I'll see if I can reproduce it within a few days and try to fix it if that's a bug, since I'm currently trying to fix lots of PFS related bugs.
2016-08-25 5:31 GMT+09:00 Lanir <[email protected]>: > I'm on 4.6-RELEASE. > > When I unmounted and remounted the base hammer filesystem it showed a > matching size. But when I stop the mirror-stream and mount the > former-slave PFS, I have no data to show for it. After a reboot the size > is off again. > > I'm a little confused about what's actually going on with it at the > moment. Data appears to be there but inaccessible. I think that bug is > related to what I'm seeing. > > > > > On 08/24/16 09:37, Tomohiro Kusumi wrote: >>> This might be related to the bug I reported: >>> >>> http://bugs.dragonflybsd.org/issues/2915 >> >> Lanir, >> Based on Tim's report on DragonFly 4.5, what's your uname -r ? >> >> >> >> 2016-08-24 22:23 GMT+09:00 Tomohiro Kusumi <[email protected]>: >>> 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 <[email protected]>: >>>> 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 <[email protected]>: >>>>> 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! >>>>> >>>>> > >
