PFS mirror problems

[Tomohiro Kusumi]

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!
>>
>>