[BlueOnyx:09293] Re: 1 server working and one to go on Mirroring

[Christoph Schneeberger]

Franklin S Werren wrote:
> Hi
>
> I got the one server to mirror ok, Thanks for the Help, but I still have one
> not mirroring.... The following I get from the server
>
> <------------
> Your system is configured for disk mirroring (RAID 1) using 2 disks.
>
> The system has paused when resynchronizing the information on the disks. Please wait a few minutes for synchronization to resume. If
> synchronization does not resume, please refer to http://BlueOnyx.it/ for assistance.
>
> ------------------>
>
> cat /proc/mdstat
> Personalities : [raid1]
> md0 : active raid1 sda1[0]
>       256896 blocks [2/1] [U_]
>      
> md1 : active raid1 sda2[0]
>       976502912 blocks [2/1] [U_]
>      
>
> I suspect the command line that fixed the other server
> was not crafted right for this server.
>
>
> mdadm /dev/md0 -a /dev/sdb1
> mdadm: cannot find /dev/sdb1: No such file or directory
>
> mdadm /dev/md1 -a /dev/sdb2
> mdadm: cannot find /dev/sdb2: No such file or directory
>
>
> Ideas???
>
>   
Your /dev/sdb is ev. gone. Check with
cat /proc/partitions
if your second disk for the raid is still seen by the system and also
what it is named (maybe sdc1/2), adapt mdadm commands accordingly if
necessary.
Also a
dmesg | grep sd | more
might give additional clues.

Hth & happy new year,
Christoph