I am seeing some confusing output from 'beadm list -a'. Basically, it is
telling me I have snapshots that are older than the parent filesystem.


[ac...@zurca]% beadm list -a osol-121
BE/Dataset/Snapshot                        Space   Policy Created
-------------------                        -----   ------ -------
osol-121
 rpool/ROOT/osol-121                     9.87G   static 2009-08-20 08:14
 rpool/ROOT/osol-...@2009-07-10-00:36:17 23.60M  static 2009-07-09 17:36
 rpool/ROOT/osol-...@2009-07-13-22:09:26 13.56M  static 2009-07-13 15:09
 rpool/ROOT/osol-...@2009-08-20-15:14:53 12.67M  static 2009-08-20 08:14
 rpool/ROOT/osol-...@install             199.93M static 2009-02-18 11:18
 rpool/ROOT/osol-...@pos-update          17.34M  static 2009-07-13 15:29
 rpool/ROOT/osol-...@pos_image-update    9.64M   static 2009-08-20 08:30
 rpool/ROOT/osol-...@testbe              9.01M   static 2009-08-14 10:54
 rpool/ROOT/osol-...@to_bfu              13.10M  static 2009-08-14 10:13

(I omitted columns Active and Mountpoint to fit the width.)

Only osol-...@pos_image-update was taken after the image-update (because
I did it manually). I recall taking the snapshots @pos-update,@testBE
and @to_bfu from BE osol-118. I also suspect that @install is the
snapshot taken by the installer at install time. However, they now show
up as a snapshot of osol-121.

zfs list shows similar results:


[ac...@zurca]% zfs list -r -t all rpool/ROOT/osol-121
NAME                                      USED  AVAIL  REFER  MOUNTPOINT
rpool/ROOT/osol-121                      9.87G   731G  6.31G  /tmp/tmptcsYUZ
rpool/ROOT/osol-...@install               200M      -  3.54G  -
rpool/ROOT/osol-...@2009-07-10-00:36:17  23.6M      -  5.38G  -
rpool/ROOT/osol-...@2009-07-13-22:09:26  13.6M      -  5.38G  -
rpool/ROOT/osol-...@pos-update           17.3M      -  5.39G  -
rpool/ROOT/osol-...@to_bfu               13.1M      -  5.55G  -
rpool/ROOT/osol-...@testbe               9.01M      -  5.55G  -
rpool/ROOT/osol-...@2009-08-20-15:14:53  12.7M      -  6.24G  -
rpool/ROOT/osol-...@pos_image-update     9.64M      -  6.30G  -

I wonder if it is approprate to silently image-update the snapshot. I
mean, I no longer have the snapshots I've taken from osol-118. Is this
supposed to work like this? I have not tried to promote any of these
snapshots to see what I get.

Thanks,

Antonello
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