Michael McKnight wrote: > Hi everyone, > > I have a serious problem and need some assistance. I was doing a rolling > upgrade of a raidz1, replacing 320GB drives with 1.5TB drives (ie. zpool > replace). I had replaced three of the drives and they had resilvered without > errors and then I started on the fourth one. It went downhill from there... > while the fourth disk was resilvering, one of the others started throwing > errors... lots and lots of them... to the point that the system is unusable. > > So, what I have are the four original 320GB drives that I would like to bring > back online (on another server). The pool was unmounted when I was replacing > the old units with the new ones, so the data should have been static and I > would expect to be able to bring the pool online on another server. > > The problem I am running into is that the pool seems to be remembering the > 1.5TB drive names/locations/etc. So, instead of using the new controller > locations in the new system, the pool is insisting on looking for the old > devices. For example: > > In the new system, the drives are c5d0 c5d1 c6d0 c6d1 -- in the old system, > the drives were c2d0s0 c3d0s0 c4d0s0 c5d0s0. > > I have tried everything I can come up with to get the pool to import, but it > just wont do it. I need to know how to get zpool to simply import them as I > specify the new devices. When I try it, it complains that the pool doesn't > exist... that's because it wont let me import it! I'm stuck and I need help. > > I have tried import -f, import -d, import -f -d ... nothing works. > > I have a lot of data on those drives that I couldn't back up because I don't > have a backup system big enough to handle it all. I'd really like to salvage > that data if at all possible. I was trusting ZFS to handle it and until now, > it did an excellent job! > > It seems pretty simple... shouldn't each drive be labeled as part of a pool? > When I do a zdb -l, I see the labels and pool identifiers, but I also see the > old device names hard-coded into the label. How can I get zpool to simply > see that all four drives are members of the same pool and build new device > locations? >
If you were doing a rolling upgrade, I suspect the old disks are all horribly out of sync with each other? If that is the problem, then if the filesystem(s) have a snapshot that existed when all the old disks were still online, I wonder if it might be possible to roll them back to it by hand, so it looks like the current live filesystem? I don't know if this is possible with zdb. -- Andrew _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
