On 5/8/15 11:29 AM, Clug wrote: > On Fri, 8 May 2015, Linda Kateley wrote: > >>> 1. Add new drive (/dev/sdj) >>> 2. zpool offline media >> Offline is used for a disk not a whole pool > > Oh, ok. Wouldn't it be a good idea to take the whole pool down? I'm > going to shut down everything that uses that data, for sure. This another one of those great features of zfs (and why i love it sooo much) you don't have to take it down.. you can add disks and do admin live!!! > >> Yea, it depends on how much data it needs to read to rebuild. If it's >> empty probably a couple seconds, if it is a 11+1 full 4TB drives >> maybe several days.. > > The pool is made of two 3+1 3TB raidz1, and it's like 60% full. I > don't know what is where but when that one disk was not functioning > correctly I was seeing a LOT of errors. A scrub of that pool takes at > least 60 hours, even if I manage to not access it at all (yes, the > better part of a week). This thing was DEFINITELY not built for speed, > it was built for reliability (and space) (: Yea, I don't think zol has delay code. The freebsd has delay code so that during scrub or resilver, it puts a delay in between ios and keeps the pool up and at almost full speed. Makes those admin tasks longer but it is nice > > -- > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list -- Linda Kateley Kateley Company Skype ID-kateleyco http://kateleyco.com