On 09/01/2011 05:50, Randy Bush wrote: > given i have raid or raidz1, can i move to raidz2? > > # zpool status > pool: tank > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > raidz1 ONLINE 0 0 0 > ad4s2 ONLINE 0 0 0 > ad8s2 ONLINE 0 0 0 > ad6s1 ONLINE 0 0 0 > ad10s1 ONLINE 0 0 0 > > or > > # zpool status > pool: tank > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/disk01 ONLINE 0 0 0 > label/disk00 ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/disk02 ONLINE 0 0 0 > label/disk03 ONLINE 0 0 0
Not without backing up your current data, destroying the existing
zpool(s) and rebuilding from scratch.
Note: raidz2 on 4 disks doesn't really win you anything over 2 x mirror
pairs of disks, and the RAID10 mirror is going to be rather more performant.
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
JID: matt...@infracaninophile.co.uk Kent, CT11 9PW
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