> - on a sun cluster, luns are seen on both nodes. Can
> we prevent mistakes like creating a pool on already
> assigned luns ? for example, veritas wants a "force"
> flag. With ZFS i can do :
> node1: zpool create X add lun1 lun2
> node2 : zpool create Y add lun1 lun2
> and then, results are unexpected, but pool X will
> never switch again ;-) resource and zone are dead.

For our iSCSI SAN, we use iSNS to put LUNs into separate
discovery domains (default + domain per host). So as part
of creating or expanding a pool we first move LUNs to the
appropriate host's domain. Create would fail on node2 because
it wouldn't have visibility to the luns. Would that address your issue?
 
 
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