AW: Raid 1 woes

[Thomas Lamy <Thomas.Lamy@netwake.de>]

Craig wrote:
> 
> Hi guys
> 
> I am getting the following error message from cron
> 
> Does anyone know what steps I need to take to resync these 
> broken mirrors ?
> 
> And what the U stands for ?
> 
> [...]
> Personalities : [raid1]
> read_ahead 1024 sectors
> md2 : active raid1 ide/host0/bus0/target0/lun0/part4[0]
>       55552704 blocks [2/1] [U_]
> 
> md1 : active raid1 ide/host0/bus0/target0/lun0/part3[0]
>       1951808 blocks [2/1] [U_]
> 
> md0 : active raid1 ide/host0/bus0/target0/lun0/part2[1]
> ide/host0/bus0/target1/lun0/part2[0](F)
>       979840 blocks [2/1] [_U]
> 
U means "up", so this output says your second disk has failed
(ide/host0/bus0/target1/lun0/part2[0](F)).

Repair should start autmatically after next reboot (if the disk works).
Otherwise get another disk, same partitioning as the first disk, reboot and
the reconstruction should start.

Thomas