[OmniOS-discuss] incomplete recursive snapshots

[Dan McDonald]

Only recently fixed snapshot bug I could find was Illumos 5150 http://www.illumos.org/issues/5150

Also, could you share the precise warnings?  It'll help finding who's doing the complaining.

Dan

Sent from my iPhone (typos, autocorrect, and all)

> On Mar 13, 2015, at 3:25 AM, Tobias Oetiker <tobi at oetiker.ch> wrote:
> 
> I got a bunch of new disks on one of our systems and wanted to
> transfer an existing pool over to them so what I did was this:
> 
>    zfs snapshot -r old-pool at replicaton
>    zfs send -R old-pool at replication | mbuffer -m 1G  | zfs receive -F -d  new-pool
> 
> but then halfway through the operation, I got warnings from send,
> that old-pool/some/fileset at replication would not exist ...
> 
> when I went to investigate, I found indeed that zfs snapshot -r had
> neglected to create a snapshot on old-pool/some/fileset. So I
> ran
> 
>    zfs list -r -o name old-pool | xargs -n1 perl -e 'system "zfs","list",$ARGV[0].q{@replication}'
> 
> and found that there were about 10% of the filesets which were
> lacking this snapshot ...
> 
> I then proceeded to create the missing snapshot individually, and
> it worked fine.
> 
> I have since repeated the experiment and found the same problem
> again ...
> 
> any idea how this can be ?
> 
> cheers
> tobi
> 
> 
> -- 
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> www.oetiker.ch tobi at oetiker.ch +41 62 775 9902
> 
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