Re: Btrfs partition lost after RAID1 mirror disk failure?

2012-01-06 Thread C Anthony Risinger
On Wed, Jan 4, 2012 at 2:30 PM, Dan Garton wrote: > > Assuming that this is the case, do I stand a chance of retrieving that > volume and accessing that data again? > Or does "destructive" imply total loss? (In which case, I'll cut my > losses) unfortunately i really don't know enough to advi

Btrfs partition lost after RAID1 mirror disk failure?

2012-01-04 Thread Dan Garton
Hi, thanks for the reply. Yes, I agree, after going back over the commands, those ones you highlighted seem very suspicious These commands were executed weeks ago amid a fair amount of confusion. But yes, I think that you are right - from memory the FS became inaccessible at about the time yo

Re: Btrfs partition lost after RAID1 mirror disk failure?

2012-01-03 Thread C Anthony Risinger
On Tue, Jan 3, 2012 at 8:44 AM, Dan Garton wrote: > > [...] >  1327  btrfs-vol -a >  1328  btrfs-vol -a /nuvat >  1329  btrfs-vol -a asdasd /nuvat >  1330  btrfs-vol -a missing /nuvat >  1331  btrfs-vol -a /dev/sdc /nuvat >  1332  btrfs-vol -a /dev/sdb /nuvat >  1334  btrfs-vol -a missing /nuvat

Btrfs partition lost after RAID1 mirror disk failure?

2012-01-03 Thread Dan Garton
Hi, I'm running Ubuntu with kernel 2.6.38 on a fileserver system. One of the disks in a RAID1 configuration failed (/dev/sdc), and since then I haven't been able to access the btrfs filesystem on the remaining disk (/dev/sdb). root@midnite:~/src/btrfs-progs-unstable# ./btrfsck /dev/sdb No valid