ZFS auto expand mirror
freebsd at jdc.parodius.com
Mon Sep 19 21:38:14 UTC 2011
On Mon, Sep 19, 2011 at 10:49:56AM -0700, Freddie Cash wrote:
> On Mon, Sep 19, 2011 at 10:08 AM, Ben Stuyts <ben at altesco.nl> wrote:
> > I want to expand an existing mirror by replacing the existing drives with
> > bigger ones. This is on:
> > FreeBSD xxx 7.3-STABLE FreeBSD 7.3-STABLE #2: Mon Sep 20 18:36:08 CEST 2010
> > root at xxx:/usr/obj/usr/src/sys/xxx amd64
> > # zpool status home
> > pool: home
> > state: ONLINE
> > scrub: scrub completed after 2h0m with 0 errors on Mon Sep 19 18:25:45
> > 2011
> > config:
> > NAME STATE READ WRITE CKSUM
> > home ONLINE 0 0 0
> > mirror ONLINE 0 0 0
> > ad5s1a ONLINE 0 0 0
> > ad7s1a ONLINE 0 0 0
> > Will this version of FreeBSD auto-expand to the new, bigger drive size once
> > they are both replaced? I did not see the autoexpand property in this pool.
> > zpool is v13, zfs is v3.
> No. You will need to reboot the system in order for the extra space to
> become usable in the pool. Or, if none of the OS is installed on the pool,
> you can export/import the pool to make the new space available.
Does this advice/fact apply to FreeBSD 7.3? To my knowledge it does
not. The ZFS version is too old.
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, US |
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