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тАО12-24-2007 08:53 AM
тАО12-24-2007 08:53 AM
One of my physcial (DL380G3) server (RHES4U4) its file system became "read-only" today, I could not do vi-wq and touch etc write comands. So, I reboot it. But the system stop at Non-System disk or disk error, details are as follows:
reboot the system via iLO interface, system try to "Attempting Boot From CD-ROM", "Attempting Boot From Hard Drive (c:)" , "Attempting Boot From NIC", Nothing happend. System detect MAC address and went to "Non-System disk or disk error, replace and strike any key when ready" error message. It didn't ran the GRUB kernel, PV VG detect.
I could go into the rescue mode, could connect the network. df -h, pvscan, vgscan, lvscan are all ok. Done the "fsck", but it still doesn't work.
How to fix this problem. If disk physical damage, I think I could not see the system in rescue mode.
Any answers will be very appreciate.
BTW:
For heal the crash system, could someone list some commands that could be used in rescue mode. You know, I only know: fsck, badblocks and backup the data.
Merry Christmas.
Solved! Go to Solution.
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тАО12-24-2007 09:43 AM
тАО12-24-2007 09:43 AM
SolutionHappy Holidays.
Your system disk is no longer bootable.
To fix that I have the following suggestions:
use grub in rescue mode to try and re-establish boot capabilities.
This procedure covers two disk mirroing but provides the basics.
1. boot redhat cd 1
2. enter "linux rescue" at isolinux prompt
3. no networking, mount drives
4. at shell prompt, type "grub"
5. find /grub/stage1
6. root (hd0,0)
7. setup (hd0)
8. root (hd1,0)
9. root (hd1)
10. klingon deathgrip
Otherwise back up data and configuration and reinstall the OS.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО12-24-2007 10:19 AM
тАО12-24-2007 10:19 AM
Re: RH server reboot stop at Non-System disk or disk error
#lvmdiskscan
#vgchange -ay
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тАО12-24-2007 10:51 AM
тАО12-24-2007 10:51 AM
Re: RH server reboot stop at Non-System disk or disk error
Thank you very much for your help and good suggestions.
I will follow your steps to rebulid the boot capability and confirm the LVM disks.
Merry Christmas everybody
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тАО12-24-2007 11:30 AM
тАО12-24-2007 11:30 AM
Re: RH server reboot stop at Non-System disk or disk error
I met some problems when I tried rebuild boot capacity according as your steps:
1. boot -- ok
2. linux rescue mode -- ok
3. no networking
chroot /mnt/sysimage
df -h -- ok, all the mount points were mounted, inlcude /
4. grub -- ok, GNU GRUB version 0.95
5. find /grub/stage1
(hd1,0)
6. root (hd0,0)
Error 5: Partition table invalid or corrupt
7. setup (hd0)
Error 12: Invalid device requested
8. root (hd1,0)
Filesystem type is ext2fs, partition type 0x83
setup (hd1)
Checking if "/boot/grub/stage1" exists ...no
Checking if "/grub/stage1" exists...yes
Checking if "/grub/stage2" exists...yes
Checking if "/grub/e2fs_stage1_5" exists...yes
Running "embed /grub/e2fs_stage1_5(hd1)"... 16 sectors are embedded successded
Running "install /grub/stage1 (hd1) (hd1)1+16 p (hd1,))/grub/stage2 /grub/grub.conf" ... succeeded
Done.
9. root(hd1)
Filesystem type unknown, using whole disk
10. klingon deathgrip ?
reboot the system, still the same error message, Non-System disk.. could not boot from HD.
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тАО12-24-2007 11:31 AM
тАО12-24-2007 11:31 AM
Re: RH server reboot stop at Non-System disk or disk error
In rescue mode, I ran the commands vgchange -a y and lvmdiskscan, all the LVM disk, VGs and LVs could be detected, include / root /dev/vg00/lvol00.
-Gary
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тАО12-24-2007 11:39 AM
тАО12-24-2007 11:39 AM
Re: RH server reboot stop at Non-System disk or disk error
If rebuild boot doesn't work.
I plan to reinstall the OS, question: which file(s) need be backup for system configuration backup, i mean, after I reinstall the OS, done the same partitions, LVMs, and upload backup data to each mount points; restore which files could let the new system totally the same as the old system. whole "/etc" direcotry?
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тАО12-24-2007 11:43 AM
тАО12-24-2007 11:43 AM
Re: RH server reboot stop at Non-System disk or disk error
I have tried upgarded the OS from RHES4 upudate 4 to update 6 (OS upgrade could save and protect disk original data), but it doesn't work
-Gary
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тАО12-24-2007 11:49 AM
тАО12-24-2007 11:49 AM
Re: RH server reboot stop at Non-System disk or disk error
I am not good at the restaging systems.. But you may keep a note of the below..
fstab_hostname_122107
group_hostname_122107
hosts_hostname_122107
exports_hostname_122107
passwd_hostname_122107
shadow_hostname_122107
mount_hostname_122107
df_hostname_122107
swapinfo_hostname_122107
scsi_hostname_122107
oracle_inst_hostname_122107
lspci_hostname_122107
lshw_short_hostname_122107
ifconfig_hostname_122107
fdisk_ERROR_hostname_122107
crontab_hostname_122107
rpm_hostname_122107
netstat_nr_hostname_122107
fdisk_hostname_122107
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тАО12-24-2007 11:56 AM
тАО12-24-2007 11:56 AM
Re: RH server reboot stop at Non-System disk or disk error
question:
what's the mean of fdisk_ERROR_hostname_122107?
# fdisk command? ERROR option? .... 122107 Date?
How to use your above list?
command + option + date?