On 28/12/2010 23:56, Freek van Hemert wrote: > I have a question regarding zfs on freebsd. > (I'm making a home server) > This afternoon I did a "zpool create data mirror ad4 ad6" Now I'm copying > things from my ufs2 disk into the 2TB zpool, it is very slow. I'm on freebsd > 8.1 amd64 on an atom n330 with 2 sata disks, gstat tells me I'm going at > around 2 mbps at near 100 %busy while the ufs2 drives are near 0. Also, > ufs2 to ufs2 was much faster (I estimate about 10 times faster). How do I > tune? The wiki is not helpful for amd64 users stating that the defaults > should be optimal. I'm using the 8.1-stable version which has just been > installed this afternoon from a minimal install iso.
Upgrade to one of the 8.2 release candidates or to a recent RELENG_8 /
stable/8 -- there has been serious work done on ZFS since 8.1-RELEASE
including the import of ZFS v15, and it is a lot more performant.
Or wait a few weeks and then upgrade to 8.2-RELEASE.
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
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