On Sat, 28 Jan 2012 14:28:41 +1100 Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx> wrote: > 1, This allows creating a SBC device without any backing store. I.e. no media loaded yet. > It automatially forces such devices to be removable==1 and online==0 (no media loaded) > > 2, Add a new option to SMC so that you can force a storage elemet slot to become Empty. > > 3, Now, This is the funky stuff this has all been leading up to: > Add documentation/script to create a SBC jukebox. > This jukebox (when used ontop of BTRFS) can take snapshots of a different file > (a file used to be exported as a normal SBC LUN thought a different target) > that file can be snapshotted regularely via a cronjob. > All x most recent snbapshots are then exported via a dedicated snapshot-target when an > initiator can attach, pich which nsnapshot it wants to use (using MTX) and then access > the content of the snapshot. > > i.e. > You export a SBC LUN to an initiator. > Then you use this snapshot script to create regular snapshots of that SBC device. > These snapshots are then exported with a mediachanger through a different target to different initiators. > Those other initiators can now access these point in time snapshots of the production LUN. Shapshots are exported in read-only mode, right? Anyway, the feature sounds really cool. You should talk about it at a conference or post an article at a popular web site :) Merged, thanks a lot! -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
