[DragonFlyBSD - Bug #2915] Hammer mirror-copy problem

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2915 has been updated by t_dfbsd.


Would someone comment on the status of this issue please? I'm not being pushy; I just want to know if it's a low priority.

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Bug #2915: Hammer mirror-copy problem
http://bugs.dragonflybsd.org/issues/2915#change-12900

* Author: t_dfbsd
* Status: New
* Priority: High
* Assignee: 
* Category: 
* Target version: 
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DragonFly v4.5.0.843.gfe3b7-DEVELOPMENT

When I mirror copy a master to a slave and then upgrade the slave, the new master pfs can't be mirror copied. This is reproducible but only between two distinct hammer filesystems. If you do it all on the same filesystem, the problem doesn't appear to occur.

boojum# hammer pfs-master /pfs/master
Creating PFS #13	succeeded!
/pfs/master
    sync-beg-tid=0x0000000000000001
    sync-end-tid=0x00000001b44c0b20
    shared-uuid=1191b9a4-1bc4-11e6-8e1d-418d5cb760e2
    unique-uuid=1191b9aa-1bc4-11e6-8e1d-418d5cb760e2
    label=""
    prune-min=00:00:00
    operating as a MASTER
    snapshots directory defaults to /var/hammer/<pfs>
boojum# cp /COPYRIGHT /pfs/master/            
boojum# ls -l /pfs/master/
total 13
-r--r--r--  1 root  wheel  6686 16-May-2016 17:12 COPYRIGHT
boojum# hammer -y mirror-copy /pfs/master /volumes/BACKUP3/pfs/slave                    
PFS slave /volumes/BACKUP3/pfs/slave does not exist. Auto create new slave PFS!
Creating PFS #31	succeeded!
/volumes/BACKUP3/pfs/slave
    sync-beg-tid=0x0000000000000001
    sync-end-tid=0x0000000000000001
    shared-uuid=1191b9a4-1bc4-11e6-8e1d-418d5cb760e2
    unique-uuid=2e551d04-1bc4-11e6-8e1d-418d5cb760e2
    label=""
    prune-min=00:00:00
    operating as a SLAVE
    snapshots directory defaults to /var/hammer/<pfs>
Prescan to break up bulk transfer
Prescan 1 chunks, total 0 MBytes (7296)
Mirror-read /pfs/master succeeded
boojum# ls -l /volumes/BACKUP3/pfs/slave/
total 13
-r--r--r--  1 root  wheel  6686 16-May-2016 17:12 COPYRIGHT
boojum# hammer pfs-upgrade /volumes/BACKUP3/pfs/slave 
pfs-upgrade of PFS#31 () succeeded
boojum# hammer -y mirror-copy /volumes/BACKUP3/pfs/slave /volumes/BACKUP3/pfs/slave2
PFS slave /volumes/BACKUP3/pfs/slave2 does not exist. Auto create new slave PFS!
Creating PFS #32	succeeded!
/volumes/BACKUP3/pfs/slave2
    sync-beg-tid=0x0000000000000001
    sync-end-tid=0x0000000000000001
    shared-uuid=1191b9a4-1bc4-11e6-8e1d-418d5cb760e2
    unique-uuid=5ef43f68-1bc4-11e6-8e1d-418d5cb760e2
    label=""
    prune-min=00:00:00
    operating as a SLAVE
    snapshots directory defaults to /var/hammer/<pfs>
Prescan to break up bulk transfer
Prescan 1 chunks, total 0 MBytes (0)
Mirror-read /volumes/BACKUP3/pfs/slave succeeded
boojum# ls -l /volumes/BACKUP3/pfs/slave2 
lrwxr-xr-x  1 root  wheel  10 16-May-2016 17:14 /volumes/BACKUP3/pfs/slave2 -> @@0x00000001000420d0:00032
boojum# ls -l /volumes/BACKUP3/pfs/slave2/
ls: /volumes/BACKUP3/pfs/slave2/: No such file or directory
boojum# 




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