kristof wrote: > Last 2 weeks we had 2 zpools corrupted. > > Pool was visible via zpool import, but could not be imported anymore. During > import attempt we got I/O error, >
What exactly was the error message? Also look at the fma messages, as they are often more precise. -- richard > After a first powercut we lost our jumpstart/nfsroot zpool (another pool was > still OK). Luckaly jumpstart data was backed up and easely restored, nfsroot > Filesystems where not but those where just test machines. We thought the > metadata corruption was caused because of the zfs no cache flush setting we > had configured in /etc/system (for perfomance reason) in combination with a > non battery backuppped NVRAM cache (areca raid controller). > > zpool was raidz with 10 local sata disks (JBOD mode) > > > 2 days ago we had another powercut in our test labo :-( > > And again one pool was lost. This system was not configured with zfs no cache > flush. On the pool we had +/- 40 zvols used by running vm's (iscsi > boot/swap/data disks for xen & virtual box guests) > > The first failure was on a b68 system, the second on a b77 system. > > Last zpool was using iscsi disks: > > setup: > > pool > mirror: > iscsidisk1 san1 > iscsidisk1 san2 > mirror: > iscsidisk2 san1 > iscsidisk2 san2 > > I thought zfs was always persistent on disk, but apparently a power cut has > can cause unrecoverable damage. > > I can accept the first failure (because of the dangerous setting), but > loosing that second pool was unacceptable for me. > > Since no fsck alike utility is available for zfs I was wondering if there are > any plans to create something like meta data repair tools? > > Using ZFS now for almost 1 year I was a big Fan, In one year I lost not 1 > zpool till last week. > > At this time I'm concidering to say ZFS is not yet production ready > > any comment welcome... > > krdoor > > > This message posted from opensolaris.org > _______________________________________________ > 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
