[zfs-discuss] Shuffling disks around a 2 x mirror pool
gordan.bobic at gmail.com
Mon Sep 2 06:07:06 EDT 2013
I had a very similar problem recently, where replacing a disk with the same
sector count by only specifying the raw block device didn't work, and the
partition table being created was different. Re-creating the same
partitions as on the existing disks allowed me to replace a disk by
directly referencing the partition. I think there was a bug/feature that
causes this introduced at some point.
On Mon, Sep 2, 2013 at 10:37 AM, Niels de Carpentier
<zfs at decarpentier.com>wrote:
> > I don't get it?. I ALWAYS use full disks, howcome now I have to use a
> > partition?
> If you use a full disk, zfs will still create a partition table, with
> partitions 1 and 9. partition 9 is a small 8MB partition for padding, to
> handle slight changes in disk size in case of replacement.
> If you look at your other disks, you will see have a partition table as
> I guess the replace with /dev/sdb would have worked if you removed the
> partition table first. (So zfs would create the partition table used for
> full disks). This might be considered a bug, I guess the best thing would
> be for zfs to show a clear error message if you try use a full disk with
> an existing partition table.
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