I Just did an upgrade from zfs 7 to zfs 10 and it took less then a minute.
The RAIDZ2 I did is 9.5 TB. (I wasn't really timing it, but it is a
relatively fast operation.)
Andrew Hettinger
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[EMAIL PROTECTED] wrote on 07/28/2008 07:28:49 AM:
> I am trying to find any statistics on the amount of time doing a
> upgrade from one version of ZFS to another. I recently updated my
> system and my zpool is showing that I need to upgrade it. I have a
> large pool, around 3 TB divided into 3 - 1 TB LUNS in a zraid
> configuration. I want to do the upgrade, but I don't know how long
> that procedure would take, and if it will take a while I want to be
> able to schedule the down-time.
> Most of the documentation that I've read doesn't give any
> statistics whatsoever, which leads me to believe that either the
> procedure is relatively quick or people just haven't kept track of it.
> Any information would be appreciated. Thanks!
>
>
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