What does "HAMMER UPGRADE" flag means during hammer cleanup

[Pierre Abbat]

On Wednesday 13 October 2010 20:11:28 Siju George wrote:
> On Tue, Oct 5, 2010 at 10:22 AM, Matthew Dillon
>
> <dillon at apollo.backplane.com> wrote:
> >the old pfses does not show the  "HAMMER UPGRADE" flag
> >
> >    It says that when it needs to create snapshot meta-data for
> >    hammer v4.  I'm not sure why it decided it needed to do that if
> >    the filesystem was already v4 (and assuming the hammer utility
> >    wasn't an old copy either).  It is a one-time process when it
> >    does happen.
>
> It happens when you run
>
> $hammer cleanup
>
> if there was no snapshots taken earlier. I mean a new install :-)

Hmm. I got a message telling me to run cleanup when I upgraded. Perhaps, since 
the newly installed filesystem had no snapshots, it had no snapshot metadata?

Pierre
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