[CentOS] CentOS 6.2 software raid 10 with LVM - Need help with degraded drive and only one MBR

Tru Huynh tru at centos.org
Fri Mar 2 15:38:12 EST 2012


On Fri, Mar 02, 2012 at 09:03:44AM -0500, Jonathan Vomacka wrote:
> CentOS Community,
> 
> I have a dedicated server with 4 hard drives in a RAID 10 software 
> configuration running LVM. My OS is CentOS 6.2. Earlier today, I 
> rebooted my system and my system did not come back online. I opened a 
> ticket with my datacenter who informed me that one of my hard drives is 
> no longer recognized by the bios and has failed. I was told that an OS 
> reinstall was needed.

how was your disks partitions? and how was the lvm setup?
was /boot made of a mdadm raid1 array?

there is a dracut issue on raid1 array (fixed by now, if you updated
to the latest dracut release and rebuild your initramfs):
http://bugs.centos.org/view.php?id=5400

Btw the anaconda installer does install grub on the MBR of both raid1 members.
No idea if it does so for lvm over raid10 array.

Tru

-- 
Tru Huynh (mirrors, CentOS i386/x86_64 Package Maintenance)
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B
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