PFS mirror problems

[Tim Darby]

This might be related to the bug I reported:

http://bugs.dragonflybsd.org/issues/2915

Tim

On Wed, Aug 24, 2016 at 6:23 AM, Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
wrote:

> BTW what I mean by unmounting is unmounting hammer, but not PFS (if
> you've null mounted them somewhere or your dfly installer has done
> it).
>
> 2016-08-24 22:14 GMT+09:00 Tomohiro Kusumi <kusumi.tomohiro at gmail.com>:
> > I first saw this in 2014 when I first used DragonFly (I think 3.8).
> > It happened without upgrade or downgrade of PFS.
> >
> > Unmounting once and then mounting again made the slave PFS in sync with
> master.
> > It may not be possible in your case as yours seem to be / fs.
> >
> >
> >
> > 2016-08-24 12:53 GMT+09:00 Lanir <lanir at cisns.net>:
> >> Hi,
> >>
> >> I think I must have setup the mirroring incorrectly because nothing is
> >> happening. I tried following the guide "how to implement hammer pseudo
> >> file system( pfs ) slave mirroring from pfs master" on the website but
> >> something appears to have gone wrong.
> >>
> >> I have two 7.3tb hammer filesystems spread over two physical disks each
> >> on the same system. I had problems creating the slave PFS so created it
> >> as a master, demoted it, then altered the shared-uuid to match before
> >> trying to mirror it. When I do a mirror-copy I get this result:
> >>
> >> # hammer mirror-copy /usr/stor/backups /usr/backup-stor/pfs/backups
> >> Mirror-read /usr/stor/backups succeeded
> >> #
> >>
> >> The data is obviously not being copied over:
> >>
> >> # df -h /usr/stor /usr/backup-stor
> >> Filesystem                       Size   Used  Avail Capacity  Mounted on
> >> stor1                            7.3T    44G   7.2T     1%    /usr/stor
> >> backup-stor1                     7.3T   1.0G   7.3T     0%
> >> /usr/backup-stor
> >>
> >> As far as I can tell they're setup correctly:
> >>
> >> # hammer pfs-status /usr/stor/backups /usr/backup-stor/backups/ | egrep
> >> '(shared-uuid|operating)'
> >>     shared-uuid=4138d697-3355-11e5-99b1-e13f494aab78
> >>     operating as a MASTER
> >>     shared-uuid=4138d697-3355-11e5-99b1-e13f494aab78
> >>     operating as a SLAVE
> >>
> >>
> >> Can someone help point me towards the problem? I feel like I may have
> >> missed something.
> >>
> >>
> >> Thank you!
> >>
> >>
>
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