On Sat, Nov 10, 2012 at 9:48 AM, Jan Owoc <jso...@gmail.com> wrote: > On Sat, Nov 10, 2012 at 8:14 AM, Trond Michelsen <tron...@gmail.com> > wrote: > > When I try to replace the old drive, I get this error: > > > > # zpool replace tank c4t5000C5002AA2F8D6d0 c4t5000C5004DE863F2d0 > > cannot replace c4t5000C5002AA2F8D6d0 with c4t5000C5004DE863F2d0: > > devices have different sector alignment > > > > > > How can I replace the drive without migrating all the data to a > > different pool? It is possible, I hope? > > I had the same problem. I tried copying the partition layout and some > other stuff but without success. I ended up having to recreate the > pool and now have a non-mirrored root fs. > > If anyone has figured out how to mirror drives after getting the > message about sector alignment, please let the list know :-). > > Jan >
Not happening with anything that exists today. The only way this would be possible is with bp_rewrite which would allow you to evacuate a vdev (whether it be for a situation like this, or just to shrink a pool). What you're trying to do is write a block for block copy to a disk that's made up of a different block structure. Not happening. *insert everyone saying they want bp_rewrite and the guys who have the skills to do so saying their enterprise customers have other needs* --Tim
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