I found the problem. The power was unplugged from the drive. The
sata power connectors aren't very good at securing the connector. I
reattached the power connector to the sata drive and booted up. This
is what it looks like now:
root@recoil:/home/illsci# mdadm --detail /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Mon Jul 30 21:47:14 2007
Raid Level : raid1
Array Size : 1951744 (1906.32 MiB 1998.59 MB)
Device Size : 1951744 (1906.32 MiB 1998.59 MB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Wed Dec 19 13:48:12 2007
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 157f716c:0e7aebca:c20741f6:bb6099c9
Events : 0.44
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 0 0 1 removed
root@recoil:/home/illsci# mdadm --detail /dev/md1
/dev/md1:
Version : 00.90.03
Creation Time : Mon Jul 30 21:47:47 2007
Raid Level : raid1
Array Size : 974808064 (929.65 GiB 998.20 GB)
Device Size : 974808064 (929.65 GiB 998.20 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Wed Dec 19 13:50:02 2007
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 156a030e:9a6f8eb3:9b0c439e:d718e744
Events : 0.1498340
Number Major Minor RaidDevice State
0 0 0 0 removed
1 8 18 1 active sync /dev/sdb2
How do I put it back into the correct state?
Thanks!
Jonathan
On Dec 19, 2007 1:23 PM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
>
>
>
> On Wed, 19 Dec 2007, Jon Sabo wrote:
>
> > So I was trying to copy over some Indiana Jones wav files and it
> > wasn't going my way. I noticed that my software raid device showed:
> >
> > /dev/md1 on / type ext3 (rw,errors=remount-ro)
> >
> > Is this saying that it was remounted, read only because it found a
> > problem with the md1 meta device? That's what it looks like it's
> > saying but I can still write to /.
> >
> > mdadm --detail showed:
> >
> > root@recoil:/home/illsci# mdadm --detail /dev/md0
> > /dev/md0:
> > Version : 00.90.03
> > Creation Time : Mon Jul 30 21:47:14 2007
> > Raid Level : raid1
> > Array Size : 1951744 ( 1906.32 MiB 1998.59 MB)
> > Device Size : 1951744 (1906.32 MiB 1998.59 MB)
> > Raid Devices : 2
> > Total Devices : 1
> > Preferred Minor : 0
> > Persistence : Superblock is persistent
> >
> > Update Time : Wed Dec 19 12:59:56 2007
> > State : clean, degraded
> > Active Devices : 1
> > Working Devices : 1
> > Failed Devices : 0
> > Spare Devices : 0
> >
> > UUID : 157f716c:0e7aebca:c20741f6
> > :bb6099c9
> > Events : 0.28
> >
> > Number Major Minor RaidDevice State
> > 0 8 1 0 active sync /dev/sda1
> > 1 0 0 1 removed
> >
> > root@recoil:/home/illsci# mdadm --detail /dev/md1
> > /dev/md1:
> > Version : 00.90.03
> > Creation Time : Mon Jul 30 21:47:47 2007
> > Raid Level : raid1
> > Array Size : 974808064 (929.65 GiB 998.20 GB)
> > Device Size : 974808064 (929.65 GiB 998.20 GB)
> > Raid Devices : 2
> > Total Devices : 1
> > Preferred Minor : 1
> > Persistence : Superblock is persistent
> >
> > Update Time : Wed Dec 19 13:14:53 2007
> > State : clean, degraded
> > Active Devices : 1
> > Working Devices : 1
> > Failed Devices : 0
> > Spare Devices : 0
> >
> > UUID : 156a030e:9a6f8eb3:9b0c439e:d718e744
> > Events : 0.1990
> >
> > Number Major Minor RaidDevice State
> > 0 8 2 0 active sync /dev/sda2
> > 1 0 0 1 removed
> >
> >
> > I have two 1 terabyte sata drives in this box. From what I was
> > reading wouldn't it show an F for the failed drive? I thought I would
> > see that /dev/sdb1 and /dev/sdb2 were failed and it would show an F.
> > What is this saying and how do you know that its /dev/sdb and not some
> > other drive? It shows removed and that the state is clean, degraded.
> > Is that something you can recover from with out returning this disk
> > and putting in a new one to add to the raid1 array?
>
> mdadm /dev/md1 -a /dev/sdb2 to re-add it back into the array
>
> What does cat /proc/mdstat show?
>
> I would also show us: smartctl -a /dev/sdb
>
> Justin.
>
>
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