[CentOS] Centos 5.5, not booting latest kernel but older one instead

Gordon Messmer yinyang at eburg.com
Tue Aug 31 11:55:47 EDT 2010


On 08/31/2010 06:44 AM, fred smith wrote:
>
> there are only two drives in this mirrored array, sda and sdb. if I need
> to re-add them both (which, if I understand mdadm correctly, is what your
> suggestion above would do) how does it know which one is the correct one
> to re-sync the array with?

None of the commands I suggested mentioned sdb, so I'm not sure why 
you'd get that impression.

Your kernel logged that it was removing sda2 and sda1 from the array 
because they are not in sync (non-fresh).  /proc/mdstat indicates that 
sdb1 and sdb2 are components of arrays, but sda1 and sda2 are not.

Most importantly, the "mdmonitor" service should have emailed the root 
user to notify you that your arrays are broken.  You should find out why 
you aren't getting that email.


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