IIRC, that's about right. If you look at the zfs best practices wiki (genunix.org I think?), there should be some space calculations linked in there somewhere.
On Thu, Mar 19, 2009 at 6:50 PM, Harry Putnam <rea...@newsguy.com> wrote: > I'm finally getting close to the setup I wanted, after quite a bit of > experimentation and bugging these lists endlessly. > > So first, thanks for your tolerance and patience. > > My setup consists of 4 disks. One holds the OS (rpool) and 3 more all > the same model and brand, all 500gb. > > I've created a zpool in raidz1 configuration with: > > zpool create zbk raidz1 c3d0 c4d0 c4d1 > > No errors showed up and zpool status shows no problems with those > three: > pool: zbk > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > zbk ONLINE 0 0 0 > raidz1 ONLINE 0 0 0 > c3d0 ONLINE 0 0 0 > c4d0 ONLINE 0 0 0 > c4d1 ONLINE 0 0 0 > > > However, I appear to have lost an awfull lot of space... even above > what I expercted. > > df -h > [...] > zbk 913G 26K 913G 1% /zbk > > It appears something like 1 entire disk is gobbled up by raidz1. > > The same disks configured in zpool with no raidz1 shows 1.4tb with df. > > I was under the impression raidz1 would take something like 20%.. but > this is more like 33.33%. > > So, is this to be expected or is something wrong here? > > _______________________________________________ > 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