jmc-freebsd2 at milibyte.co.uk
Mon Apr 11 08:19:09 UTC 2016
On Mon, 11 Apr 2016 08:19:20 +0100
Matthew Seaman <matthew at FreeBSD.org> wrote:
> Yes, this should work fine, but you'll need to be careful that you don't
> accidentally overwrite the wrong drive from the installer. Depending on
> the details of your hardware it's entirely possible that the new drives
> you add for ZFS could end up as ada0, ada1, ... with your previous
> drives as ada4 and ada5. Taking out the original ada1 while doing the
> initial install would be a simple way of avoiding that. ZFS should
> continue to work just fine as you shuffle the disks around.
But. before making the change, it would be advisable to change over to
using disk labels rather than /dev/ada* in /etc/fstab for the UFS
filesystems. This would avoid any problems if the drives come back up
with different device names.
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