ---
LV Path /dev/ArchLVM/Root
LV Name Root
VG Name ArchLVM
LV UUID lpjDl4-Jqzu-ZWkq-Uphc-IaOo-6Rzd-cIh5yv
LV Write Access read/write
LV Creation host, time archiso, 2014-05-16 14:43:27 +0200
LV Status available
# open 1
LV Size 224.69 GiB
Current LE 57520
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:1
/etc/fstab
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
# /dev/mapper/ArchLVM-Root
UUID=2db82d1a-47a4-4e30-a819-143e8fb75199 / ext4 rw,relatime,data=ordered 0 1
#/dev/mapper/ArchLVM-Root / ext4 rw,relatime,data=ordered 0 1
# /dev/sda1
UUID=72691888-a781-4cdd-a98e-2613d87925d0 /boot ext2 rw,relatime 0 2
/etc/mkinitcpio.conf
# vim:set ft=sh
# MODULES
# The following modules are loaded before any boot hooks are
# run. Advanced users may wish to specify all system modules
# in this array. For instance:
# MODULES="piix ide_disk reiserfs"
MODULES=""
# BINARIES
# This setting includes any additional binaries a given user may
# wish into the CPIO image. This is run last, so it may be used to
# override the actual binaries included by a given hook
# BINARIES are dependency parsed, so you may safely ignore libraries
BINARIES=""
# FILES
# This setting is similar to BINARIES above, however, files are added
# as-is and are not parsed in any way. This is useful for config files.
FILES=""
# HOOKS
# This is the most important setting in this file. The HOOKS control the
# modules and scripts added to the image, and what happens at boot time.
# Order is important, and it is recommended that you do not change the
# order in which HOOKS are added. Run 'mkinitcpio -H <hook name>' for
# help on a given hook.
# 'base' is _required_ unless you know precisely what you are doing.
# 'udev' is _required_ in order to automatically load modules
# 'filesystems' is _required_ unless you specify your fs modules in MODULES
# Examples:
## This setup specifies all modules in the MODULES setting above.
## No raid, lvm2, or encrypted root is needed.
# HOOKS="base"
## This setup will autodetect all modules for your system and should
## work as a sane default
# HOOKS="base udev autodetect block filesystems"
## This setup will generate a 'full' image which supports most systems.
## No autodetection is done.
# HOOKS="base udev block filesystems"
## This setup assembles a pata mdadm array with an encrypted root FS.
## Note: See 'mkinitcpio -H mdadm' for more information on raid devices.
# HOOKS="base udev block mdadm encrypt filesystems"
## This setup loads an lvm2 volume group on a usb device.
# HOOKS="base udev block lvm2 filesystems"
## NOTE: If you have /usr on a separate partition, you MUST include the
# usr, fsck and shutdown hooks.
HOOKS="base udev autodetect modconf block lvm2 filesystems keyboard fsck"
# COMPRESSION
# Use this to compress the initramfs image. By default, gzip compression
# is used. Use 'cat' to create an uncompressed image.
#COMPRESSION="gzip"
#COMPRESSION="bzip2"
#COMPRESSION="lzma"
#COMPRESSION="xz"
#COMPRESSION="lzop"
#COMPRESSION="lz4"
# COMPRESSION_OPTIONS
# Additional options for the compressor
#COMPRESSION_OPTIONS=""
/boot/grub/grub.cfg
# DO NOT EDIT THIS FILE
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
### BEGIN /etc/grub.d/00_header ###
insmod part_gpt
insmod part_msdos
if [ -s $prefix/grubenv ]; then
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod lvm
insmod ext2
set root='lvmid/SoB3M1-v1fD-1abI-PNJ3-6IOn-FfdI-0RoLK5/lpjDl4-Jqzu-ZWkq-Uphc-IaOo-6Rzd-cIh5yv'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='lvmid/SoB3M1-v1fD-1abI-PNJ3-6IOn-FfdI-0RoLK5/lpjDl4-Jqzu-ZWkq-Uphc-IaOo-6Rzd-cIh5yv' 2db82d1a-47a4-4e30-a819-143e8fb75199
else
search --no-floppy --fs-uuid --set=root 2db82d1a-47a4-4e30-a819-143e8fb75199
fi
font="/usr/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
fi
terminal_input console
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=5
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-2db82d1a-47a4-4e30-a819-143e8fb75199' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 72691888-a781-4cdd-a98e-2613d87925d0
else
search --no-floppy --fs-uuid --set=root 72691888-a781-4cdd-a98e-2613d87925d0
fi
echo 'Loading Linux linux ...'
linux /vmlinuz-linux root=UUID=2db82d1a-47a4-4e30-a819-143e8fb75199 rw quiet
echo 'Loading initial ramdisk ...'
initrd /initramfs-linux.img
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-2db82d1a-47a4-4e30-a819-143e8fb75199' {
menuentry 'Arch Linux, with Linux linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-advanced-2db82d1a-47a4-4e30-a819-143e8fb75199' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 72691888-a781-4cdd-a98e-2613d87925d0
else
search --no-floppy --fs-uuid --set=root 72691888-a781-4cdd-a98e-2613d87925d0
fi
echo 'Loading Linux linux ...'
linux /vmlinuz-linux root=UUID=2db82d1a-47a4-4e30-a819-143e8fb75199 rw quiet
echo 'Loading initial ramdisk ...'
initrd /initramfs-linux.img
menuentry 'Arch Linux, with Linux linux (fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-fallback-2db82d1a-47a4-4e30-a819-143e8fb75199' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 72691888-a781-4cdd-a98e-2613d87925d0
else
search --no-floppy --fs-uuid --set=root 72691888-a781-4cdd-a98e-2613d87925d0
fi
echo 'Loading Linux linux ...'
linux /vmlinuz-linux root=UUID=2db82d1a-47a4-4e30-a819-143e8fb75199 rw quiet
echo 'Loading initial ramdisk ...'
initrd /initramfs-linux-fallback.img
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
### BEGIN /etc/grub.d/60_memtest86+ ###
### END /etc/grub.d/60_memtest86+ ###
Last edited by Kirodema (2014-07-16 07:31:34)use_lvmetad = 0
lvm2-lvmetad is not enabled or running on my system. Shall I activate it?
# This is an example configuration file for the LVM2 system.
# It contains the default settings that would be used if there was no
# /etc/lvm/lvm.conf file.
# Refer to 'man lvm.conf' for further information including the file layout.
# To put this file in a different directory and override /etc/lvm set
# the environment variable LVM_SYSTEM_DIR before running the tools.
# N.B. Take care that each setting only appears once if uncommenting
# example settings in this file.
# This section allows you to set the way the configuration settings are handled.
config {
# If enabled, any LVM2 configuration mismatch is reported.
# This implies checking that the configuration key is understood
# by LVM2 and that the value of the key is of a proper type.
# If disabled, any configuration mismatch is ignored and default
# value is used instead without any warning (a message about the
# configuration key not being found is issued in verbose mode only).
checks = 1
# If enabled, any configuration mismatch aborts the LVM2 process.
abort_on_errors = 0
# Directory where LVM looks for configuration profiles.
profile_dir = "/etc/lvm/profile"
# This section allows you to configure which block devices should
# be used by the LVM system.
devices {
# Where do you want your volume groups to appear ?
dir = "/dev"
# An array of directories that contain the device nodes you wish
# to use with LVM2.
scan = [ "/dev" ]
# If set, the cache of block device nodes with all associated symlinks
# will be constructed out of the existing udev database content.
# This avoids using and opening any inapplicable non-block devices or
# subdirectories found in the device directory. This setting is applied
# to udev-managed device directory only, other directories will be scanned
# fully. LVM2 needs to be compiled with udev support for this setting to
# take effect. N.B. Any device node or symlink not managed by udev in
# udev directory will be ignored with this setting on.
obtain_device_list_from_udev = 1
# If several entries in the scanned directories correspond to the
# same block device and the tools need to display a name for device,
# all the pathnames are matched against each item in the following
# list of regular expressions in turn and the first match is used.
preferred_names = [ ]
# Try to avoid using undescriptive /dev/dm-N names, if present.
# preferred_names = [ "^/dev/mpath/", "^/dev/mapper/mpath", "^/dev/[hs]d" ]
# A filter that tells LVM2 to only use a restricted set of devices.
# The filter consists of an array of regular expressions. These
# expressions can be delimited by a character of your choice, and
# prefixed with either an 'a' (for accept) or 'r' (for reject).
# The first expression found to match a device name determines if
# the device will be accepted or rejected (ignored). Devices that
# don't match any patterns are accepted.
# Be careful if there there are symbolic links or multiple filesystem
# entries for the same device as each name is checked separately against
# the list of patterns. The effect is that if the first pattern in the
# list to match a name is an 'a' pattern for any of the names, the device
# is accepted; otherwise if the first pattern in the list to match a name
# is an 'r' pattern for any of the names it is rejected; otherwise it is
# accepted.
# Don't have more than one filter line active at once: only one gets used.
# Run vgscan after you change this parameter to ensure that
# the cache file gets regenerated (see below).
# If it doesn't do what you expect, check the output of 'vgscan -vvvv'.
# If lvmetad is used, then see "A note about device filtering while
# lvmetad is used" comment that is attached to global/use_lvmetad setting.
# By default we accept every block device:
filter = [ "a/.*/" ]
# Exclude the cdrom drive
# filter = [ "r|/dev/cdrom|" ]
# When testing I like to work with just loopback devices:
# filter = [ "a/loop/", "r/.*/" ]
# Or maybe all loops and ide drives except hdc:
# filter =[ "a|loop|", "r|/dev/hdc|", "a|/dev/ide|", "r|.*|" ]
# Use anchors if you want to be really specific
# filter = [ "a|^/dev/hda8$|", "r/.*/" ]
# Since "filter" is often overridden from command line, it is not suitable
# for system-wide device filtering (udev rules, lvmetad). To hide devices
# from LVM-specific udev processing and/or from lvmetad, you need to set
# global_filter. The syntax is the same as for normal "filter"
# above. Devices that fail the global_filter are not even opened by LVM.
# global_filter = []
# The results of the filtering are cached on disk to avoid
# rescanning dud devices (which can take a very long time).
# By default this cache is stored in the /etc/lvm/cache directory
# in a file called '.cache'.
# It is safe to delete the contents: the tools regenerate it.
# (The old setting 'cache' is still respected if neither of
# these new ones is present.)
# N.B. If obtain_device_list_from_udev is set to 1 the list of
# devices is instead obtained from udev and any existing .cache
# file is removed.
cache_dir = "/etc/lvm/cache"
cache_file_prefix = ""
# You can turn off writing this cache file by setting this to 0.
write_cache_state = 1
# Advanced settings.
# List of pairs of additional acceptable block device types found
# in /proc/devices with maximum (non-zero) number of partitions.
# types = [ "fd", 16 ]
# If sysfs is mounted (2.6 kernels) restrict device scanning to
# the block devices it believes are valid.
# 1 enables; 0 disables.
sysfs_scan = 1
# By default, LVM2 will ignore devices used as component paths
# of device-mapper multipath devices.
# 1 enables; 0 disables.
multipath_component_detection = 1
# By default, LVM2 will ignore devices used as components of
# software RAID (md) devices by looking for md superblocks.
# 1 enables; 0 disables.
md_component_detection = 1
# By default, if a PV is placed directly upon an md device, LVM2
# will align its data blocks with the md device's stripe-width.
# 1 enables; 0 disables.
md_chunk_alignment = 1
# Default alignment of the start of a data area in MB. If set to 0,
# a value of 64KB will be used. Set to 1 for 1MiB, 2 for 2MiB, etc.
# default_data_alignment = 1
# By default, the start of a PV's data area will be a multiple of
# the 'minimum_io_size' or 'optimal_io_size' exposed in sysfs.
# - minimum_io_size - the smallest request the device can perform
# w/o incurring a read-modify-write penalty (e.g. MD's chunk size)
# - optimal_io_size - the device's preferred unit of receiving I/O
# (e.g. MD's stripe width)
# minimum_io_size is used if optimal_io_size is undefined (0).
# If md_chunk_alignment is enabled, that detects the optimal_io_size.
# This setting takes precedence over md_chunk_alignment.
# 1 enables; 0 disables.
data_alignment_detection = 1
# Alignment (in KB) of start of data area when creating a new PV.
# md_chunk_alignment and data_alignment_detection are disabled if set.
# Set to 0 for the default alignment (see: data_alignment_default)
# or page size, if larger.
data_alignment = 0
# By default, the start of the PV's aligned data area will be shifted by
# the 'alignment_offset' exposed in sysfs. This offset is often 0 but
# may be non-zero; e.g.: certain 4KB sector drives that compensate for
# windows partitioning will have an alignment_offset of 3584 bytes
# (sector 7 is the lowest aligned logical block, the 4KB sectors start
# at LBA -1, and consequently sector 63 is aligned on a 4KB boundary).
# But note that pvcreate --dataalignmentoffset will skip this detection.
# 1 enables; 0 disables.
data_alignment_offset_detection = 1
# If, while scanning the system for PVs, LVM2 encounters a device-mapper
# device that has its I/O suspended, it waits for it to become accessible.
# Set this to 1 to skip such devices. This should only be needed
# in recovery situations.
ignore_suspended_devices = 0
# ignore_lvm_mirrors: Introduced in version 2.02.104
# This setting determines whether logical volumes of "mirror" segment
# type are scanned for LVM labels. This affects the ability of
# mirrors to be used as physical volumes. If 'ignore_lvm_mirrors'
# is set to '1', it becomes impossible to create volume groups on top
# of mirror logical volumes - i.e. to stack volume groups on mirrors.
# Allowing mirror logical volumes to be scanned (setting the value to '0')
# can potentially cause LVM processes and I/O to the mirror to become
# blocked. This is due to the way that the "mirror" segment type handles
# failures. In order for the hang to manifest itself, an LVM command must
# be run just after a failure and before the automatic LVM repair process
# takes place OR there must be failures in multiple mirrors in the same
# volume group at the same time with write failures occurring moments
# before a scan of the mirror's labels.
# Note that these scanning limitations do not apply to the LVM RAID
# types, like "raid1". The RAID segment types handle failures in a
# different way and are not subject to possible process or I/O blocking.
# It is encouraged that users set 'ignore_lvm_mirrors' to 1 if they
# are using the "mirror" segment type. Users that require volume group
# stacking on mirrored logical volumes should consider using the "raid1"
# segment type. The "raid1" segment type is not available for
# active/active clustered volume groups.
# Set to 1 to disallow stacking and thereby avoid a possible deadlock.
ignore_lvm_mirrors = 1
# During each LVM operation errors received from each device are counted.
# If the counter of a particular device exceeds the limit set here, no
# further I/O is sent to that device for the remainder of the respective
# operation. Setting the parameter to 0 disables the counters altogether.
disable_after_error_count = 0
# Allow use of pvcreate --uuid without requiring --restorefile.
require_restorefile_with_uuid = 1
# Minimum size (in KB) of block devices which can be used as PVs.
# In a clustered environment all nodes must use the same value.
# Any value smaller than 512KB is ignored.
# Ignore devices smaller than 2MB such as floppy drives.
pv_min_size = 2048
# The original built-in setting was 512 up to and including version 2.02.84.
# pv_min_size = 512
# Issue discards to a logical volumes's underlying physical volume(s) when
# the logical volume is no longer using the physical volumes' space (e.g.
# lvremove, lvreduce, etc). Discards inform the storage that a region is
# no longer in use. Storage that supports discards advertise the protocol
# specific way discards should be issued by the kernel (TRIM, UNMAP, or
# WRITE SAME with UNMAP bit set). Not all storage will support or benefit
# from discards but SSDs and thinly provisioned LUNs generally do. If set
# to 1, discards will only be issued if both the storage and kernel provide
# support.
# 1 enables; 0 disables.
issue_discards = 0
# This section allows you to configure the way in which LVM selects
# free space for its Logical Volumes.
allocation {
# When searching for free space to extend an LV, the "cling"
# allocation policy will choose space on the same PVs as the last
# segment of the existing LV. If there is insufficient space and a
# list of tags is defined here, it will check whether any of them are
# attached to the PVs concerned and then seek to match those PV tags
# between existing extents and new extents.
# Use the special tag "@*" as a wildcard to match any PV tag.
# Example: LVs are mirrored between two sites within a single VG.
# PVs are tagged with either @site1 or @site2 to indicate where
# they are situated.
# cling_tag_list = [ "@site1", "@site2" ]
# cling_tag_list = [ "@*" ]
# Changes made in version 2.02.85 extended the reach of the 'cling'
# policies to detect more situations where data can be grouped
# onto the same disks. Set this to 0 to revert to the previous
# algorithm.
maximise_cling = 1
# Whether to use blkid library instead of native LVM2 code to detect
# any existing signatures while creating new Physical Volumes and
# Logical Volumes. LVM2 needs to be compiled with blkid wiping support
# for this setting to take effect.
# LVM2 native detection code is currently able to recognize these signatures:
# - MD device signature
# - swap signature
# - LUKS signature
# To see the list of signatures recognized by blkid, check the output
# of 'blkid -k' command. The blkid can recognize more signatures than
# LVM2 native detection code, but due to this higher number of signatures
# to be recognized, it can take more time to complete the signature scan.
use_blkid_wiping = 1
# Set to 1 to wipe any signatures found on newly-created Logical Volumes
# automatically in addition to zeroing of the first KB on the LV
# (controlled by the -Z/--zero y option).
# The command line option -W/--wipesignatures takes precedence over this
# setting.
# The default is to wipe signatures when zeroing.
wipe_signatures_when_zeroing_new_lvs = 1
# Set to 1 to guarantee that mirror logs will always be placed on
# different PVs from the mirror images. This was the default
# until version 2.02.85.
mirror_logs_require_separate_pvs = 0
# Set to 1 to guarantee that cache_pool metadata will always be
# placed on different PVs from the cache_pool data.
cache_pool_metadata_require_separate_pvs = 0
# Specify the minimal chunk size (in kiB) for cache pool volumes.
# Using a chunk_size that is too large can result in wasteful use of
# the cache, where small reads and writes can cause large sections of
# an LV to be mapped into the cache. However, choosing a chunk_size
# that is too small can result in more overhead trying to manage the
# numerous chunks that become mapped into the cache. The former is
# more of a problem than the latter in most cases, so we default to
# a value that is on the smaller end of the spectrum. Supported values
# range from 32(kiB) to 1048576 in multiples of 32.
# cache_pool_chunk_size = 64
# Set to 1 to guarantee that thin pool metadata will always
# be placed on different PVs from the pool data.
thin_pool_metadata_require_separate_pvs = 0
# Specify chunk size calculation policy for thin pool volumes.
# Possible options are:
# "generic" - if thin_pool_chunk_size is defined, use it.
# Otherwise, calculate the chunk size based on
# estimation and device hints exposed in sysfs:
# the minimum_io_size. The chunk size is always
# at least 64KiB.
# "performance" - if thin_pool_chunk_size is defined, use it.
# Otherwise, calculate the chunk size for
# performance based on device hints exposed in
# sysfs: the optimal_io_size. The chunk size is
# always at least 512KiB.
# thin_pool_chunk_size_policy = "generic"
# Specify the minimal chunk size (in KB) for thin pool volumes.
# Use of the larger chunk size may improve performance for plain
# thin volumes, however using them for snapshot volumes is less efficient,
# as it consumes more space and takes extra time for copying.
# When unset, lvm tries to estimate chunk size starting from 64KB
# Supported values are in range from 64 to 1048576.
# thin_pool_chunk_size = 64
# Specify discards behaviour of the thin pool volume.
# Select one of "ignore", "nopassdown", "passdown"
# thin_pool_discards = "passdown"
# Set to 0, to disable zeroing of thin pool data chunks before their
# first use.
# N.B. zeroing larger thin pool chunk size degrades performance.
# thin_pool_zero = 1
# This section that allows you to configure the nature of the
# information that LVM2 reports.
log {
# Controls the messages sent to stdout or stderr.
# There are three levels of verbosity, 3 being the most verbose.
verbose = 0
# Set to 1 to suppress all non-essential messages from stdout.
# This has the same effect as -qq.
# When this is set, the following commands still produce output:
# dumpconfig, lvdisplay, lvmdiskscan, lvs, pvck, pvdisplay,
# pvs, version, vgcfgrestore -l, vgdisplay, vgs.
# Non-essential messages are shifted from log level 4 to log level 5
# for syslog and lvm2_log_fn purposes.
# Any 'yes' or 'no' questions not overridden by other arguments
# are suppressed and default to 'no'.
silent = 0
# Should we send log messages through syslog?
# 1 is yes; 0 is no.
syslog = 1
# Should we log error and debug messages to a file?
# By default there is no log file.
#file = "/var/log/lvm2.log"
# Should we overwrite the log file each time the program is run?
# By default we append.
overwrite = 0
# What level of log messages should we send to the log file and/or syslog?
# There are 6 syslog-like log levels currently in use - 2 to 7 inclusive.
# 7 is the most verbose (LOG_DEBUG).
level = 0
# Format of output messages
# Whether or not (1 or 0) to indent messages according to their severity
indent = 1
# Whether or not (1 or 0) to display the command name on each line output
command_names = 0
# A prefix to use before the message text (but after the command name,
# if selected). Default is two spaces, so you can see/grep the severity
# of each message.
prefix = " "
# To make the messages look similar to the original LVM tools use:
# indent = 0
# command_names = 1
# prefix = " -- "
# Set this if you want log messages during activation.
# Don't use this in low memory situations (can deadlock).
# activation = 0
# Some debugging messages are assigned to a class and only appear
# in debug output if the class is listed here.
# Classes currently available:
# memory, devices, activation, allocation, lvmetad, metadata, cache,
# locking
# Use "all" to see everything.
debug_classes = [ "memory", "devices", "activation", "allocation",
"lvmetad", "metadata", "cache", "locking" ]
# Configuration of metadata backups and archiving. In LVM2 when we
# talk about a 'backup' we mean making a copy of the metadata for the
# *current* system. The 'archive' contains old metadata configurations.
# Backups are stored in a human readable text format.
backup {
# Should we maintain a backup of the current metadata configuration ?
# Use 1 for Yes; 0 for No.
# Think very hard before turning this off!
backup = 1
# Where shall we keep it ?
# Remember to back up this directory regularly!
backup_dir = "/etc/lvm/backup"
# Should we maintain an archive of old metadata configurations.
# Use 1 for Yes; 0 for No.
# On by default. Think very hard before turning this off.
archive = 1
# Where should archived files go ?
# Remember to back up this directory regularly!
archive_dir = "/etc/lvm/archive"
# What is the minimum number of archive files you wish to keep ?
retain_min = 10
# What is the minimum time you wish to keep an archive file for ?
retain_days = 30
# Settings for the running LVM2 in shell (readline) mode.
shell {
# Number of lines of history to store in ~/.lvm_history
history_size = 100
# Miscellaneous global LVM2 settings
global {
# The file creation mask for any files and directories created.
# Interpreted as octal if the first digit is zero.
umask = 077
# Allow other users to read the files
#umask = 022
# Enabling test mode means that no changes to the on disk metadata
# will be made. Equivalent to having the -t option on every
# command. Defaults to off.
test = 0
# Default value for --units argument
units = "h"
# Since version 2.02.54, the tools distinguish between powers of
# 1024 bytes (e.g. KiB, MiB, GiB) and powers of 1000 bytes (e.g.
# KB, MB, GB).
# If you have scripts that depend on the old behaviour, set this to 0
# temporarily until you update them.
si_unit_consistency = 1
# Whether or not to display unit suffix for sizes. This setting has
# no effect if the units are in human-readable form (global/units="h")
# in which case the suffix is always displayed.
suffix = 1
# Whether or not to communicate with the kernel device-mapper.
# Set to 0 if you want to use the tools to manipulate LVM metadata
# without activating any logical volumes.
# If the device-mapper kernel driver is not present in your kernel
# setting this to 0 should suppress the error messages.
activation = 1
# If we can't communicate with device-mapper, should we try running
# the LVM1 tools?
# This option only applies to 2.4 kernels and is provided to help you
# switch between device-mapper kernels and LVM1 kernels.
# The LVM1 tools need to be installed with .lvm1 suffices
# e.g. vgscan.lvm1 and they will stop working after you start using
# the new lvm2 on-disk metadata format.
# The default value is set when the tools are built.
# fallback_to_lvm1 = 0
# The default metadata format that commands should use - "lvm1" or "lvm2".
# The command line override is -M1 or -M2.
# Defaults to "lvm2".
# format = "lvm2"
# Location of proc filesystem
proc = "/proc"
# Type of locking to use. Defaults to local file-based locking (1).
# Turn locking off by setting to 0 (dangerous: risks metadata corruption
# if LVM2 commands get run concurrently).
# Type 2 uses the external shared library locking_library.
# Type 3 uses built-in clustered locking.
# Type 4 uses read-only locking which forbids any operations that might
# change metadata.
# N.B. Don't use lvmetad with locking type 3 as lvmetad is not yet
# supported in clustered environment. If use_lvmetad=1 and locking_type=3
# is set at the same time, LVM always issues a warning message about this
# and then it automatically disables lvmetad use.
locking_type = 1
# Set to 0 to fail when a lock request cannot be satisfied immediately.
wait_for_locks = 1
# If using external locking (type 2) and initialisation fails,
# with this set to 1 an attempt will be made to use the built-in
# clustered locking.
# If you are using a customised locking_library you should set this to 0.
fallback_to_clustered_locking = 1
# If an attempt to initialise type 2 or type 3 locking failed, perhaps
# because cluster components such as clvmd are not running, with this set
# to 1 an attempt will be made to use local file-based locking (type 1).
# If this succeeds, only commands against local volume groups will proceed.
# Volume Groups marked as clustered will be ignored.
fallback_to_local_locking = 1
# Local non-LV directory that holds file-based locks while commands are
# in progress. A directory like /tmp that may get wiped on reboot is OK.
locking_dir = "/run/lock/lvm"
# Whenever there are competing read-only and read-write access requests for
# a volume group's metadata, instead of always granting the read-only
# requests immediately, delay them to allow the read-write requests to be
# serviced. Without this setting, write access may be stalled by a high
# volume of read-only requests.
# NB. This option only affects locking_type = 1 viz. local file-based
# locking.
prioritise_write_locks = 1
# Other entries can go here to allow you to load shared libraries
# e.g. if support for LVM1 metadata was compiled as a shared library use
# format_libraries = "liblvm2format1.so"
# Full pathnames can be given.
# Search this directory first for shared libraries.
# library_dir = "/lib"
# The external locking library to load if locking_type is set to 2.
# locking_library = "liblvm2clusterlock.so"
# Treat any internal errors as fatal errors, aborting the process that
# encountered the internal error. Please only enable for debugging.
abort_on_internal_errors = 0
# Check whether CRC is matching when parsed VG is used multiple times.
# This is useful to catch unexpected internal cached volume group
# structure modification. Please only enable for debugging.
detect_internal_vg_cache_corruption = 0
# If set to 1, no operations that change on-disk metadata will be permitted.
# Additionally, read-only commands that encounter metadata in need of repair
# will still be allowed to proceed exactly as if the repair had been
# performed (except for the unchanged vg_seqno).
# Inappropriate use could mess up your system, so seek advice first!
metadata_read_only = 0
# 'mirror_segtype_default' defines which segtype will be used when the
# shorthand '-m' option is used for mirroring. The possible options are:
# "mirror" - The original RAID1 implementation provided by LVM2/DM. It is
# characterized by a flexible log solution (core, disk, mirrored)
# and by the necessity to block I/O while reconfiguring in the
# event of a failure.
# There is an inherent race in the dmeventd failure handling
# logic with snapshots of devices using this type of RAID1 that
# in the worst case could cause a deadlock.
# Ref: https://bugzilla.redhat.com/show_bug.cgi?id=817130#c10
# "raid1" - This implementation leverages MD's RAID1 personality through
# device-mapper. It is characterized by a lack of log options.
# (A log is always allocated for every device and they are placed
# on the same device as the image - no separate devices are
# required.) This mirror implementation does not require I/O
# to be blocked in the kernel in the event of a failure.
# This mirror implementation is not cluster-aware and cannot be
# used in a shared (active/active) fashion in a cluster.
# Specify the '--type <mirror|raid1>' option to override this default
# setting.
mirror_segtype_default = "raid1"
# 'raid10_segtype_default' determines the segment types used by default
# when the '--stripes/-i' and '--mirrors/-m' arguments are both specified
# during the creation of a logical volume.
# Possible settings include:
# "raid10" - This implementation leverages MD's RAID10 personality through
# device-mapper.
# "mirror" - LVM will layer the 'mirror' and 'stripe' segment types. It
# will do this by creating a mirror on top of striped sub-LVs;
# effectively creating a RAID 0+1 array. This is suboptimal
# in terms of providing redundancy and performance. Changing to
# this setting is not advised.
# Specify the '--type <raid10|mirror>' option to override this default
# setting.
raid10_segtype_default = "raid10"
# The default format for displaying LV names in lvdisplay was changed
# in version 2.02.89 to show the LV name and path separately.
# Previously this was always shown as /dev/vgname/lvname even when that
# was never a valid path in the /dev filesystem.
# Set to 1 to reinstate the previous format.
# lvdisplay_shows_full_device_path = 0
# Whether to use (trust) a running instance of lvmetad. If this is set to
# 0, all commands fall back to the usual scanning mechanisms. When set to 1
# *and* when lvmetad is running (automatically instantiated by making use of
# systemd's socket-based service activation or run as an initscripts service
# or run manually), the volume group metadata and PV state flags are obtained
# from the lvmetad instance and no scanning is done by the individual
# commands. In a setup with lvmetad, lvmetad udev rules *must* be set up for
# LVM to work correctly. Without proper udev rules, all changes in block
# device configuration will be *ignored* until a manual 'pvscan --cache'
# is performed. These rules are installed by default.
# If lvmetad has been running while use_lvmetad was 0, it MUST be stopped
# before changing use_lvmetad to 1 and started again afterwards.
# If using lvmetad, the volume activation is also switched to automatic
# event-based mode. In this mode, the volumes are activated based on
# incoming udev events that automatically inform lvmetad about new PVs
# that appear in the system. Once the VG is complete (all the PVs are
# present), it is auto-activated. The activation/auto_activation_volume_list
# setting controls which volumes are auto-activated (all by default).
# A note about device filtering while lvmetad is used:
# When lvmetad is updated (either automatically based on udev events
# or directly by pvscan --cache <device> call), the devices/filter
# is ignored and all devices are scanned by default. The lvmetad always
# keeps unfiltered information which is then provided to LVM commands
# and then each LVM command does the filtering based on devices/filter
# setting itself.
# To prevent scanning devices completely, even when using lvmetad,
# the devices/global_filter must be used.
# N.B. Don't use lvmetad with locking type 3 as lvmetad is not yet
# supported in clustered environment. If use_lvmetad=1 and locking_type=3
# is set at the same time, LVM always issues a warning message about this
# and then it automatically disables lvmetad use.
use_lvmetad = 0
# Full path of the utility called to check that a thin metadata device
# is in a state that allows it to be used.
# Each time a thin pool needs to be activated or after it is deactivated
# this utility is executed. The activation will only proceed if the utility
# has an exit status of 0.
# Set to "" to skip this check. (Not recommended.)
# The thin tools are available as part of the device-mapper-persistent-data
# package from https://github.com/jthornber/thin-provisioning-tools.
# thin_check_executable = "/usr/bin/thin_check"
# Array of string options passed with thin_check command. By default,
# option "-q" is for quiet output.
# With thin_check version 2.1 or newer you can add "--ignore-non-fatal-errors"
# to let it pass through ignorable errors and fix them later.
# thin_check_options = [ "-q" ]
# Full path of the utility called to repair a thin metadata device
# is in a state that allows it to be used.
# Each time a thin pool needs repair this utility is executed.
# See thin_check_executable how to obtain binaries.
# thin_repair_executable = "/usr/bin/thin_repair"
# Array of extra string options passed with thin_repair command.
# thin_repair_options = [ "" ]
# Full path of the utility called to dump thin metadata content.
# See thin_check_executable how to obtain binaries.
# thin_dump_executable = "/usr/bin/thin_dump"
# If set, given features are not used by thin driver.
# This can be helpful not just for testing, but i.e. allows to avoid
# using problematic implementation of some thin feature.
# Features:
# block_size
# discards
# discards_non_power_2
# external_origin
# metadata_resize
# external_origin_extend
# thin_disabled_features = [ "discards", "block_size" ]
activation {
# Set to 1 to perform internal checks on the operations issued to
# libdevmapper. Useful for debugging problems with activation.
# Some of the checks may be expensive, so it's best to use this
# only when there seems to be a problem.
checks = 0
# Set to 0 to disable udev synchronisation (if compiled into the binaries).
# Processes will not wait for notification from udev.
# They will continue irrespective of any possible udev processing
# in the background. You should only use this if udev is not running
# or has rules that ignore the devices LVM2 creates.
# The command line argument --nodevsync takes precedence over this setting.
# If set to 1 when udev is not running, and there are LVM2 processes
# waiting for udev, run 'dmsetup udevcomplete_all' manually to wake them up.
udev_sync = 1
# Set to 0 to disable the udev rules installed by LVM2 (if built with
# --enable-udev_rules). LVM2 will then manage the /dev nodes and symlinks
# for active logical volumes directly itself.
# N.B. Manual intervention may be required if this setting is changed
# while any logical volumes are active.
udev_rules = 1
# Set to 1 for LVM2 to verify operations performed by udev. This turns on
# additional checks (and if necessary, repairs) on entries in the device
# directory after udev has completed processing its events.
# Useful for diagnosing problems with LVM2/udev interactions.
verify_udev_operations = 0
# If set to 1 and if deactivation of an LV fails, perhaps because
# a process run from a quick udev rule temporarily opened the device,
# retry the operation for a few seconds before failing.
retry_deactivation = 1
# How to fill in missing stripes if activating an incomplete volume.
# Using "error" will make inaccessible parts of the device return
# I/O errors on access. You can instead use a device path, in which
# case, that device will be used to in place of missing stripes.
# But note that using anything other than "error" with mirrored
# or snapshotted volumes is likely to result in data corruption.
missing_stripe_filler = "error"
# The linear target is an optimised version of the striped target
# that only handles a single stripe. Set this to 0 to disable this
# optimisation and always use the striped target.
use_linear_target = 1
# How much stack (in KB) to reserve for use while devices suspended
# Prior to version 2.02.89 this used to be set to 256KB
reserved_stack = 64
# How much memory (in KB) to reserve for use while devices suspended
reserved_memory = 8192
# Nice value used while devices suspended
process_priority = -18
# If volume_list is defined, each LV is only activated if there is a
# match against the list.
# "vgname" and "vgname/lvname" are matched exactly.
# "@tag" matches any tag set in the LV or VG.
# "@*" matches if any tag defined on the host is also set in the LV or VG
# If any host tags exist but volume_list is not defined, a default
# single-entry list containing "@*" is assumed.
# volume_list = [ "vg1", "vg2/lvol1", "@tag1", "@*" ]
# If auto_activation_volume_list is defined, each LV that is to be
# activated with the autoactivation option (--activate ay/-a ay) is
# first checked against the list. There are two scenarios in which
# the autoactivation option is used:
# - automatic activation of volumes based on incoming PVs. If all the
# PVs making up a VG are present in the system, the autoactivation
# is triggered. This requires lvmetad (global/use_lvmetad=1) and udev
# to be running. In this case, "pvscan --cache -aay" is called
# automatically without any user intervention while processing
# udev events. Please, make sure you define auto_activation_volume_list
# properly so only the volumes you want and expect are autoactivated.
# - direct activation on command line with the autoactivation option.
# In this case, the user calls "vgchange --activate ay/-a ay" or
# "lvchange --activate ay/-a ay" directly.
# By default, the auto_activation_volume_list is not defined and all
# volumes will be activated either automatically or by using --activate ay/-a ay.
# N.B. The "activation/volume_list" is still honoured in all cases so even
# if the VG/LV passes the auto_activation_volume_list, it still needs to
# pass the volume_list for it to be activated in the end.
# If auto_activation_volume_list is defined but empty, no volumes will be
# activated automatically and --activate ay/-a ay will do nothing.
# auto_activation_volume_list = []
# If auto_activation_volume_list is defined and it's not empty, only matching
# volumes will be activated either automatically or by using --activate ay/-a ay.
# "vgname" and "vgname/lvname" are matched exactly.
# "@tag" matches any tag set in the LV or VG.
# "@*" matches if any tag defined on the host is also set in the LV or VG
# auto_activation_volume_list = [ "vg1", "vg2/lvol1", "@tag1", "@*" ]
# If read_only_volume_list is defined, each LV that is to be activated
# is checked against the list, and if it matches, it as activated
# in read-only mode. (This overrides '--permission rw' stored in the
# metadata.)
# "vgname" and "vgname/lvname" are matched exactly.
# "@tag" matches any tag set in the LV or VG.
# "@*" matches if any tag defined on the host is also set in the LV or VG
# read_only_volume_list = [ "vg1", "vg2/lvol1", "@tag1", "@*" ]
# Each LV can have an 'activation skip' flag stored persistently against it.
# During activation, this flag is used to decide whether such an LV is skipped.
# The 'activation skip' flag can be set during LV creation and by default it
# is automatically set for thin snapshot LVs. The 'auto_set_activation_skip'
# enables or disables this automatic setting of the flag while LVs are created.
# auto_set_activation_skip = 1
# For RAID or 'mirror' segment types, 'raid_region_size' is the
# size (in KiB) of each:
# - synchronization operation when initializing
# - each copy operation when performing a 'pvmove' (using 'mirror' segtype)
# This setting has replaced 'mirror_region_size' since version 2.02.99
raid_region_size = 512
# Setting to use when there is no readahead value stored in the metadata.
# "none" - Disable readahead.
# "auto" - Use default value chosen by kernel.
readahead = "auto"
# 'raid_fault_policy' defines how a device failure in a RAID logical
# volume is handled. This includes logical volumes that have the following
# segment types: raid1, raid4, raid5*, and raid6*.
# In the event of a failure, the following policies will determine what
# actions are performed during the automated response to failures (when
# dmeventd is monitoring the RAID logical volume) and when 'lvconvert' is
# called manually with the options '--repair' and '--use-policies'.
# "warn" - Use the system log to warn the user that a device in the RAID
# logical volume has failed. It is left to the user to run
# 'lvconvert --repair' manually to remove or replace the failed
# device. As long as the number of failed devices does not
# exceed the redundancy of the logical volume (1 device for
# raid4/5, 2 for raid6, etc) the logical volume will remain
# usable.
# "allocate" - Attempt to use any extra physical volumes in the volume
# group as spares and replace faulty devices.
raid_fault_policy = "warn"
# 'mirror_image_fault_policy' and 'mirror_log_fault_policy' define
# how a device failure affecting a mirror (of "mirror" segment type) is
# handled. A mirror is composed of mirror images (copies) and a log.
# A disk log ensures that a mirror does not need to be re-synced
# (all copies made the same) every time a machine reboots or crashes.
# In the event of a failure, the specified policy will be used to determine
# what happens. This applies to automatic repairs (when the mirror is being
# monitored by dmeventd) and to manual lvconvert --repair when
# --use-policies is given.
# "remove" - Simply remove the faulty device and run without it. If
# the log device fails, the mirror would convert to using
# an in-memory log. This means the mirror will not
# remember its sync status across crashes/reboots and
# the entire mirror will be re-synced. If a
# mirror image fails, the mirror will convert to a
# non-mirrored device if there is only one remaining good
# copy.
# "allocate" - Remove the faulty device and try to allocate space on
# a new device to be a replacement for the failed device.
# Using this policy for the log is fast and maintains the
# ability to remember sync state through crashes/reboots.
# Using this policy for a mirror device is slow, as it
# requires the mirror to resynchronize the devices, but it
# will preserve the mirror characteristic of the device.
# This policy acts like "remove" if no suitable device and
# space can be allocated for the replacement.
# "allocate_anywhere" - Not yet implemented. Useful to place the log device
# temporarily on same physical volume as one of the mirror
# images. This policy is not recommended for mirror devices
# since it would break the redundant nature of the mirror. This
# policy acts like "remove" if no suitable device and space can
# be allocated for the replacement.
mirror_log_fault_policy = "allocate"
mirror_image_fault_policy = "remove"
# 'snapshot_autoextend_threshold' and 'snapshot_autoextend_percent' define
# how to handle automatic snapshot extension. The former defines when the
# snapshot should be extended: when its space usage exceeds this many
# percent. The latter defines how much extra space should be allocated for
# the snapshot, in percent of its current size.
# For example, if you set snapshot_autoextend_threshold to 70 and
# snapshot_autoextend_percent to 20, whenever a snapshot exceeds 70% usage,
# it will be extended by another 20%. For a 1G snapshot, using up 700M will
# trigger a resize to 1.2G. When the usage exceeds 840M, the snapshot will
# be extended to 1.44G, and so on.
# Setting snapshot_autoextend_threshold to 100 disables automatic
# extensions. The minimum value is 50 (A setting below 50 will be treated
# as 50).
snapshot_autoextend_threshold = 100
snapshot_autoextend_percent = 20
# 'thin_pool_autoextend_threshold' and 'thin_pool_autoextend_percent' define
# how to handle automatic pool extension. The former defines when the
# pool should be extended: when its space usage exceeds this many
# percent. The latter defines how much extra space should be allocated for
# the pool, in percent of its current size.
# For example, if you set thin_pool_autoextend_threshold to 70 and
# thin_pool_autoextend_percent to 20, whenever a pool exceeds 70% usage,
# it will be extended by another 20%. For a 1G pool, using up 700M will
# trigger a resize to 1.2G. When the usage exceeds 840M, the pool will
# be extended to 1.44G, and so on.
# Setting thin_pool_autoextend_threshold to 100 disables automatic
# extensions. The minimum value is 50 (A setting below 50 will be treated
# as 50).
thin_pool_autoextend_threshold = 100
thin_pool_autoextend_percent = 20
# While activating devices, I/O to devices being (re)configured is
# suspended, and as a precaution against deadlocks, LVM2 needs to pin
# any memory it is using so it is not paged out. Groups of pages that
# are known not to be accessed during activation need not be pinned
# into memory. Each string listed in this setting is compared against
# each line in /proc/self/maps, and the pages corresponding to any
# lines that match are not pinned. On some systems locale-archive was
# found to make up over 80% of the memory used by the process.
# mlock_filter = [ "locale/locale-archive", "gconv/gconv-modules.cache" ]
# Set to 1 to revert to the default behaviour prior to version 2.02.62
# which used mlockall() to pin the whole process's memory while activating
# devices.
use_mlockall = 0
# Monitoring is enabled by default when activating logical volumes.
# Set to 0 to disable monitoring or use the --ignoremonitoring option.
monitoring = 1
# When pvmove or lvconvert must wait for the kernel to finish
# synchronising or merging data, they check and report progress
# at intervals of this number of seconds. The default is 15 seconds.
# If this is set to 0 and there is only one thing to wait for, there
# are no progress reports, but the process is awoken immediately the
# operation is complete.
polling_interval = 15
# Report settings.
# report {
# Align columns on report output.
# aligned=1
# When buffered reporting is used, the report's content is appended
# incrementally to include each object being reported until the report
# is flushed to output which normally happens at the end of command
# execution. Otherwise, if buffering is not used, each object is
# reported as soon as its processing is finished.
# buffered=1
# Show headings for columns on report.
# headings=1
# A separator to use on report after each field.
# separator=" "
# Use a field name prefix for each field reported.
# prefixes=0
# Quote field values when using field name prefixes.
# quoted=1
# Output each column as a row. If set, this also implies report/prefixes=1.
# colums_as_rows=0
# Comma separated list of columns to sort by when reporting 'lvm devtypes' command.
# See 'lvm devtypes -o help' for the list of possible fields.
# devtypes_sort="devtype_name"
# Comma separated list of columns to report for 'lvm devtypes' command.
# See 'lvm devtypes -o help' for the list of possible fields.
# devtypes_cols="devtype_name,devtype_max_partitions,devtype_description"
# Comma separated list of columns to report for 'lvm devtypes' command in verbose mode.
# See 'lvm devtypes -o help' for the list of possible fields.
# devtypes_cols_verbose="devtype_name,devtype_max_partitions,devtype_description"
# Comma separated list of columns to sort by when reporting 'lvs' command.
# See 'lvs -o help' for the list of possible fields.
# lvs_sort="vg_name,lv_name"
# Comma separated list of columns to report for 'lvs' command.
# See 'lvs -o help' for the list of possible fields.
# lvs_cols="lv_name,vg_name,lv_attr,lv_size,pool_lv,origin,data_percent,move_pv,mirror_log,copy_percent,convert_lv"
# Comma separated list of columns to report for 'lvs' command in verbose mode.
# See 'lvs -o help' for the list of possible fields.
# lvs_cols_verbose="lv_name,vg_name,seg_count,lv_attr,lv_size,lv_major,lv_minor,lv_kernel_major,lv_kernel_minor,pool_lv,origin,data_percent,metadata_percent,move_pv,copy_percent,mirror_log,convert
# Comma separated list of columns to sort by when reporting 'vgs' command.
# See 'vgs -o help' for the list of possible fields.
# vgs_sort="vg_name"
# Comma separated list of columns to report for 'vgs' command.
# See 'vgs -o help' for the list of possible fields.
# vgs_cols="vg_name,pv_count,lv_count,snap_count,vg_attr,vg_size,vg_free"
# Comma separated list of columns to report for 'vgs' command in verbose mode.
# See 'vgs -o help' for the list of possible fields.
# vgs_cols_verbose="vg_name,vg_attr,vg_extent_size,pv_count,lv_count,snap_count,vg_size,vg_free,vg_uuid,vg_profile"
# Comma separated list of columns to sort by when reporting 'pvs' command.
# See 'pvs -o help' for the list of possible fields.
# pvs_sort="pv_name"
# Comma separated list of columns to report for 'pvs' command.
# See 'pvs -o help' for the list of possible fields.
# pvs_cols="pv_name,vg_name,pv_fmt,pv_attr,pv_size,pv_free"
# Comma separated list of columns to report for 'pvs' command in verbose mode.
# See 'pvs -o help' for the list of possible fields.
# pvs_cols_verbose="pv_name,vg_name,pv_fmt,pv_attr,pv_size,pv_free,dev_size,pv_uuid"
# Comma separated list of columns to sort by when reporting 'lvs --segments' command.
# See 'lvs --segments -o help' for the list of possible fields.
# segs_sort="vg_name,lv_name,seg_start"
# Comma separated list of columns to report for 'lvs --segments' command.
# See 'lvs --segments -o help' for the list of possible fields.
# segs_cols="lv_name,vg_name,lv_attr,stripes,segtype,seg_size"
# Comma separated list of columns to report for 'lvs --segments' command in verbose mode.
# See 'lvs --segments -o help' for the list of possible fields.
# segs_cols_verbose="lv_name,vg_name,lv_attr,seg_start,seg_size,stripes,segtype,stripesize,chunksize"
# Comma separated list of columns to sort by when reporting 'pvs --segments' command.
# See 'pvs --segments -o help' for the list of possible fields.
# pvsegs_sort="pv_name,pvseg_start"
# Comma separated list of columns to sort by when reporting 'pvs --segments' command.
# See 'pvs --segments -o help' for the list of possible fields.
# pvsegs_cols="pv_name,vg_name,pv_fmt,pv_attr,pv_size,pv_free,pvseg_start,pvseg_size"
# Comma separated list of columns to sort by when reporting 'pvs --segments' command in verbose mode.
# See 'pvs --segments -o help' for the list of possible fields.
# pvsegs_cols_verbose="pv_name,vg_name,pv_fmt,pv_attr,pv_size,pv_free,pvseg_start,pvseg_size,lv_name,seg_start_pe,segtype,seg_pe_ranges"
# Advanced section #
# Metadata settings
# metadata {
# Default number of copies of metadata to hold on each PV. 0, 1 or 2.
# You might want to override it from the command line with 0
# when running pvcreate on new PVs which are to be added to large VGs.
# pvmetadatacopies = 1
# Default number of copies of metadata to maintain for each VG.
# If set to a non-zero value, LVM automatically chooses which of
# the available metadata areas to use to achieve the requested
# number of copies of the VG metadata. If you set a value larger
# than the the total number of metadata areas available then
# metadata is stored in them all.
# The default value of 0 ("unmanaged") disables this automatic
# management and allows you to control which metadata areas
# are used at the individual PV level using 'pvchange
# --metadataignore y/n'.
# vgmetadatacopies = 0
# Approximate default size of on-disk metadata areas in sectors.
# You should increase this if you have large volume groups or
# you want to retain a large on-disk history of your metadata changes.
# pvmetadatasize = 255
# List of directories holding live copies of text format metadata.
# These directories must not be on logical volumes!
# It's possible to use LVM2 with a couple of directories here,
# preferably on different (non-LV) filesystems, and with no other
# on-disk metadata (pvmetadatacopies = 0). Or this can be in
# addition to on-disk metadata areas.
# The feature was originally added to simplify testing and is not
# supported under low memory situations - the machine could lock up.
# Never edit any files in these directories by hand unless you
# you are absolutely sure you know what you are doing! Use
# the supplied toolset to make changes (e.g. vgcfgrestore).
# dirs = [ "/etc/lvm/metadata", "/mnt/disk2/lvm/metadata2" ]
# Event daemon
dmeventd {
# mirror_library is the library used when monitoring a mirror device.
# "libdevmapper-event-lvm2mirror.so" attempts to recover from
# failures. It removes failed devices from a volume group and
# reconfigures a mirror as necessary. If no mirror library is
# provided, mirrors are not monitored through dmeventd.
mirror_library = "libdevmapper-event-lvm2mirror.so"
# snapshot_library is the library used when monitoring a snapshot device.
# "libdevmapper-event-lvm2snapshot.so" monitors the filling of
# snapshots and emits a warning through syslog when the use of
# the snapshot exceeds 80%. The warning is repeated when 85%, 90% and
# 95% of the snapshot is filled.
snapshot_library = "libdevmapper-event-lvm2snapshot.so"
# thin_library is the library used when monitoring a thin device.
# "libdevmapper-event-lvm2thin.so" monitors the filling of
# pool and emits a warning through syslog when the use of
# the pool exceeds 80%. The warning is repeated when 85%, 90% and
# 95% of the pool is filled.
thin_library = "libdevmapper-event-lvm2thin.so"
# Full path of the dmeventd binary.
# executable = "/usr/sbin/dmeventd" -
Hi
I have my iPhone 4s plugged into a dock and the dock connected to an amplifier with 2 speakers and a bass, the problem is that the amplifier doesn't have a volume changer and when i plug in the iPhone into the dock the iPhone´s volume bar disappears and im not allowed to change the volume and its very loud. how can i change the volume? is there an app? any ideas??(my dock doesnt have infrared remote controller )
TY!!!!Kline25 wrote:
So even if I just ask to pay them to replace the lock button they won't because my screens are third-party?
Apple does not repair devices beyond replacing the screen on some models or a battery replacement. They replace the ENTIRE device.
For the Out of Warranty replacement cost, you could have gotten a fully functional replacement device. Instead you chose to spend less to get only the screen replaced and continue to live with additional issues.
Apple will not touch the device now. They will know that it was opened elsewhere and that the replacement screen is not original. -
[SOLVED] how do i get laptop volume control to function?
On my toshiba laptop, my sound "works" however the rotary volume control at front of the laptop does not affect the volume. When I turn it the volume bar appears on the display but nothing happens. This used to work but I have been "playing" with my arch system to try and gain knowledge of arch et.al and now I have broke something and cannot remember how to revert back.
I am running kdemod(4.2). SystemSettings->Multimedia shows four "cards":
HDA Intel ALC268 (analog)
HDA Intel ALC268 (digital)
Esound (ESD)
HDA Intel ALC268 (IEC958 (S/PDIF) Digital Audio Output)
p.s. I can only get sound of the Analog device. The "test" button doesnt do anything with the other devices selected.
Soundchip reported by "lspci":
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
Soundmodules reported by "hwdetect --show-sound":
SOUND : snd-mixer-oss snd-pcm-oss snd-hwdep snd-page-alloc snd-pcm snd-timer snd snd-hda-codec snd-hda-intel soundcore
modprobe.conf:
# /etc/modprobe.conf (for v2.6 kernels)
options i915 modeset=1
alias net-pf-10 off
rc.conf:
# /etc/rc.conf - Main Configuration for Arch Linux
# LOCALIZATION
# LOCALE: available languages can be listed with the 'locale -a' command
# HARDWARECLOCK: set to "UTC" or "localtime"
# USEDIRECTISA: use direct I/O requests instead of /dev/rtc for hwclock
# TIMEZONE: timezones are found in /usr/share/zoneinfo
# KEYMAP: keymaps are found in /usr/share/kbd/keymaps
# CONSOLEFONT: found in /usr/share/kbd/consolefonts (only needed for non-US)
# CONSOLEMAP: found in /usr/share/kbd/consoletrans
# USECOLOR: use ANSI color sequences in startup messages
LOCALE="en_GB.utf8"
HARDWARECLOCK="localtime"
USEDIRECTISA="no"
TIMEZONE="Europe/London"
KEYMAP="uk"
CONSOLEFONT=
CONSOLEMAP=
USECOLOR="yes"
# HARDWARE
# MOD_AUTOLOAD: Allow autoloading of modules at boot and when needed
# MOD_BLACKLIST: Prevent udev from loading these modules
# MODULES: Modules to load at boot-up. Prefix with a ! to blacklist.
# NOTE: Use of 'MOD_BLACKLIST' is deprecated. Please use ! in the MODULES array.
MOD_AUTOLOAD="yes"
#MOD_BLACKLIST=() #deprecated
#MODULES=(mii r8169 snd-mixer-oss snd-pcm-oss snd-hwdep snd-page-alloc snd-pcm snd-timer snd snd-hda-intel soundcore)
# Scan for LVM volume groups at startup, required if you use LVM
USELVM="no"
# NETWORKING
# HOSTNAME: Hostname of machine. Should also be put in /etc/hosts
HOSTNAME="daz"
# Use 'ifconfig -a' or 'ls /sys/class/net/' to see all available interfaces.
# Interfaces to start at boot-up (in this order)
# Declare each interface then list in INTERFACES
# - prefix an entry in INTERFACES with a ! to disable it
# - no hyphens in your interface names - Bash doesn't like it
#eth0="dhcp"
# Wireless: See network profiles below
#eth0="dhcp"
#INTERFACES=(eth0)
wlan0="wlan0 192.168.0.10 netmask 255.255.255.0"
# Routes to start at boot-up (in this order)
# Declare each route then list in ROUTES
# - prefix an entry in ROUTES with a ! to disable it
gateway="default gw 192.168.0.1"
ROUTES=(!gateway)
# Enable these network profiles at boot-up. These are only useful
# if you happen to need multiple network configurations (ie, laptop users)
# - set to 'menu' to present a menu during boot-up (dialog package required)
# - prefix an entry with a ! to disable it
# Network profiles are found in /etc/network.d
# This now requires the netcfg package
#NETWORKS=(main)
# DAEMONS
# Daemons to start at boot-up (in this order)
# - prefix a daemon with a ! to disable it
# - prefix a daemon with a @ to start it up in the background
DAEMONS=(preload hal @cpufreq @networkmanager @kdm)
would really appreciate if someone could get my volume control working.
Last edited by keratos (2009-05-04 12:33:57)Wilco wrote:Edit: misread your post..., anyway you need to set the main volume control to the one that produces sound, in your case analog.
eh ?? how is a volume control 'set' to the analog card?
Last edited by keratos (2009-05-04 08:10:52) -
How to repair disk permissions inside Time Machine?
I need to restore my .sites file for iWeb from Time Machine, but when I try I get the following error:
"The operation can't be completed because you don't have permission to access some of the items." What IS restored are a few (10 or so) .jpg files that were part of my site that once contained thousands of pictures, dozens of movies, and three years of work. The file details inside Time Machine ("Quick View") is 972MB, but again -- what is actually restored is only about 10 pics of a mb each.
Does anyone know how to repair disk permissions for a file inside Time Machine? In Disk Utility the button to repair permissions is grayed out when I select Time Machine volume.
Much thanks in advance!I have the same issue (and circumvented it by copying the files with "cp" from the unix shell). The permissions on the TM disk don't really look wrong, and the fact that I can copy the files means that they aren't read protected.
There seems to be some serious bug in Time Machine here, my guess is that the TM restore operation somehow does things in the wrong order (like copying with preserved access lists to a temporary location and then try to move the files from there. This won't work since the files will be protected with access lists from accidental removal on the TM disk).
More discussion in this thread:
http://discussions.apple.com/thread.jspa?threadID=2164188 -
Can someone please help me with a Macbook Pro booting question?
Recently, my mid 2010 MacBook Pro has started acting up when I am on Safari. Safari would unexpectedly crash multiple times in a row, then run fine for a while, then again, crash repeatedly. Not long after this began happening, an error message from my Prosoft Drive Genius 3 software, threw out a message that a serious error had occurred and I needed to repair the HD volume. Before I was able to run the software to repair the HD volume, the machine stopped working. I turned off the Macbook and when I tried to restart, it would not boot. I have since removed all external hardware from my machine and tried several times, unsuccessfully, to boot. I have also tried booting in safe mode when also does not work.
Any suggestions? Thanks for your help.Try SMC reset:
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. (four keys together)
Release all the keys and the power button at the same time.
Press the power button to turn on the computer. -
How do I get more volume when watching a movie and can I use headphones?
How do I get more volume when watching a movie? And can I also use headphones?
Many governments now limit how loud headphones can go. Europe has been plagued with this for many years. Separate amplifiers are available.
I believe volumes should be kept at reasonable levels to avoid hearing loss, but it's not the governments job to protect me.
I prefer Beyerdynamic over Bose Headphones. (They spend a lot less money on advertising.)
http://www.amazon.com/beyerdynamic-DT770-PRO-250-ohm/dp/B0006NL5SM/ref=sr_1_1?s= electronics&ie=UTF8&qid=1308969660&sr=1-1 -
how to repair my macbook pro when i had delete the app store file and know it telling that appstore file has been damage or incomplete and i had the version 10.6.8
so is their is any way that i can solve this matter
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How do I get my volume to work?
I have the iphone4s and my volume won't work anymore. When I push the buttons on the side the little ringer icon shows up but not the little bar that tells you how high or low the volume is. Every now and then the volume will go on by itself but it only stays on for a couple seconds. When I talk on the phone it works and Siri works so it's not the speakers. Also I tried using a Bluetooth speaker and the volume doesn't work for that, but when I use an iHome it does work. Also when I FaceTime my volume works. But I can't play music or watch videos anymore.
I tried my headphones to see what would happen and at first they worked. But sometimes the music would stop and the same thing happened. There was no volume bar. So I unplugged my headphones and put them back in. That seemed to work and I just got used to listening to music like that. But these past couple days my headphones are hardly working and I'm so frustrated. Can someone please help with my problem.Hello there, Fruitloops25.
The following Knowledge Base article offers up some great steps for troubleshooting the issue you're describing:
iPhone: No sound or distorted sound from speaker
http://support.apple.com/kb/ts5180
Verify that the volume is set to a level you would normally be able to hear.
Ensure that there is nothing plugged in to the headset jack or the dock connector.
If the iPhone is in a protective case, make sure that the speaker port isn't blocked by the case.
Make sure that the speaker and dock port aren't clogged with debris. If necessary, clean it with a clean, small, dry, soft-bristled brush. Carefully and gently brush away any debris.
If an audio issue occurs when using a specific application, try testing other applications to see if the issue persists.
If the iPhone is paired with a Bluetooth headset or car kit:
Try turning off Bluetooth.
If you experience difficulties with the Bluetooth feature, follow these troubleshooting steps.
Restart the iPhone.
If restarting doesn't fix the issue, ensure that your iPhone is updated to the latest version of iOS.
If the issue is not resolved, please contact Apple Support.
Learn more about troubleshooting iPhone hardware issues.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro. -
How do I make the Volumes folder visible so it will back up using Time Machine?
Hi
How do I unhide the Volumes folder for backing up using Time Machine?OK I have to say this even though you probably realize it, having anything but mount points in the Volumes folder, especially regular files that are critical to you is really a bad bad idea.
You should do everything in your power to correct this asap.
In the meantime as to Time Machine, your profile says you are running 10.6.8 is that correct? TM has changed some since then.
Basically if you are not excluding system files from the backup the Volumes folder should be in the backup. If the regular files are in there is an other issue.
You can check by opening a Terminal window cd to your TM backup drive then into the .backup folder. Pick a backup and see if the Volumes folder is there and if the files are in it.
But again having anythgin in there is going to be a problem.
good luck -
How can I convert the volume directory into a single file installer?
How can I convert the volume directory into a single file installer? I would like to hide all the miscillaneous files that I don't care for and be able to have the installer double click a single file and have it automatically install.
On the second prompt screen when prompted 'What kind of self-extracting Zip file file do you want to make?'
Are you choosing the second option (self-extracting Zip file for software installation)?
I have a word file that I created to help me remember - is there anyway to email it to you? -
How do I change the volume for a single midi instrument in GarageBand 10? Every time I move the volume, it moves back!
Every time I move the volume, it moves back!
Check, if you have a volume automation set on the software instrument track.
If the track volume automation curve is enabled, the volume slider for the track will move with the automation curve.
Click the automation curves disclosure triangle in the track header and disable the volume automation. -
How can I control the volume in a Appletv movie from my remote control App. In my IPad ?.
How can I control the volume in a Apple Tv movie from my remote control App. In my IPad ?.
There is not now, nor has there ever been a version of flash for any iOS device.
Adobe has abandoned mobile flash, so there never will be.
Browsers like iswifter or photon may work for you, but don't hold your breath.
Check app store for an app of whatever game you want. -
How do i get the volume on screen display meter back?
Hello,
I have a minor problem... for some reason the on screen display meter for my volume when pressing on the keyboard suddenly disappeared, I would like to get this back.
I found this thread in the forum http://h30434.www3.hp.com/t5/Notebook-Display-and-Video/how-do-i-get-the-volume-on-screen-display-me... which another was having the same problem I'm having. The only difference is that I'm using HP Pavilion G7 with Windows 7.
Please help, thanks.
This question was solved.
View Solution.Hi,
You can use the same OSD utility listed in the other thread - it's on the link below.
http://ftp.hp.com/pub/softpaq/sp55001-55500/sp55152.exe
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience
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