* Re: Question on DDF degraded array
[not found] <CAC9WiBjRic8x3ech59pEEFSojtXM=6DX7kHECLW3xZYXg2kugA@mail.gmail.com>
@ 2013-09-20 18:16 ` Martin Wilck
2013-09-20 18:18 ` Martin Wilck
1 sibling, 0 replies; 2+ messages in thread
From: Martin Wilck @ 2013-09-20 18:16 UTC (permalink / raw)
To: Francis Moreau, linux-raid
On 09/19/2013 06:05 PM, Francis Moreau wrote:
> Hello Martin,
>
> My system is using RAID1 DDF with 2 disks.
>
> I tried to boot my system with only disk and it worked. After that I
> powered off the system put back the second disk en booted again.
>
> As expected the array is degraded:
>
> # cat /proc/mdstat
> Personalities : [raid1]
> md126 : active raid1 sdb[0]
> 2064384 blocks super external:/md127/0 [2/1] [_U]
>
> md127 : inactive sdb[0](S)
> 32768 blocks super external:ddf
>
> Now I'm trying to add back the disk in the array which shoud trigger a
> synchro but I can't:
>
> # mdadm /dev/md127 --add /dev/sda
> mdadm: added /dev/sda
>
> # cat /proc/mdstat
> Personalities : [raid1]
> md126 : active raid1 sdb[0]
> 2064384 blocks super external:/md127/0 [2/1] [_U]
>
> md127 : inactive sda[1](S) sdb[0](S)
> 65536 blocks super external:ddf
>
> the second disk is in the container but not used by the array. I'm not
> sure what '(S)' means above.
>
> Could you tell me what should be done to add back the second disk into
> the array and trigger the sycnhro ?
Is mdmon running?
Could you compile mdadm and mdmon with CXFLAGS="-DDEBUG=1 -g" and
capture the debug output of mdadm and mdmon?
Martin
>
> Thanks
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Question on DDF degraded array
[not found] <CAC9WiBjRic8x3ech59pEEFSojtXM=6DX7kHECLW3xZYXg2kugA@mail.gmail.com>
2013-09-20 18:16 ` Question on DDF degraded array Martin Wilck
@ 2013-09-20 18:18 ` Martin Wilck
1 sibling, 0 replies; 2+ messages in thread
From: Martin Wilck @ 2013-09-20 18:18 UTC (permalink / raw)
To: Francis Moreau, linux-raid
On 09/19/2013 06:05 PM, Francis Moreau wrote:
> Hello Martin,
>
> My system is using RAID1 DDF with 2 disks.
>
> I tried to boot my system with only disk and it worked. After that I
> powered off the system put back the second disk en booted again.
>
> As expected the array is degraded:
>
> # cat /proc/mdstat
> Personalities : [raid1]
> md126 : active raid1 sdb[0]
> 2064384 blocks super external:/md127/0 [2/1] [_U]
>
> md127 : inactive sdb[0](S)
> 32768 blocks super external:ddf
>
> Now I'm trying to add back the disk in the array which shoud trigger a
> synchro but I can't:
>
> # mdadm /dev/md127 --add /dev/sda
> mdadm: added /dev/sda
>
> # cat /proc/mdstat
> Personalities : [raid1]
> md126 : active raid1 sdb[0]
> 2064384 blocks super external:/md127/0 [2/1] [_U]
>
> md127 : inactive sda[1](S) sdb[0](S)
> 65536 blocks super external:ddf
>
> the second disk is in the container but not used by the array. I'm not
> sure what '(S)' means above.
>
> Could you tell me what should be done to add back the second disk into
> the array and trigger the sycnhro ?
Is mdmon running?
Could you compile mdadm and mdmon with CXFLAGS="-DDEBUG=1 -g" and
capture the debug output of mdadm and mdmon?
Martin
>
> Thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-09-20 18:16 ` Question on DDF degraded array Martin Wilck
2013-09-20 18:18 ` Martin Wilck
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