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servel2011 02-08-2011 11:16 AM

Raid 1 rebuild problem
 
I have an IBM Xeon XSeries, with RAID 1
and 2 HDs SAS
, with RedHat enterprise

I got problem with 1 disk (yellow alert in the disk)

I took off the problematic disk,
Booted the Cpu with just 1 disk (good disk)

Controller - POST OK
Controler says "found just 1 HD" - correct


No boot

I work a long time with Linux Admin, but I am a beginner in RAID 1 troubleshooting

Please advise me.

mostlyharmless 02-08-2011 03:14 PM

Doesn't RHEL have official tech support, hence the "Enterprise"? Well, whatever, on a software RAID1 one of the disks is the boot disk, the other, the mirror. Apparently, your primary disk was the removed disk. Go into the BIOS and switch the boot order and you should be back in business.

davinders 02-09-2011 01:07 AM

I hope it was the hardware raid not software so RHEL will not bother about it....Just check the BOIS settings.

servel2011 02-19-2011 06:48 AM

Solution found
 
Solution:

-boot with Live CD
-mount the Harddisk
details in:

http://www.howtoforge.com/recover_da...lvm_partitions

http://aplawrence.com/Linux/rebuildraid.html

http://under-linux.org/f89/problema-...-linux-145352/


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