11-12-2013
Upgrading Solaris - what happens to zpool/zfs versions
Hi everyone,
I'm hoping someone can help me out here. I've googled lots and don't think I can find an easy answer to this.
We're in the process of upgrading Solaris from v10 5/08 to v10 9/10. The zpools for luns are currently at version 10, and I understand Solaris v10 9/10 has support for zfs v4, zpool versions upto 22.
What i'm trying to find out is after upgrading via live upgrade and booting to the new Solaris 10 9/10 environment, will it attempt to upgrade all zpools automatically? I'm hoping not, as that would not allow me to roll back to the original environment (it wouldn't be able to import a zpool at a revision higher than one it can support).
Logic tells me that it shouldn't, but could anyone please confirm?
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