RAID failure already!!!!!

James Pifer jep at obrien-pifer.com
Thu Nov 16 15:54:51 UTC 2006


On Thu, 2006-11-16 at 10:33 -0500, Tom Killian wrote:
> >      Number   Major   Minor   RaidDevice State
> >this     0       3       64        0      active sync   /dev/hdb
> >
> >  0     0       3       64        0      active sync   /dev/hdb
> >  1     1      22        0        1      active sync   /dev/hdc
> > 2     2       0        0        2      faulty removed
> >
> >Is there anyway to force it to try and reload the array even with the
> >failed device? I'm not getting drive errors on the device any longer. Is
> >the failed device the "dev/hdd" where I missed the leading "/"? Or, is
> >the failed device /dev/hdb?
> >
> >What else can I look at? What other commands should I run?
> 
> i think you need something like
> 
>       mdadm --assemble /dev/md0 /dev/hdb /dev/hdc
> 
> you should then be able to add the third device using "mdadm --manage"
>  (it's unclear if you need to "start" the array before doing this).
> 

Yeah, tried that. It tries for a few seconds, then I get:
[root at storage ~]# mdadm --assemble /dev/md0 /dev/hdb /dev/hdc
mdadm: /dev/md0 assembled from 1 drive - not enough to start the array.

If I cat /proc/mdstat
[root at storage ~]# cat /proc/mdstat
Personalities :
md0 : inactive hdc[1] hdb[0]
      312581632 blocks super non-persistent

unused devices: <none>

James




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