On 08/13/2012 12:48 PM, Ray Arachelian wrote: > While attempting to fix the last of my damaged zpools, there's one that > consists of 4 drives + one 60G file. The file happened by accident - I > attempted to add a partition off an SSD drive but missed the cache > keyword. Of course, once this is done, there's no way to remove the new > unwanted member. I fixed this by creating a file with mkfile, and > adding the file as a mirror of the SSD partition, then removed the SSD > partition from the zpool and kept the file around. > > Over time something went wrong with this zpool and it hung the OS from > booting, so I removed it from the machine, but held on to it so I could > attempt to recover. > > I'm trying to recover it now, but when I try to import it without cache > and read only, it tells me a member is missing (the file of course). > But, how do I pass the file name as a member of the zpool to the import > command? > > Since it's only 60g, I suppose I could dd the file over to an external > USB drive. Would that work? Do I have to write it to slice 0, or a > whole volume (slice 2)? I'm guessing this might be the path of least > resistance... > > Or is there some hidden option to zpool import where you can pass it > file/device names that I'm no aware of? (Attempting to use zpool online > poolname /path/to/file doesn't work since the zpool isn't imported yet. > Catch 22 there.) :) > > Otherwise, I do have a backup of the /etc/zfs/zpool.cache that contains > references to this zpool, but it seems that this is corrupted and > prevents all zpool operations. I've tried to replace the zpool members, > but it won't let me. I've even used a hex editor to replace the device > names in the zpool.cache file with the new device names, but it's still > locked. So I can't use the zpool cache file as a way to point to the > file member. Is there some way to clear the "corrupted" flag in the > zpool.cache from allowing zpool commands to work? > > I'm on oi151a5, but this zpool was created around oi134/135 or so.
See the -d option to zpool import. -- Saso _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
