On Jan 30, 2011, at 11:19 AM, Stuart Anderson wrote: > > On Jan 29, 2011, at 10:00 PM, Richard Elling wrote: > >> On Jan 29, 2011, at 5:48 PM, stuart anderson wrote: >> >>> Is there a simple way to query zfs send binary objects for basic >>> information such as: >>> >>> 1) What snapshot they represent? >>> 2) When they where created? >>> 3) Whether they are the result of an incremental send? >>> 4) What the the baseline snapshot was, if applicable? >>> 5) What ZFS version number they where made from? >>> 6) Anything else that would be useful to keep them around as backup binary >>> blobs >>> on an archival system, e.g., SAM-QFS? >> >> zstreamdump has a -v option which will show header information. The >> structure of >> that documentation is only shown in the source, though. > > Thanks for the pointer. This has most of the information I am looking for. Do > you know > how to get zstreamdump to display whether it is parsing an incremental dump, > and if so, > what snapshot it is relative to? > > Put another way, given 2 zfs send binary blobs, can I determine if they are > related > without trying to restore them to a ZFS filesystem?
Each incremental send stream has a "from" and a "to" Global Unique Identifier (GUID) for the snapshots. As send stream with many incremental snapshots will have many of these pairs. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
