Oracle Linux VM setting time wrong on boot

I have a newly built Oracle Linux 5.7 vm running on OVM 3.0.3. Every time it boots the clock goes back 6 hours. I have the vm set up to use ntp which is successfully getting time from ntp pool servers. The OVM servers are configured to get their time from OVM manager.
I am in Eastern time which is 5 hours behind UTC so I don't think it is confusion between EST and UTC since the clock is losing 6 hours.
The OVM users guide advises to set "xen.independent_wallclock = 1" in /etc/sysctl.conf, but does not specify if this is done on the OVM servers or the guest vms. I have it set this way in both environments right now, but this behavior remains the same whether the setting is 0 or 1.
The Linux guest has been fully updated from ULN and has the oracle-validated packages installed.
The oracle-validated package updated the kernel boot parameters to include "clocksource=pit nohpet noptimer".
Any ideas?
Thx

I was confused, too, until I set BIOS clocks (RTC) on my 2 servers to UTC time and installed both servers with "Server uses UTC" option enabled and same timezone, during OVM setup.
Also make sure OVM manager has correct RTC, time zone, utc settings BEFORE starting up OVM servers, as this also might get you in trouble.
To ensure bios clock (RTC) is set corretly on OVM servers, do - after tweaking /dev/rtc ("ln -s /dev/rtc0 /dev/rtc" in 3.0.3) make sure you have correct system time on server and issue "hwclock --systohc".
When everything is fine (at the end) you should configure/check ntpd is running everywhere - check this link http://blogs.oracle.com/virtualization/entry/configuring_ntp_services_for_oracle.
If even after this you will experience trouble with domU times- configure nptd also in all domUs, but remember to first set in every domU independence of dom0 time - "echo 1 > /proc/sys/xen/independent_wallclock".
:j

Similar Messages

Oracle Linux 6.1 guest fails to boot on VM 3.0.2

Hi,
I've been using the templates to create vm guests successfully, so time to push the boundary again!
I've created a Linux 6.1 PVM guest and, after a little trial and error to get the install boot working, I managed to run through the Linux install process. I then changed the boot in VM Manger to remove the Network boot option and restarted the VM guest and it failed to start. I checked the ovs-agent.log on the server and it has this error message.
failed (1): Error: (2, 'Invalid kernel', "elf_xen_note_check: ERROR: Not a Xen-ELF image: No ELF notes or '__xen_guest' section found.")
I'm not sure if its relevant but the grub.conf file looks like this:
title Oracle VM Server-ovs (xen-4.0.0 2.6.32.21-38ovs)
root (hd0,0)
kernel /xen.gz dom0_mem=544M
module /vmlinuz-2.6.32.21-38xen ro root=UUID=32f4fe8e-cc96-43db-9125-4097ec18024d
module /initrd-2.6.32.21-38xen.img
title Oracle VM Server-ovs serial console (xen-4.0.0 2.6.32.21-38ovs)
root (hd0,0)
kernel /xen.gz console=com1,vga com1=57600,8n1 dom0_mem=544M
module /vmlinuz-2.6.32.21-38xen ro root=UUID=32f4fe8e-cc96-43db-9125-4097ec18024d console=tty0 console=ttyS0,57600n8
module /initrd-2.6.32.21-38xen.img
Has anyone got ideas why it is failing for me ?
Thanks

Mark C wrote:
I've created a Linux 6.1 PVM guest and, after a little trial and error to get the install boot working, I managed to run through the Linux install process. I then changed the boot in VM Manger to remove the Network boot option and restarted the VM guest and it failed to start. I checked the ovs-agent.log on the server and it has this error message.That's the grub.conf from your Oracle VM Server, not from your guest. If it's from your guest, you installed Oracle VM, not Oracle Linux 6.

How to set time in Dual-boot config with Windows 8.1

Hi,
I have been trying to workaround this problem i am having with Arch linux and Windows 8.1 time settings.
According to Installation guide on Wiki I set hardware clock to UTC and added my local time zone too.
But my Windows 8.1 uses hardware clock a local time and it is really confusing me.
I did tried to setup Windows 8.1 to use UTC (http://superuser.com/questions/494432/f … bios-clock)
but that settings is not working on my side (most Windows 8.1 users are also getting the same problem)
Please help.

I have two laptops which are dual booted arch and Windows 8.1. For both of those machines I set the Windows clock to be UTC instead of local using the method in https://wiki.archlinux.org/index.php/Ti … in_Windows (i.e. creating the .reg file and executing it - take care that the .reg file is created correctly with the .reg extension or it won't execute). I still allow Windows 8.1 to update its time from the network and it does not cause a problem, though the advice is to let Arch do the time synchronisation. (That may be because it is not yet summertime so I will also disable time sync in Windows before the change to summertime at the end of this month). I also followed the normal install advice for Arch and have the hardware clock in UTC, and have chrony set up to keep time in sync. Additionally I use KDE and have my normal timezone with DST adjustments for summertime. I have not had any problem with that way of working on either of my two machines.
I presume that if the Windows clock registry hack is done after the dual boot install it should not matter but I made that change before installing Arch.
Last edited by mcloaked (2014-03-21 10:46:04)

My Clock Keeps Setting Time Wrong

Hi there,
I have a 15" MacBook Pro from Dec 2011 which has a bit of a problem. Recently (within the last couple of months), the clock keeps setting itself ahead 3 hours. I have no idea why. I even unchecked it setting from the clock at apple, and took my city out. But almost every time that I log in, it sets itself ahead three hours, and sometimes a whole day and three hours forward.
I reset the SMC, as well as the PRAM. It still does it most of the time (sometimes it does get it right).
I have no idea what to do anymore. I've looked online and couldn't find any other recommendations, so I'm wondering if anyone else had some ideas.
Running Mavericks btw.
Thanks for any help or info.

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

How to compile Oracle Linux source?

I accidentally downloaded source DVD "Oracle Linux Release 5 Update 2 source - DVD" instead of installable ISO image. Is there anyway I can compile it to make bootable ISO image?
I tried to search this forum as well as other places but couldn't find any information hence thought of opening a thread before I proceed to download correct file which will again take 10+ hrs with my Internet speed :(
Any help is highly appreciated. Also I need to know which packages are required to be installed for compiling the source if at all that is possible. I am using Ubuntu 11.10 Desktop.
Thanks in advance for any help and hope to get a reply soon :) I need to urgently install Oracle 11gR2 on it.
Edited by: user6582219 on Apr 12, 2012 1:10 AM
While browsing the forum for any possible solution I came to a thread that discuss installation of a package oracle-rdbms-server-11gR2-preinstall. When searched through search engine I came to know about recent certification Oracle 11gR2 on Oracle Linux 6, here is the link https://blogs.oracle.com/linux/entry/announcing_oracle_database_11g_r2
https://blogs.oracle.com/linux/entry/announcing_oracle_database_11g_r2
Thing is I already have Oracle Linux 6 Update 2 (the latest) installed on my machine in dual boot mode so I dropped the idea of installing version 5.2. As per the documentation 11gR2 was not certified earlier on Linux 6.2 so I thought of installing 5.2 but it is not necessary now.
I would still appreciate if someone could answer my question just for knowing the procedure compiling source. May be it can help someone else trying to achieve this.
I have another couple of important questions and need guidance from the experts over here. I am not sure if it is appropriate to open a new thread but for now I am posting them here.
Before proceeding here are my environment details:
Machine: x86 32 bit with 2 GB RAM/250 GB HD.
OS: Kubuntu 11.10 Desktop and Oracle Linux 6 Update 2 in dual boot mode.
Here are my partition details for your reference but as I am planning to do the installation from the scratch following new ideal scheme you can jump to last paragraph following the line "*********************************" for my questions.
Unfortunately my partition plan went wrong and here is what I have now:
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x3d5ba9e1
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1002047 500000 83 Linux
/dev/sda2 151525080 361253654 104864287+ 7 HPFS/NTFS/exFAT
/dev/sda4 1003518 151001087 74998785 5 Extended
/dev/sda5 1003520 7002111 2999296 82 Linux swap / Solaris
/dev/sda6 7004160 11001855 1998848 83 Linux
/dev/sda7 11003904 51001343 19998720 83 Linux
/dev/sda8 51003392 110041087 29518848 83 Linux
Partition table entries are not in disk order
/dev/sda1 here is /tmp, /dev/sda2 is my data partition, I have separate /home / (root) partition for Kubuntu and remianing around 20 GB in extended partition is used for Oracle Linux 6.2 with default Oracle suggested LVM partition. I also have separate /boot for Kubuntu and I chose not to install grub while installing Oracle Linux. I later modified grub.cfg to add entries for Oracle Linux and now I can boot both OSs successfully.
My issue now is I cannot extend 20 GB space (in extended partition) that I have given to Oracle though I have around 40 GB space available. This is because I alreay have 4 primary partitions (one for /boot others for "data" and one extended partition). So I have to make primary partition out of free space and install Oracle in a single partition without following recommended partition layout scheme.
Now I want to do the installation of both the OS from the scratch and really need an advice on partition layout scheme. Here is summary of what I wan to achieve:
1. Keep the "data" partition (primary) intact and carve an ideal partition layout for both the OS with separate /boot, /tmp, /home, swap (and may be for /usr???). Also may be I can share swap?
2. How do I go about using LVM and is it recommended for this case? What would be ideal locations for each partitions and sizes? I already used 100 GB for "data" so now I want to keep 60 GB for Oracle Linux (and Oracle DB for which I will again make few sub-partitions) and remaining will be for Kubuntu.
Well, I am not sure if this is the right place to ask these questions but since I can see very knowlegeable top contributors here that are willing to help novice users I thought of posting these questions.
I would really really appreciate if someone can provide me rough draft of partition scheme in my case considering the sub-partitions needed for Oracle DB. I went thorugh number of forums and documentations to come up with solutuion and finally thought of getting help after much confusion.
I really need to carefully plan this time because it's third time I am doing reinstallation from the scratch because of poor plan I followed previously.
Thank you very much in advance and please let me know in case more information is needed from my side.
Regards,
Ramesh

I accidentally downloaded source DVD "Oracle Linux Release 5 Update 2 source - DVD" instead of installable ISO image. Is there anyway I can compile it to make bootable ISO image?Google will be your best friend for such a question, for instance, "Creating a Custom centos Linux bootable ISO Image". There is no need to duplicate the effort. I recommend you download the correct installation DVD, e.g. 5.8
Thing is I already have Oracle Linux 6 Update 2 (the latest) installed on my machine in dual boot mode so I dropped the idea of installing version 5.2. As per the documentation 11gR2 was not certified earlier on Linux 6.2 so I thought of installing 5.2 but it is not necessary now.So you don't need to install 5.2 anymore, but you want the information how to compile a installation DVD from the 5.2 source anyway?!
I have another couple of important questions and need guidance from the experts over here. I am not sure if it is appropriate to open a new thread but for now I am posting them here.Questions may be important for you, but not necessarily for others. No one will complain if you create a new thread for particular questions or subjects. It is better to separate your topics and questions rather than creating a multi-mega thread, which does little to help anyone else but you. It means more work on your end, but it will be easier for anyone to participate or answer your questions, and it will allow you to better award answers.
Regarding your partitioning questions: It is generally difficult to address such topics in a forum. You are asking for a book of information. My advice is to drop the old fashioned concepts of dual or triple boot options and install Oracle VirtualBox instead. It will make all of these questions obsolete and you can use whatever defaults when installing your virtual machine guest OS. Its a far more superior way of dealing with multiple operating systems on one and the same computer.
I am using Ubuntu 11.10 Desktop.
I need to urgently install Oracle 11gR2 on it.For what it's worth, if you can combine the two source below you should be able to install and run 11gR2 on Ubuntu 11.10.
Install Oracle 11gR2 on Ubuntu Linux 11.04 (64-bit) Howto
Install Oracle 11gR2 on Ubuntu Linux 11.04 (64-bit) Howto
Oracle 11gR2 Express Edition on Linux Ubuntu 11.10 howto
Oracle 11gR2 Express Edition on Linux Ubuntu 11.10 howto
However, check out VirtualBox.

Oracle Linux 6.0 64 bit instalation problem

Hi,
I downloaded Oracle Linux 6.0 64 bit from Oracle site. I unpacked it and burned it on dvd, but it can't boot so I can't install it. I could't do it even with virtual machine. I also put disk detection latency to 15 sec so I could give Linux enough time to boot, but it did't help. So any sugestion? :) I have core i7 2600 and Gigabyte UD4 P67 B3, bit I don't think it is a problem.
Thx
Edited by: MarcusO on 2011.03.30 00:15

This directory contains image files used during the Oracle Linux 6
installation process.
The boot.iso file that is sometimes found in the images directory has
been removed for space reasons. It is available as a separate download
from ULN. boot.iso is an ISO 9660 image of a bootable CD-ROM. It is useful
in cases where the CD-ROM installation method is not desired, but the
CD-ROM's boot speed would be an advantage.
To use this image file, burn the file onto CD-R (or CD-RW) media as you
normally would.
From Images folder, installation DVD.
Can anyone tell me what to do

Oracle Linux versioning

Hi Avi, i'm quiet confuse if the release and distributions:
uname -a on my server show me 2.6.32-200.13.1.el5uek, that mean that it's a Entreprise Linux 5 ?
what the diff betwenn OEL5, OEL6 EL5UEK, EL6UEK, i'm lost.
Oracle Linux kernel appear as UEK ?
I just go to edelivery and found theses download :
1) Oracle Linux Release 6 Update 4 for x86_64 (64 Bit)     V37084-01     3.5G
2) Oracle Linux Release 6 Update 4 Boot iso image for x86_64 (64 bit)     V37088-01     197M
3) Oracle Linux Release 6 Update 4 UEK Boot ISO image for x86_64 (64 bit)     V37090-01     196M
4) Oracle Linux Release 6 Update 4 source DVD 1     V37086-01     3.1G
5) Oracle Linux Release 6 Update 4 source DVD 2     V37087-01     1.9G
If I build a server with the 1) what will be the result of a uname -a ?
What the purpose of the number 2 and 3 ?
So many questions ....
Edited by: 952690 on 24 mai 2013 08:02

952690 wrote:
uname -a on my server show me 2.6.32-200.13.1.el5uek, that mean that it's a Entreprise Linux 5 ?Yes.
what the diff betwenn OEL5, OEL6 EL5UEK, EL6UEK, i'm lost.There is no OEL, just OL. :) Oracle Linux 5 (OL5) and Oracle Linux 6 (OL6) are completely different major versions of Oracle Linux. Each of those has two kernels, the Red Hat Compatible Kernel (RHCK) or the Unbreakable Enterprise Kernel (UEK).
Oracle Linux kernel appear as UEK ?Yes.
I just go to edelivery and found theses download :
1) Oracle Linux Release 6 Update 4 for x86_64 (64 Bit)     V37084-01     3.5GThis is the complete install DVD, which includes both the RHCK and UEK as well as most of the packages available for OL6.
2) Oracle Linux Release 6 Update 4 Boot iso image for x86_64 (64 bit)     V37088-01     197MThis is a small bootable image that uses the RHCK during install but only contains the installation program, but none of the packages. You need to have the contents of the ISO from (1) available somewhere on your network.
3) Oracle Linux Release 6 Update 4 UEK Boot ISO image for x86_64 (64 bit)     V37090-01     196MThis is a small bootable image that uses the UEK Release 2 kernel during install but only contains the installation program, but none of the packages. You need to have the contents of the ISO from (1) available somewhere on your network. This image also has btrfs support during installation, something that (1) and (2) do not.
If I build a server with the 1) what will be the result of a uname -a ?The default kernel is 2.6.39-400.17.1.el6uek, but it will also install the RHCK 2.6.32-358.el6.

Re: Oracle Linux versioning

Dear replier
can you please also give details for option 4 & 5
1) Oracle Linux Release 6 Update 4 for x86_64 (64 Bit)     V37084-01     3.5G
2) Oracle Linux Release 6 Update 4 Boot iso image for x86_64 (64 bit)     V37088-01     197M
3) Oracle Linux Release 6 Update 4 UEK Boot ISO image for x86_64 (64 bit)     V37090-01     196M
4) Oracle Linux Release 6 Update 4 source DVD 1     V37086-01     3.1G
5) Oracle Linux Release 6 Update 4 source DVD 2     V37087-01     1.9G
I see DVD1 & DVD2 thought this will be having the complete installation but after i download and write these ISO files to DVD's
DVD is not bootable.
which one to use for download and install.

Oracle Linux is licensed under GPL and requires that the source code is freely available. The source DVD's contain the source code packages and not the OS installation media. All you need to start up and install Oracle Linux on your computer from DVD in your example is number 1.

Could not find Wireless network configuration Oracle linux Enterprise

HEllo,
I was able to install oracle linux OS on my laptop and I was able to use internet thru wired network, but I tried to config the wireless network and I could not find any docs or online source to config wireless network on OLE machines.Belwo is the source that i used for installing the linux, he gave only one scrrenshot for network configuration where I see wireless tab also,but nothing is working when i configure wirless
http://www.oracle-base.com/articles/linux/oracle-linux-6-installation.php

iamsid wrote:
HEllo,
I was able to install oracle linux OS on my laptop and I was able to use internet thru wired network, but I tried to config the wireless network and I could not find any docs or online source to config wireless network on OLE machines.Belwo is the source that i used for installing the linux, he gave only one scrrenshot for network configuration where I see wireless tab also,but nothing is working when i configure wirless
http://www.oracle-base.com/articles/linux/oracle-linux-6-installation.php
Wrong forum. Your question has nothing to do with Oracle Database Installation. You might try the [url https://forums.oracle.com/forums/forum.jspa?forumID=822] Oracle Linux forum..
When you post there it will be helpful if you will provide some detail on what you actually did and and the result. So far all you've really said is "Here is a picture of a Ford. Why can't I get my Chevy to run?"

Can`t Reboot after Oracle Linux Rel.6 Installed

Previously the Desktop PC had WINDOWS 7 and Debian Linux installed with GRUB controlling the dual boot between Debian and Windows 7. It worked fine.. no problems. Decided to go with Oracle Linux as I will be installing some Oracle products on this PC.
Installed Oracle Linux over Debian. The Oracle Linux install completed successfully and requested a reboot. On reboot the process stops on the GRUB step showing...
GRUB Loading.
Welecome to GRUB!
error: file not found.
Entering rescue mode...
grub_rescue
Seems to be missing a file on the Linux side to initiate the dual boot sequence.
1. Does Oracle Linux have GRUB available for dual boots.
2. If not, then is there some tool available to control dual boots with Oracle Linux and Windows 7.

Reran the entire Oracle Linux install and ensured the boot loader was put in the Master Boot Record. I selected 'Change Device' to confirm the Master Boot Record option was highlighted.
Here are my partitions on disk 'sdb' :
Disk
Device Size (MB) Mount Point Type
sdb
sdb1 2000 / ext4
sdb2 8000 swap
sdb3 180780 ext3
Rebooted system when the Oracle Iinux install finished - successfully... but once again encountered the following:
GRUB Loading.
Welecome to GRUB!
error: no such device: 121d0490-81aa-4f10-a2fa-17ca257b27f4
Entering rescue mode...
grub_rescue
Followed your instructions to fix the problem, and at the shell prompt # entered these commands :
chroot /dev/sysimage
grup-install /dev/sdb
Message returned:
Installation finished. No errors encountered
This is the contents of the device map /boot/grub/device.map
# This device map was generated by anaconda
(hd0) /dev/sdb
Rebooted system... same GRUB error message was displayed.
What am I missing? Never had this problem with Debian !

Dual Boot Pre install Windows 7 with oracle linux on a dell laptop

I'm new in linux. want to install oracle linux on my dell aptop. it has existing windows 7. how can i install oracle linux without affecting win 7 files.
is oracle linux can be install on laptop.

My advice to you is, since you have established such a reputation on this board, on issues that you don't have any knowledge or don't feel comfortable about, please just keep quiet. I don't think your job is to answer every question that has been posted on this board. Recklessly, or worse, knowingly, providing a wrong answer is much worse than no answer at all. These are serious personal accusations. Are you trying to make some noise to create some visibility for yourself? Please don't steal any of my limelight! ;-)
Personally, I don't particularly appreciiate many of your responses to some of the questions that I posted. To me, your responses are rude, idiotic (and insults to my intelligence)!Sorry, I have no idea what makes you so upset. Are you just making this up? What questions and answers are you taking about?
Are you referring to this post: Ralink RT5390 Does Not Work on the UEK Kernel
May I quote/remind you of your own posting:
We installed OL6.3 and Ubuntu 12.04 on a new Asus X45A notebook. It has a Ralink RT5390 wireless card. With Ubuntu, both wifi and video work flawlessly. However, the wifi driver (from elrepo) does not work for the the uek kernel (2.6.39). While the wifi driver works when boot into the RHEL kernel (2.6.32), it created an "even bigger problem" in that the video starts at about 1/10 from the left edge of the screen.
But again, please no one be fooled by my overly optimistic and simplistic comments*. The reality is, I am glad OL6 desktop works at all.
* For example, I actually installed OL6 on 4 notebooks, one of them "does not work" because I couldn't dim the screen. I did not intend to lie, but subconsciously, I somewhat forgot that there was this failed case.
So what are you really trying to tell us/me here?
I think you have shot yourself in the foot here. I'm afraid the best I can offer to you is to remove my response if you remove your post.
User Profile for Ping-Wu
Handle:      Ping-Wu
Status Level:      Newbie
Registered:      Oct 8, 2012
Total Posts:      13
Total Questions:      2 (2 unresolved)
Name      Ping-Wu
Location      Hawaii Linux
Occupation      Attorney
You will never hear from me again...Too bad ;-)

Oracle Linux 6.6 w/ UEK3 boots to EL 2.6 kernel

I have just installed Oracle Linux 6.6 with the UEK3 kernel. Everything is up-to-date and the 3.8.13-68.el6uek.x86_64 kernel is set as the default boot kernel, but the machine always boots to 2.6.32-504.12.2.el6.x86_64, which is the specified crash kernel. I don't know why the 3.8 kernel is failing.
How can I debug this?
Thanks,
Kory

# cat /boot/grub/grub.conf
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Oracle Linux Server Unbreakable Enterprise Kernel (3.8.13-68.el6uek.x86_64)
        root (hd0,0)
        kernel /vmlinuz-3.8.13-68.el6uek.x86_64 ro root=/dev/mapper/vg_oracleapps-lv_root LANG=en_US.UTF-8 rd_NO_MD console=hvc0 KEYTABLE=us SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_NO_DM rd_LVM_LV=vg_oracleapps/lv_root rd_LUKS_UUID=luks-39dab2f9-e3cb-4bee-8947-dc050c04d251 rd_LVM_LV=vg_oracleapps/lv_swap rhgb quiet numa=off transparent_hugepage=never
        initrd /initramfs-3.8.13-68.el6uek.x86_64.img
title Oracle Linux Server Red Hat Compatible Kernel (2.6.32-504.12.2.el6.x86_64)
        root (hd0,0)
        kernel /vmlinuz-2.6.32-504.12.2.el6.x86_64 ro root=/dev/mapper/vg_oracleapps-lv_root LANG=en_US.UTF-8 rd_NO_MD console=hvc0 KEYTABLE=us    SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_NO_DM rd_LVM_LV=vg_oracleapps/lv_root rd_LUKS_UUID=luks-39dab2f9-e3cb-4bee-8947-dc050c04d251 rd_LVM_LV=vg_oracleapps/lv_swap rhgb quiet numa=off transparent_hugepage=never
        initrd /initramfs-2.6.32-504.12.2.el6.x86_64.img
title Oracle Linux Server Unbreakable Enterprise Kernel (3.8.13-44.1.1.el6uek.x86_64)
root (hd0,0)
kernel /vmlinuz-3.8.13-44.1.1.el6uek.x86_64 ro root=/dev/mapper/vg_oracleapps-lv_root LANG=en_US.UTF-8 rd_NO_MD console=hvc0 KEYTABLE=us SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_NO_DM rd_LVM_LV=vg_oracleapps/lv_root rd_LUKS_UUID=luks-39dab2f9-e3cb-4bee-8947-dc050c04d251 rd_LVM_LV=vg_oracleapps/lv_swap rhgb quiet numa=off transparent_hugepage=never
initrd /initramfs-3.8.13-44.1.1.el6uek.x86_64.img
title Oracle Linux Server Red Hat Compatible Kernel (2.6.32-504.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-504.el6.x86_64 ro root=/dev/mapper/vg_oracleapps-lv_root LANG=en_US.UTF-8 rd_NO_MD console=hvc0 KEYTABLE=us SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_NO_DM rd_LVM_LV=vg_oracleapps/lv_root rd_LUKS_UUID=luks-39dab2f9-e3cb-4bee-8947-dc050c04d251 rd_LVM_LV=vg_oracleapps/lv_swap rhgb quiet numa=off transparent_hugepage=never
initrd /initramfs-2.6.32-504.el6.x86_64.img

Oracle Linux virtual machines failing to boot

We have 2 oracle linux virtual machines on one host machine, both running Oracle Linux release 6 update 2 for X86_64. Both were built identically with oracle 11 installed on them. Both machines were working ok until this morning when the host machine rebooted. After the reboot, the virtual machines now hang during the boot process. The login prompt never comes up. The database does not start up on both machines. The machines are up enough that I could putty into them. In startup.log, the following is listed for the two machines. One is named demo, the other test.
SQL*Plus: Release 11.2.0.1.0 Production on Fri Oct 4 12:24:02 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
SQL> Connected to an idle instance.
SQL> ORACLE instance started.
Total System Global Area 438423552 bytes
Fixed Size            2214136 bytes
Variable Size          331351816 bytes
Database Buffers      100663296 bytes
Redo Buffers            4194304 bytes
Database mounted.
ORA-00313: open failed for members of log group 2 of thread 1
ORA-00312: online log 2 thread 1: '/u02/oradata/demo/redo02.log'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
/u01/app/oracle/dbhome_1/bin/dbstart: Database instance "demo" warm started.
SQL*Plus: Release 11.2.0.1.0 Production on Fri Oct 4 13:06:49 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
SQL> Connected to an idle instance.
SQL> ORACLE instance started.
Total System Global Area 438423552 bytes
Fixed Size            2214136 bytes
Variable Size          331351816 bytes
Database Buffers      100663296 bytes
Redo Buffers            4194304 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 3665
Session ID: 1 Serial number: 5
SQL> Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
/u01/app/oracle/dbhome_1/bin/dbstart: Database instance "test" warm started.
The demo machine is looking for a redo log file. The file does not exist. If that file ever existed, what would make that file disappear? The test machine does not have any redo log files either but the test one is not even looking for it.
What could have gone wrong with these?

user7222768 wrote:
We have 2 oracle linux virtual machines on one host machine, both running Oracle Linux release 6 update 2 for X86_64. Both were built identically with oracle 11 installed on them. Both machines were working ok until this morning when the host machine rebooted. After the reboot, the virtual machines now hang during the boot process. The login prompt never comes up. The database does not start up on both machines. The machines are up enough that I could putty into them. In startup.log, the following is listed for the two machines. One is named demo, the other test.
SQL*Plus: Release 11.2.0.1.0 Production on Fri Oct 4 12:24:02 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
SQL> Connected to an idle instance.
SQL> ORACLE instance started.
Total System Global Area 438423552 bytes
Fixed Size            2214136 bytes
Variable Size          331351816 bytes
Database Buffers      100663296 bytes
Redo Buffers            4194304 bytes
Database mounted.
ORA-00313: open failed for members of log group 2 of thread 1
ORA-00312: online log 2 thread 1: '/u02/oradata/demo/redo02.log'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
SQL> Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
/u01/app/oracle/dbhome_1/bin/dbstart: Database instance "demo" warm started.
SQL*Plus: Release 11.2.0.1.0 Production on Fri Oct 4 13:06:49 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
SQL> Connected to an idle instance.
SQL> ORACLE instance started.
Total System Global Area 438423552 bytes
Fixed Size            2214136 bytes
Variable Size          331351816 bytes
Database Buffers      100663296 bytes
Redo Buffers            4194304 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 3665
Session ID: 1 Serial number: 5
SQL> Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
/u01/app/oracle/dbhome_1/bin/dbstart: Database instance "test" warm started.
The demo machine is looking for a redo log file. The file does not exist. If that file ever existed, what would make that file disappear? The test machine does not have any redo log files either but the test one is not even looking for it.
What could have gone wrong with these?
Perhaps not all the file system mounted.
Does /u02/oradata/demo exist?
How about /u02/oradata
How about /u02

FAILED boot msgs during Oracle Linux Server (2.6.32-200.20.1.el6uek.i686)

While booting Oracle Linux Server (2.6.32-200.20.1.el6uek.i686), I'm getting the following FAILED messages.
Calling the system activity data collector (sadc):
Starting cgconfig service: Failed to parse /etc/cgconfig.conf [FAILED]
Starting trace-cmd: [FAILED]
Can you please help me how to fix these errors?

Perhaps your /etc/cgconfig.conf is screwed up or you have I/O issues due to inappropriate drivers or a bad hardware. Pls provide more info about your systems and whether this is a first time installation or worked before. In the later case, you can try to to boot into single user mode and check the file for anything unusual.

Oracle Linux 6 kernel panic boot !!!!

I'm running Oracle Linux 6.3 on a VMware machine which based on a HP Proliant BL620c G7 server.
I've installed IBM Websphere version 8.5 and IBM HTTP Server version 8.5.
After installing VMware tools for this machine, I was asked to reboot the server, but on start we got a kernel panic such as below:
Kernel panic - not syncing: Attempted to kill init!
Pid: 1, comm: init Not tainted 2.6.39-300.26.1.el6euk.x86-64 #1
Call Trace:
[<ffffffff81502a9b>] panic+0x91/0x1a8
[<ffffffff8105e4b2>] ? enqueue_entity+0x52/0x210
[<ffffffff8106e6cb>] forget_original_parent +0x32b/0x330
[<ffffffff8106e6cb>] ? sched_move_task+0x9d/0x150
[<ffffffff8106e6eb>] exit_notify+0x1b/0x190
[<ffffffff8106f7ee>] do_exit+0x1fe/0x430
[<ffffffff8106fa75>] do_group_exit+0x55/0xd0
[<ffffffff8106fb07>] sys_exit_group+0x17/0x20
[<ffffffff8150dc82>] system_call_fastpath+0x16/0x1b
Could anyone give me a pointer as to what is or even could be causing this? I'm completely stumped at this point
Thanks,

It looks like the system has trouble opening or finding the /boot volume. I don't think it is an incompatibility with your hardware. You might however want to make sure you installed a recent VMware version and have correct settings to support x64 guest OS. I'm not using VMware anymore, but under VirtualBox such issue can be due to missing I/O apic and VT-x support in the BIOS.

Oracle Linux VM setting time wrong on boot

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