On 2013-Jan-27 14:31:56 -0000, Steven Hartland <kill...@multiplay.co.uk> wrote: >----- Original Message ----- >From: "Ulrich Spörlein" <u...@freebsd.org> >> I want to transplant my old zpool tank from a 1TB drive to a new 2TB >> drive, but *not* use dd(1) or any other cloning mechanism, as the pool >> was very full very often and is surely severely fragmented. > >Cant you just drop the disk in the original machine, set it as a mirror >then once the mirror process has completed break the mirror and remove >the 1TB disk.
That will replicate any fragmentation as well. "zfs send | zfs recv" is the only (current) way to defragment a ZFS pool. -- Peter Jeremy
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