Disk device is busy
Hi all ,
We are in oracle 11gR2 in windows. Our cloud control version is 12c. I always getting alerts that disk device 137 is 88% busy or above 90%. It happens specifically for this disk number and another one is 69. I looked up performance monitor in windows and i see that disk 137 in B drive which use for back up and recovery. I saw the live disk performance and i see that it runs oracle.exe and kfod.exe Can you guys tell me how i can find what is causing the high disk spike? if i get alerts at 6.00 am in the morning, how i can find what was causing the alert this time period?
>how i can find what was causing the alert this time period?
what does AWR/statspack report show is for 06:00 to 06:15?
when do backups run?
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Hi all,
I have a rather weird hard disk partitioning setup because I always find myself needing to adjust my partitions from time to time. So I decided to create many logical partitions and put my personal data on an LVM partition that spans over multiple logical partitions... so that I could resize easily and create space for other stuff as required.
The problem - I created a FAT32 file system on one of the partitions (/dev/sda16) that wasn't part of the LVM at the time (no resizing required). After doing this, I now have 2 disk devices (/dev/dm-0 and /dev/dm-1) that weren't / shouldn't be there. Also, the partitions that are part of the LVM setup are detected as FAT32 partitions by fdisk. The non-LVM changes I made with fdisk and parted while for LVM management I use Kvpm. I grew the LVM Volume group and Logical volumes to fill the disk, including the FAT32 partition I created earlier.
Here is some output:
[me@arch ~]$ sudo fdisk -l
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00034a0c
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 102400 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 13 5100 40857600 7 HPFS/NTFS
/dev/sda3 5101 38913 271602922+ 5 Extended
/dev/sda5 5101 7012 15358108+ 83 Linux
/dev/sda6 7013 8924 15358108+ 83 Linux
/dev/sda7 8925 12571 29294496 b W95 FAT32
/dev/sda8 12572 16218 29294496 b W95 FAT32
/dev/sda9 16219 19865 29294496 b W95 FAT32
/dev/sda10 19866 23512 29294496 b W95 FAT32
/dev/sda11 23513 27159 29294496 b W95 FAT32
/dev/sda12 30807 34453 29294496 b W95 FAT32
/dev/sda13 34454 38277 30716248+ 83 Linux
/dev/sda14 38278 38520 1951866 b W95 FAT32
/dev/sda15 38521 38913 3156741 82 Linux swap / Solaris
/dev/sda16 27160 30806 29294496 83 Linux
Partition table entries are not in disk order
Disk /dev/dm-0: 230.7 GB, 230669942784 bytes
255 heads, 63 sectors/track, 28044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/dm-1 doesn't contain a valid partition table
[me@arch ~]$ sudo blkid
/dev/sda15: UUID="6b0ec9ff-af7b-47c9-a7e3-33c860f8c706" TYPE="swap"
/dev/sda1: LABEL="System Reserved" UUID="FA481A59481A154B" TYPE="ntfs"
/dev/sda2: UUID="E6AE2D34AE2CFF25" TYPE="ntfs"
/dev/sda5: UUID="f0cb8bbe-7f41-442e-9f14-7b5aefa10ec0" TYPE="ext4"
/dev/sda6: UUID="030136d1-7985-4ba8-af33-929bab660c69" TYPE="ext4"
/dev/sda7: UUID="uuzBuM-OmD2-wvfg-X6cb-tuLY-4JTf-VVCcrJ" TYPE="LVM2_member"
/dev/sda8: UUID="CoXf98-btzg-Mfm3-pXR9-dHfW-tsmk-LbkTwh" TYPE="LVM2_member"
/dev/sda9: UUID="eBQ67Z-5RNv-Touw-GIpO-toW1-ZXCr-3uDKvR" TYPE="LVM2_member"
/dev/sda10: UUID="x8L0nI-MgI8-XZ0B-cm9k-it7J-frxe-AdSMaw" TYPE="LVM2_member"
/dev/sda11: UUID="FqO1Ca-60X4-br4P-FS3Y-1egf-ICrF-4cXr7W" TYPE="LVM2_member"
/dev/sda12: UUID="WzWN75-mq6R-D25Y-Mz1n-883n-dsYT-wQrH1B" TYPE="LVM2_member"
/dev/sda13: UUID="gqdPKd-1QhP-ya28-JmZ0-7hwU-00r1-swKu70" TYPE="LVM2_member"
/dev/sda14: UUID="1258-EDB5" TYPE="vfat"
/dev/sda16: UUID="cjdNvq-pm29-B5jE-YU4S-dLAi-N7JJ-RpJKDw" TYPE="LVM2_member"
/dev/mapper/DataVolumeGroup-DataLogicalVolume: UUID="7eee3ccb-703c-4aad-918e-6e39488ea7b6" TYPE="ext4"
/dev/mapper/DataVolumeGroup-ProxyCache: UUID="6db398c5-fd22-4998-acc7-10661ac136bc" TYPE="reiserfs"
[me@arch ~]$ sudo pvdisplay
--- Physical volume ---
PV Name /dev/sda7
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID uuzBuM-OmD2-wvfg-X6cb-tuLY-4JTf-VVCcrJ
--- Physical volume ---
PV Name /dev/sda8
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID CoXf98-btzg-Mfm3-pXR9-dHfW-tsmk-LbkTwh
--- Physical volume ---
PV Name /dev/sda9
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID eBQ67Z-5RNv-Touw-GIpO-toW1-ZXCr-3uDKvR
--- Physical volume ---
PV Name /dev/sda10
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID x8L0nI-MgI8-XZ0B-cm9k-it7J-frxe-AdSMaw
--- Physical volume ---
PV Name /dev/sda13
VG Name DataVolumeGroup
PV Size 29.29 GiB / not usable 344.50 KiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7499
Free PE 0
Allocated PE 7499
PV UUID gqdPKd-1QhP-ya28-JmZ0-7hwU-00r1-swKu70
--- Physical volume ---
PV Name /dev/sda11
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID FqO1Ca-60X4-br4P-FS3Y-1egf-ICrF-4cXr7W
--- Physical volume ---
PV Name /dev/sda16
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID cjdNvq-pm29-B5jE-YU4S-dLAi-N7JJ-RpJKDw
--- Physical volume ---
PV Name /dev/sda12
VG Name DataVolumeGroup
PV Size 27.94 GiB / not usable 3.91 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 7151
Free PE 0
Allocated PE 7151
PV UUID WzWN75-mq6R-D25Y-Mz1n-883n-dsYT-wQrH1B
[me@arch ~]$ sudo lvdisplay
--- Logical volume ---
LV Name /dev/DataVolumeGroup/DataLogicalVolume
VG Name DataVolumeGroup
LV UUID e7MjVc-JeR8-8Pz2-tiFY-2vwP-dVwq-B4q85K
LV Write Access read/write
LV Status available
# open 1
LV Size 214.83 GiB
Current LE 54996
Segments 8
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:0
--- Logical volume ---
LV Name /dev/DataVolumeGroup/ProxyCache
VG Name DataVolumeGroup
LV UUID LvKsfw-EqZU-gRTh-oZes-nP5c-Iw5I-0jBDja
LV Write Access read/write
LV Status available
# open 2
LV Size 10.00 GiB
Current LE 2560
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 254:1
And a kvpm screenshot
So far, all partitions mount properly and the system works fine, but the bad output from fdisk and the new devices are unnerving. How can I fix this?
Thanks in advance.bump if i may... sorry ppl.
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I remember i have seen one doc describe how to add an virtual disk device in solaris system, but I forget it now, can somebody help me?
not sure what you are trying to achieve...
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Hello,
We have a 70GB LUN from one SAN disk array on a Solaris 10 server. This LUN has been configured into SVM using a single disk device and then carved up into soft partitions. We will need to migrate this LUN to a new disk array. Since SVM only sees this LUN as a disk slice and not as a metavolume, is there any way to mirror/replace the disk without disabling the applications that have been built on the soft partitions? In this case, we have several active Solaris Containers root file systems living on these soft partitions. Some metastat output to give you a better picture:
# metastat -c
d112 p 1.5GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d111 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d110 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d109 p 1.5GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d108 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d107 p 1.5GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d106 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d105 p 5.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d104 p 1.5GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d103 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d102 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
d101 p 3.0GB /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
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d101: Soft Partition
Device: /dev/dsk/c4t600507630EFE08ED0000000000000105d0s0
State: Okay
Size: 6291456 blocks (3.0 GB)
Device Start Block Dbase Reloc
/dev/dsk/c4t600507630EFE08ED0000000000000105d0s0 0 No Yes
Extent Start Block Block count
0 1 6291456
Device Relocation Information:
Device Reloc Device ID
/dev/dsk/c4t600507630EFE08ED0000000000000105d0 Yes id1,ssd@n600507630efe08ed0000000000000105
I looked at the manual for "metareplace" and the language indicates that it would only work with a metavolume and not directly with the disk device.
Thanks.Okay, there's two ways to use SPs and mirrors. The easist way in most cases is to create a large mirror, then carve the SPs out of it. But you really have to start off doing that. Trying to convert this layout to that would be annoying, assuming it's possible at all.
The other way is to take the SP, toss a concat/stripe on it, then use that as the submirror base. It's a bit more annoying because you have to create the SPs on the other disk in the same manner.
So you'd take a look at 'metastat -p' output. That shows the commands to recreate the current layout. Use the SP creation items, but run them on the second disk. This sets up a second set of SPs.
Then take all the SPs and put a concat/stripe on them. So for one of the existing SPs (like d101), you'd do like this;
metainit d151 1 1 d101
Do that for all the SPs (on both disks). Now you can create the one-way mirrors from the currently-used side. As an example:
metainit d201 -m d151
Now you've got the mirror. The problem is that the filesystem is still mounted from d101. You've got to unmount from d101 and mount d201 before you can sync the mirror to the other side (that's the only step that can't be done online). Once the side is no longer mounted, you can sync up.
metattach d201 d171 (or whatever you've named it).
Good luck.
Darren -
When I run my hardware diagnostics I'm getting failures - WDC-WD64-00AAKS-65A7B2 SATA DISK DEVICE,
HD535-5W, HD535-3W, HD535-2W.
Thanks!!!That means exactly what it's telling you, the hard drive has failed or is about to fail and needs replacement.
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Hi All,
Please let me know the naming convention of the disk device name (/dev/dsk/cXdY) recognized on OS of a guest domain.
I found from the document of Oracle that the value specified as the id option of ldm add-vdisk command went into Y of cXdY.
However, there is no telling by what kind of rule X portion of cXdY is decided.Hello
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vdisk
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Regards
Eze -
How do people generally go about listing local disk devices and the way they are used/configured?
It takes a lot of manual steps to get this info out of things like format(1M), df(1M) and now zpool(1M) not to mention Disksuite.
i've been in an environment which had a script to do this for 10 years now, rewrote that script myself, and every time something new comes up (adding support for ZFS, new HBAs now required in the X4150, ..) i can't help but think there has to be a better way!
So what do you all do?Well, my script doesn't help with the configuration process, it only tries to provide a view of what's on the system. Been thinking about releasing it, but i'd have to take some environment specific stuff out, and array/HBA support is limited to what i have access to (e.g. not much).
Here's a sample output so you can all see what i'm talking about:
c0t0d0 146.81GB (SEAGATE ST914602SSUN146G 0400) 17845 cylinders
c0t0d0s0 8.0GB 2090-3134 40% (d10: Submirror of d0) /
c0t0d0s1 16.0GB 1-2089 0% (d11: Submirror of d1) [swap]
c0t0d0s2 136.7GB 0-17844 [overlap]
c0t0d0s3 8.0GB 3135-4179 4% (d13: Submirror of d3) /var
c0t0d0s4 16.0GB 4180-6268 7% (d14: Submirror of d4) /z
c0t0d0s5 10.0GB 6269-7574 1% (d15: Submirror of d5) /export/root
c0t0d0s6 78.6GB 7575-17841 1% (d16: Submirror of d6) /cores
c0t0d0s7 23.5MB 17842-17844 [SDS replica]
c0t0d0s8 7.8MB 0-0 [boot]
c0t1d0 146.81GB (SEAGATE ST914602SSUN146G 0400) 17845 cylinders
c0t1d0s0 8.0GB 2090-3134 40% (d20: Submirror of d0) /
c0t1d0s1 16.0GB 1-2089 0% (d21: Submirror of d1) [swap]
c0t1d0s2 136.7GB 0-17844 [overlap]
c0t1d0s3 8.0GB 3135-4179 4% (d23: Submirror of d3) /var
c0t1d0s4 16.0GB 4180-6268 7% (d24: Submirror of d4) /z
c0t1d0s5 10.0GB 6269-7574 1% (d25: Submirror of d5) /export/root
c0t1d0s6 78.6GB 7575-17841 1% (d26: Submirror of d6) /cores
c0t1d0s7 23.5MB 17842-17844 [SDS replica]
c0t1d0s8 7.8MB 0-0 [boot]
c1t0d0 0.00GB (AMI Virtual CDROM 1.00)
c2t0d0 0.00GB (AMI Virtual Floppy 1.00)
c5t0d0 6501.40GB (JetStor Volume Set # 00 R001)
c5t0d0s0 5.9TB - 51% (raid1: ZFS disk) /export/raid1
c5t0d0s8 8.0MB - [reserved] -
Shared disk devices across zones/containers
Hi there,
To add a disk device to a zone i think that i can do this:
Add a device.
zonecfg:my-zone> add device
Set the device match, /dev/dsk/c1t0d0* in this procedure.
zonecfg:my-zone:device> set match=/dev/dsk/c1t0d0*
End the device specification.
zonecfg:my-zone:device> end
Could i then create another zone and add the same disk device?
I am thinking about installing 10g RAC across two zones for dev/training purposes.
Thanks
DermotDermot,
There is a special forum for Solaris 10 Zones.
If you launch this question there, David Comay might answer you.
... Eric
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