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On 07 June, 2008 - Fu Leow sent me these 2,0K bytes:
> Hi,
>
> I had a plan to set up a zfs pool with different raid levels but I ran
> into an issue based on some testing I've done in a VM. I have 3x 750
> GB hard drives and 2x 320 GB hard drives available, and I want to set
> up a RAIDZ for the 750 GB and mirror for the 320 GB and add it all to
> the same pool.
>
> # zpool detach mypool c1t4d0
> # zpool status
> pool: mypool
> state: ONLINE
> scrub: none requested
> config:
>
> NAME STATE READ WRITE CKSUM
> mypool ONLINE 0 0 0
> raidz1 ONLINE 0 0 0
> c1t1d0 ONLINE 0 0 0
> c1t2d0 ONLINE 0 0 0
> c1t3d0 ONLINE 0 0 0
> c1t5d0 ONLINE 0 0 0
>
> c1t5d0 was part of a mirror but with c1t4d0 removed it now appears as
> a single drive. Is there a way to recover from this by recreating the
> mirror with c1t4d0?
zpool attach mypool c1t5d0 c1t4d0
> I've also heard that you can upgrade disks in a raidz one at a time to
> a higher capacity but I can't detach or remove any of the disks in the
> raidz. I'm guessing that is because there's no spare drive and the
> only way to do it is to remove the drive physically and stick a new
> one in. It would be degraded and a zfs replace could be done. Is that
> right?
zpool replace mypool c1t1d0 c1t6d0 should work..
.. or just yank a drive out and put a different one in, and then run
zpool scrub mypool
repeat for t1..t3
/Tomas
--
Tomas Ögren, stric@xxxxxxxxxx, http://www.acc.umu.se/~stric/
|- Student at Computing Science, University of Umeå
`- Sysadmin at {cs,acc}.umu.se
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