On 10/31/10 2:54 AM, Eli Morris wrote: > I have a large XFS filesystem (60 TB) that is composed of 5 hardware > RAID 6 volumes. One of those volumes had several drives fail in a > very short time and we lost that volume. However, four of the volumes > seem OK. We are in a worse state because our backup unit failed a > week later when four drives simultaneously went offline. So we are in > a bad very state. I am able to mount the filesystem that consists of > the four remaining volumes. I was thinking about running xfs_repair > on the filesystem in hopes it would recover all the files that were > not on the bad volume, which are obviously gone. Since our backup is > gone, I'm very concerned about doing anything to lose the data that > will still have. I ran xfs_repair with the -n flag and I have a > lengthly file of things that program would do to our filesystem. I > don't have the expertise to decipher the output and figure out if > xfs_repair would fix the filesystem in a way that would retain our > remaining data or if it would, let's say t! One thing you could do is make an xfs_metadump image, xfs_mdrestore it to a sparse file, and then do a real xfs_repair run on that. You can then mount the repaired image and see what's there. So from a metadata perspective, you can do a real-live repair run on an image, and see what happens. -Eric _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
