On Wed, Jun 1, 2011 at 2:34 PM, Freddie Cash <fjwc...@gmail.com> wrote:
> On Wed, Jun 1, 2011 at 12:45 PM, Eric Sproul <espr...@omniti.com> wrote:
>
>> On Wed, Jun 1, 2011 at 2:54 PM, Matt Harrison
>> <iwasinnamuk...@genestate.com> wrote:
>> > Hi list,
>> >
>> > I've got a pool thats got a single raidz1 vdev. I've just some more
>> disks in
>> > and I want to replace that raidz1 with a three-way mirror. I was
>> thinking
>> > I'd just make a new pool and copy everything across, but then of course
>> I've
>> > got to deal with the name change.
>> >
>> > Basically, what is the most efficient way to migrate the pool to a
>> > completely different vdev?
>>
>> Since you can't mix vdev types in a single pool
>
>
> Side note: you most certainly can mix vdevs in a pool. It's not
> recommended, nor even suggested, but it's most certainly possible. You just
> have to add -f to the "zpool add" command.
>
> I use this at home, where my pool has a 3-disk raidz1 vdev (SATA1) and a
> 2-disk mirror vdev (IDE). I can't connect to my home machine right now, so
> can't post the "zpool status" output. But if you want to see it in action,
> I'll post when I get home.
>
> [fcash@rogue /home/fcash]$ zpool status pool
pool: pool
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
pool ONLINE 0 0 0
raidz1 ONLINE 0 0 0
ad8 ONLINE 0 0 0
ad10 ONLINE 0 0 0
ad9 ONLINE 0 0 0
mirror ONLINE 0 0 0
ad4 ONLINE 0 0 0
ad6 ONLINE 0 0 0
cache
label/cache ONLINE 0 0 0
errors: No known data errors
[fcash@rogue /home/fcash]$ zpool get version pool
NAME PROPERTY VALUE SOURCE
pool version 14 default
[fcash@rogue /home/fcash]$ zfs get version pool
NAME PROPERTY VALUE SOURCE
pool version 3 -
[fcash@rogue /home/fcash]$ uname -a
FreeBSD rogue.ashesofthe.net 8.1-RELEASE FreeBSD 8.1-RELEASE #0 r211388: Sun
Aug 22 15:18:36 PDT 2010
r...@rogue.ashesofthe.net:/usr/obj/usr/src-8/sys/ROGUE
i386
--
Freddie Cash
fjwc...@gmail.com
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