Is the pool mounted? I ran into this problem frequently, until I set mountpoint to legacy. It may be that I had to destroy the filesystem afterwards, but since I stopped mounting the backup target everything runs smoothly. Nevertheless I agree it would be nice to find the root cause for this.
-- Arne Edward Ned Harvey wrote: > This is the problem: > > [r...@nasbackup backup-scripts]# zfs destroy > storagepool/nas-lyricp...@nasbackup-2010-05-14-15-56-30 > > cannot destroy > 'storagepool/nas-lyricp...@nasbackup-2010-05-14-15-56-30': dataset > already exists > > > > This is apparently a common problem. It's happened to me twice already, > and the third time now. Each time it happens, it's on the "backup" > server, so fortunately, I have total freedom to do whatever I want, > including destroy the pool. > > > > The previous two times, I googled around, basically only found "destroy > the pool" as a solution, and I destroyed the pool. > > > > This time, I would like to dedicate a little bit of time and resource to > finding the cause of the problem, so hopefully this can be fixed for > future users, including myself. This time I also found "apply updates > and repeat your attempt to destroy the snapshot" ... So I applied > updates, and repeated. But no improvement. The OS was sol 10u6, but > now it’s fully updated. Problem persists. > > > > I’ve also tried exporting and importing the pool. > > > > Somebody on the Internet suspected the problem is somehow aftermath of > killing a "zfs send" or receive. This is distinctly possible, as I’m > sure that’s happened on my systems. But there is currently no send or > receive being killed ... Any such occurrence is long since past, and > even beyond reboots and such. > > > > I do not use clones. There are no clones of this snapshot anywhere, and > there never have been. > > > > I do have other snapshots, which were incrementally received based on > this one. But that shouldn't matter, right? > > > > I have not yet called support, although we do have a support contract. > > > > Any suggestions? > > > > FYI: > > > > [r...@nasbackup backup-scripts]# zfs list > > NAME USED > AVAIL REFER MOUNTPOINT > > rpool > 19.3G 126G 34K /rpool > > rpool/ROOT > 16.3G 126G 21K legacy > > rpool/ROOT/nasbackup_slash > 16.3G 126G 16.3G / > > rpool/dump 1.00G > 126G 1.00G - > > rpool/swap > 2.00G 127G 1.08G - > > storagepool 1.28T > 4.06T 34.4K /storage > > storagepool/nas-lyricpool 1.27T > 4.06T 1.13T /storage/nas-lyricpool > > storagepool/nas-lyricp...@nasbackup-2010-05-14-15-56-30 > 94.1G - 1.07T - > > storagepool/nas-lyricp...@daily-2010-06-01-00-00-00 > 0 - 1.13T - > > storagepool/nas-rpool-ROOT-nas_slash 8.65G > 4.06T 8.65G /storage/nas-rpool-ROOT-nas_slash > > storagepool/nas-rpool-root-nas_sl...@daily-2010-06-01-00-00-00 > 0 - 8.65G - > > zfs-external1 > 1.13T 670G 24K /zfs-external1 > > zfs-external1/nas-lyricpool > 1.12T 670G 1.12T /zfs-external1/nas-lyricpool > > zfs-external1/nas-lyricp...@daily-2010-06-01-00-00-00 > 0 - 1.12T - > > zfs-external1/nas-rpool-ROOT-nas_slash > 8.60G 670G 8.60G /zfs-external1/nas-rpool-ROOT-nas_slash > > zfs-external1/nas-rpool-root-nas_sl...@daily-2010-06-01-00-00-00 > 0 - 8.60G - > > > > And > > > > [r...@nasbackup ~]# zfs get origin > > NAME > PROPERTY VALUE SOURCE > > rpool > origin - - > > rpool/ROOT > origin - - > > rpool/ROOT/nasbackup_slash > origin - - > > rpool/dump > origin - - > > rpool/swap > origin - - > > storagepool > origin - - > > storagepool/nas-lyricpool > origin - - > > storagepool/nas-lyricp...@nasbackup-2010-05-14-15-56-30 > origin - - > > storagepool/nas-lyricp...@daily-2010-06-01-00-00-00 > origin - - > > storagepool/nas-lyricp...@daily-2010-06-02-00-00-00 > origin - - > > storagepool/nas-rpool-ROOT-nas_slash > origin - - > > storagepool/nas-rpool-root-nas_sl...@daily-2010-06-01-00-00-00 > origin - - > > storagepool/nas-rpool-root-nas_sl...@daily-2010-06-02-00-00-00 > origin - - > > zfs-external1 > origin - - > > zfs-external1/nas-lyricpool > origin - - > > zfs-external1/nas-lyricp...@daily-2010-06-01-00-00-00 > origin - - > > zfs-external1/nas-rpool-ROOT-nas_slash > origin - - > > zfs-external1/nas-rpool-root-nas_sl...@daily-2010-06-01-00-00-00 > origin - - > > > ------------------------------------------------------------------------ > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss