Oops -- I transposed 1 and 2 in the last sentence.  Corrected version,
and hopefully a bit easier to read:

# zpool replace mypool olddisk newdisk

This will do all the intermediate steps you'd expect: attach newdisk
as a mirror of olddisk, resilver, detach olddisk, and grow the pool
to reflect the larger size of newdisk.

Jeff

On Wed, Feb 27, 2008 at 05:04:02PM -0800, Jeff Bonwick wrote:
> Yes.  Just say this:
> 
> # zpool replace mypool disk1 disk2
> 
> This will do all the intermediate steps you'd expect: attach disk2
> as a mirror of disk1, resilver, detach disk2, and grow the pool
> to reflect the larger size of disk1.
> 
> Jeff
> 
> On Wed, Feb 27, 2008 at 04:48:59PM -0800, Bill Shannon wrote:
> > I've just started using zfs.  I copied data from a ufs filesystem on
> > disk 1 to a zfs pool/filesystem on disk 2.  Can I add disk 1 as a mirror
> > for disk 2, and then remove disk 2 from the mirror, and end up with all
> > the data back on disk 1 in zfs (after some amount of time, of course)?
> > If disk 1 is larger than disk 2, will the larger amount of space be
> > available after I remove the disk 2 mirror?
> > 
> > (Disk 2 is a full disk, but disk 1 is actually just a partition of a
> > disk.  I assume that doesn't make any difference.)
> > 
> > Thanks.
> > _______________________________________________
> > zfs-discuss mailing list
> > zfs-discuss@opensolaris.org
> > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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