I should add I have 477 snapshots across all files systems. Most of them are hourly snaps (225 of them anyway).
On Sep 29, 2010, at 3:16 PM, Scott Meilicke wrote: > This must be resliver day :) > > I just had a drive failure. The hot spare kicked in, and access to the pool > over NFS was effectively zero for about 45 minutes. Currently the pool is > still reslivering, but for some reason I can access the file system now. > > Resliver speed has been beaten to death I know, but is there a way to avoid > this? For example, is more enterprisy hardware less susceptible to reslivers? > This box is used for development VMs, but there is no way I would consider > this for production with this kind of performance hit during a resliver. > > My hardware: > Dell 2950 > 16G ram > 16 disk SAS chassis > LSI 3801 (I think) SAS card (1068e chip) > Intel x25-e SLOG off of the internal PERC 5/i RAID controller > Seagate 750G disks (7200.11) > > I am running Nexenta CE 3.0.3 (SunOS rawhide 5.11 NexentaOS_134f i86pc i386 > i86pc Solaris) > > pool: data01 > state: DEGRADED > status: One or more devices is currently being resilvered. The pool will > continue to function, possibly in a degraded state. > action: Wait for the resilver to complete. > scan: resilver in progress since Wed Sep 29 14:03:52 2010 > 1.12T scanned out of 5.00T at 311M/s, 3h37m to go > 82.0G resilvered, 22.42% done > config: > > NAME STATE READ WRITE CKSUM > data01 DEGRADED 0 0 0 > raidz2-0 ONLINE 0 0 0 > c1t8d0 ONLINE 0 0 0 > c1t9d0 ONLINE 0 0 0 > c1t10d0 ONLINE 0 0 0 > c1t11d0 ONLINE 0 0 0 > c1t12d0 ONLINE 0 0 0 > c1t13d0 ONLINE 0 0 0 > c1t14d0 ONLINE 0 0 0 > raidz2-1 DEGRADED 0 0 0 > c1t22d0 ONLINE 0 0 0 > c1t15d0 ONLINE 0 0 0 > c1t16d0 ONLINE 0 0 0 > c1t17d0 ONLINE 0 0 0 > c1t23d0 ONLINE 0 0 0 > spare-5 REMOVED 0 0 0 > c1t20d0 REMOVED 0 0 0 > c8t18d0 ONLINE 0 0 0 (resilvering) > c1t21d0 ONLINE 0 0 0 > logs > c0t1d0 ONLINE 0 0 0 > spares > c8t18d0 INUSE currently in use > > errors: No known data errors > > Thanks for any insights. > > -Scott > -- > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Scott Meilicke _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
