On Thu, Mar 17, 2011 at 1:31 PM, Ian Collins <i...@ianshome.com> wrote:
> My questions is about our 5 TB data pool: > >> >> * Is there any risk in upgrading zpool and zfs? >> >> > I'm not aware of any and I've done quite a lot of upgrades. > I can think of one: If you've done an OS upgrade, upgrading the zpool takes away your ability to roll back the upgrade, since the old OS won't be able to read the upgraded pool. Obviously this isn't so much of a concern in the case of a reinstall, but it does mean that if you find a bug in Solaris 11 you can't work around, you won't be able to easily go back. For that reason I tend to hang back on zpool upgrades until I'm sure the new system is stable. -- David Brodbeck System Administrator, Linguistics University of Washington
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