RE: [zfs-discuss] Re: ZFS and HDS ShadowImage

2006-09-19 Thread Ellis, Mike
Hey Tony... When (properly) doing Array-based snapshots/BCVs with EMC/Hitachi/what-have you arrays, you create "lun groups" out of the luns you're interested in snappin'. You then perform snapshot/clone operations on that "lun group" which will make it atomic across all members of that group. Wh

Re: [zfs-discuss] Re: ZFS and HDS ShadowImage

2006-09-19 Thread Eric Schrock
On Tue, Sep 19, 2006 at 10:52:52AM -0700, Anton B. Rang wrote: > > I don?t see how this can be the case for a pool backed by multiple > LUNs. Take the simple striped case, with two LUNs, 0 and 1. If I take > a snapshot of LUN 0 on Monday, and a snapshot of LUN 1 on Tuesday, > those two snapshots