Chris,
You can replace the disks one at a time with larger disks. No problem.
You can also add another raidz vdev, but you can't add disks to an
existing raidz vdev.
See the sample output below. This might not solve all your problems,
but should give you some ideas...
Cindy
# zpool create rpool raidz disk01-320 disk02-320 disk03-320 disk04-320 \
disk05-320 disk06-320
# zpool status rpool
pool: rpool
state: ONLINE
scrub: resilver completed with 0 errors on Wed Mar 5 14:36:53 2008
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
raidz1 ONLINE 0 0 0
disk01-320 ONLINE 0 0 0
disk02-320 ONLINE 0 0 0
disk03-320 ONLINE 0 0 0
disk04-320 ONLINE 0 0 0
disk05-320 ONLINE 0 0 0
disk06-320 ONLINE 0 0 0
# zpool replace rpool disk01-320 disk01-1TB
and so on until each disk0*-320 is replaced with disk0*-1TB
# zpool add rpool raidz disk07-1TB disk08-1TB disk09-1TB disk10-1TB \
disk11-1TB disk12-1TB
# zpool status rpool
pool: rpool
state: ONLINE
scrub: resilver completed with 0 errors on Wed Mar 5 14:38:53 2008
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
raidz1 ONLINE 0 0 0
disk01-1TB ONLINE 0 0 0
disk02-1TB ONLINE 0 0 0
disk03-1TB ONLINE 0 0 0
disk04-1TB ONLINE 0 0 0
disk05-1TB ONLINE 0 0 0
disk06-1TB ONLINE 0 0 0
raidz1 ONLINE 0 0 0
disk07-1TB ONLINE 0 0 0
disk08-1TB ONLINE 0 0 0
disk09-1TB ONLINE 0 0 0
disk10-1TB ONLINE 0 0 0
disk11-1TB ONLINE 0 0 0
disk12-1TB ONLINE 0 0 0
Chris Gilligan wrote:
> ok maybe i should rewrite my question in a better way.
>
> My data is mostly made up of things i can afford to lose but would very much
> not like to lose if a disk dies if at all possible. Due to this i have used
> a raid5 array in the past. The issue i have had with this is a need to
> replace all 10 disks at once to increase my storage in the raid and borrow
> another raid card so i can connect all 20 disks at once while i move the data.
>
> What i would like to be able to do is slowly grow my capacity by replacing
> 320gb disks with 1tb disks one at a time and sometimes adding in extra disks
> to the system as i can support up to 12 disks. Does anyone have any ideas on
> the best way to do this with minimum space loss?
>
> This just home based storage so i am trying to do everything on the cheap. I
> thought raidz may have been the answer but that does not seem to be the case.
>
> CHris
>
>
> This message posted from opensolaris.org
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