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Re: [zfs-discuss] pkg image-update to snv 121 -> shouldn't ZFS version b

Subject: Re: [zfs-discuss] pkg image-update to snv 121 -> shouldn't ZFS version be upgraded on /rpool
From: Peter Dennis - Sustaining Engineer
Date: Tue, 01 Sep 2009 12:46:09 +0100

Per Öberg wrote:
When I check --
# pfexec zpool status rpool
  pool: rpool
 state: ONLINE
status: The pool is formatted using an older on-disk format.  The pool can
        still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
        pool will no longer be accessible on older software versions.
 scrub: none requested

        NAME        STATE     READ WRITE CKSUM
        rpool       ONLINE       0     0     0
          c8t0d0s0  ONLINE       0     0     0

errors: No known data errors
Shouldn't the image-update take care of that ?

No. The 'issue' here is that if you find that the new boot environment
does not work for you for whatever reason you will need to revert to
the previous environment. However if  you have upgraded the pool
then this will not be possible as the older version of the software
will have no knowledge about the new version.

And is it safe to do an upgrade ?

As long as you are happy with the new environment.


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