Hello,
I'm facing 2 differents issues with BackupPC :
*) Locking
Transfer is done using rsync+ssh, I've a task that started at 4am and
was stuck (backup still processing but no activity on disk)
I was forced to kill rsync process manually, DumpPostUserCmd was called
then.
Here's the list of process that was running :
backuppc 521 0.0 0.0 5556 3196 ? S 04:51
0:05 /usr/bin/ssh -q -x -l root remote /usr/bin/rsync --server --sender
--numeric-ids --perms --owner --group -D --links --hard-links --times
--block-size=2048 --recursive . /home/snap/something/
root 524 0.0 0.0 5104 2720 ? Ss 04:51
0:18 /usr/bin/rsync --server --sender --numeric-ids --perms --owner
--group -D --links --hard-links --times --block-size=2048
--recursive . /home/snap/something/
backuppc 525 8.3 1.9 334108 331164 ? S 04:51
40:02 /usr/bin/perl /usr/share/backuppc/bin/BackupPC_dump something
Strace on rsync : it was waiting like select(1, ...)
This problem occured twice since i'm using BackupPC (july 2008), which
is handling 18 hosts (Pool Size = 42 GB).
*) BackupPC doesn't worked correctly on one host
Existing
Files
New
Files
Backup#
Type
Comp
Level
Size/MB
Comp/MB
Comp
Size/MB
Comp/MB
Comp
72
full
3
21171.9
12557.7
40.7%
721.4
152.4
78.9%
79
full
3
22718.2
13552.4
40.3%
799.2
161.5
79.8%
84
incr
3
764.0
389.4
49.0%
939.7
250.2
73.4%
85
incr
3
2702.0
1483.6
45.1%
2011.5
912.3
54.6%
86
full
3
24829.1
14508.4
41.6%
0.0
87
incr
3
21008.1
11949.4
43.1%
717.4
150.9
79.0%
88
incr
3
21096.4
12011.7
43.1%
790.2
185.1
76.6%
89
incr
3
21125.3
12024.3
43.1%
948.1
267.5
71.8%
90
incr
3
21042.7
11980.6
43.1%
842.8
188.1
77.7%
#86 was supposed to be a full backup but when browsing I found out that
it's missing a lot of directory ( /bin /home ...)
size of backup# on disk
2,8G 86
9,3G 87
9,4G 88
Moreover, when trying to read logfile, to found out anything : file
XferLog seems corrupted
# /usr/share/backuppc/bin/BackupPC_zcat XferLOG.86.z
/usr/share/backuppc/bin/BackupPC_zcat: can't uncompress XferLOG.86.z
# hexdump -C XferLOG.86.z | head -n5
00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
|................|
*
006b1970 77 52 2f 25 4f 82 cf bc a3 61 3f 85 2d 92 77 e7 |wR/%
O....a?.-.w.|
006b1980 4d cd 60 fd ef 9e 04 7f ff ec ce fc 3b f5 cd 7c |
M.`.........;..||
006b1990 9a c1 82 3d 09 c2 37 ba 7b 27 af fa a2 ff 7a 02
|...=..7.{'....z.|
BackupPC version is 3.1.0 (from Debian etch/backports 3.1.0-2~bpo40+1).
The last one isn't really directly related to BackupPC :
* I'm using LVM2 to make snapshot of ext3 device and then mount it
(read-only) : this is done in DumpPreUserCmd .
* when backup completed, it's unmounted and snapshot is removed in
DumpPostUserCmd
Time to time, when mounting snapshot, I'm having issue in syslog :
EXT3-fs: dm-34: orphan cleanup on readonly fs
ext3_orphan_cleanup: deleting unreferenced inode 65456043
...
ext3_orphan_cleanup: deleting unreferenced inode 65456045
EXT3-fs: dm-34: 11 orphan inodes deleted
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
Is this a correct behaviour ?
Thanks,
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