On Feb 20, 2008, at 2:16 PM, Robert Milkowski wrote: > Hello eric, > > Tuesday, February 12, 2008, 7:33:14 PM, you wrote: > > ek> On Feb 1, 2008, at 7:17 AM, Nicolas Dorfsman wrote: > >>> Hi, >>> >>> I wrote an hobbit script around lunmap/hbamap commands to monitor >>> SAN health. >>> I'd like to add detail on what is being hosted by those luns. >>> >>> With svm metastat -p is helpful. >>> >>> With zfs, zpool status output is awful for script. >>> >>> Is there somewhere an utility to show zpool informations in a >>> scriptable format ? > > ek> What exactly do you want to display? > > ek> We have the '-H' option to 'zfs list' and 'zfs get' for parsing. > ek> Feel free to experiment with the code to make zpool otuput more > ek> scriptable: > ek> http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/ > ek> zpool/zpool_main.c > > > Eric - IIRC in early zfs days you could actually get zpool output > describing your pool (not zfs datasets but pool itself) in a way which > is easy to re-create it. > > If you have couple of dozen disks with some N-raidz2 config and you > just happen to buy another unit and lost your zpool create command but > still want to create it exactly the same as on previous one, zpool > output doesn't help you in current bits with it. > > Getting output where you just can do something like > > zpool create test `zpool status -S current` > > could bu useful (of course above command doesn't make sens but you get > the idea).
You can always retrieve the original 'zpool create' command via 'zpool history' as it is never overwritten. However, if you later on do a 'zpool add' that can potentially be overwritten (as the history is implemented as a ring buffer). eric _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
