Nicolas Dorfsman wrote:
Hi,

        I'm currently doing some tests on a SF15K domain with Solaris 10 
installed.
        The target is to convince my cu to use Solaris 10 for this domain AND 
establish a list of recommendations.

        The ZFS perimeter is really an issue for me.
        For now, I'm waiting for fresh informations from the backup software 
vendor about ZFS support.  No ZFS-acl support could be annoying.

        Regarding "system partitions" (/var, /opt, all mirrored + alternate 
disk), what would be YOUR recommendations ?  ZFS or not ?

/var for now must be UFS since Solaris 10 doesn't not have ZFS root support and that means /, /etc/, /var/, /usr. I've run systems with /opt as a ZFS filesystem and it works just fine. However note that the Solaris installed puts stuff in /opt (for backwards compat reasons, ideally it wouldn't) and that may cause issues with live upgrade or require you to move that stuff onto your ZFS /opt datasets.

--
Darren J Moffat
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