zpool upgrade - is it safe?

Rolf Nielsen listreader at lazlarlyricon.com
Tue Jan 12 17:10:52 UTC 2010

Hi all,

I just upgraded to a more recent version of 8.0-STABLE, and I noticed 
during boot that zfs had changed from version 13 to version 14. Is it 
safe to run zpool upgrade -a on a system while in multiuser, or will I 
have to take some security measures, such as creating a complete backup 
and/or booting into singleuser?

Rolf Nielsen

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