On 1-Dec-08, at 10:05 PM, Glaser, David wrote: > Hi all, > > > > I have a Thumper (ok, actually 3) with each having one large pool, > multiple filesystems and many snapshots. They are holding rsync > copies of multiple clients, being synced every night (using > snapshots to keep ‘incremental’ backups). > > > > I’m wondering how often (if ever) I should do scrubs of the pools, > or if the internal zfs integrity is enough that I don’t need to do > manual scrubs of the pool? >
Yes you should. Passive integrity is not all; proactively reading the pool improves your MTTDL substantially, see other sources for the actual figures. :) It does not need to be very frequent. I do it monthly on my colo server. --Toby > I read through a number of tutorials online as well as the zfs wiki > entry, but I didn’t see anything very pertinent. Scrubs are I/O > intensive, but is the Pool able to be used normally during a scrub? > I think the answer is yes, but some confirmation helps me sleep at > night. > > > > Thoughts? Ideas? Knife-fights? > > > > Thanks > > Dave > > > > David Glaser > > Systems Administrator Senior > > LSA Information Technology > > University of Michigan > > _______________________________________________ > 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
