Hello,
I am running bacula 9.6.9.5 on CentOs 8 with plugin
bacula-sd-aligned-driver-9.6.5.so installed, following the configuration
documentation "Deduplication Optimized Volumes".
I would like to activate deduplication, but I do not succeed:
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Here is the result of "zpool status -D bacula", bacula/fsd if a zfs filesystem,
containing only 1 tape volume:
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#zpool status -D bacula
pool: bacula
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
bacula ONLINE 0 0 0
sdb ONLINE 0 0 0
errors: No known data errors
dedup: DDT entries 38001, size 274B on disk, 146B in core
bucket allocated referenced
______ ______________________________ ______________________________
refcnt blocks LSIZE PSIZE DSIZE blocks LSIZE PSIZE DSIZE
------ ------ ----- ----- ----- ------ ----- ----- -----
1 37.1K 4.64G 4.40G 4.40G 37.1K 4.64G 4.40G 4.40G <= allocated=referenced <=
Total 37.1K 4.64G 4.40G 4.40G 37.1K 4.64G 4.40G 4.40G
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#ls -lh /bacula/fsd
total 4.5G
-rw-r----- 1 bacula disk 4.7G Sep 17 14:24 Vol-0004
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#ls -lh /home/aligned
total 4.0K
-rw-r----- 1 bacula disk 1.0K Sep 17 13:36 Vol-0004.add
********************************************************************************************************************************
# zfs list
NAME USED AVAIL REFER MOUNTPOINT
bacula 4.42G 51.3G 24K /bacula
bacula/fsd 4.40G 51.3G 4.40G /bacula/fsd
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# zpool list
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
bacula 57.5G 4.42G 53.1G - - 0% 7% 1.00x ONLINE - <= DEDUP=1.00 <=
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Vol-0004 contains only 3 full backups of the same client, at nearly the same
time:
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Terminated Jobs:
JobId Level Files Bytes Status Finished Name
===================================================================
22 Full 99,765 1.640 G OK 17-sept2020 13:44 Backup-ovn2
23 Full 99,765 1.640 G OK 17-sept2020 14:03 Backup-ovn2
24 Full 99,765 1.640 G OK 17-sept2020 14:23 Backup-ovn2
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Here is the configuration of bacula-sd.conf:
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Autochanger {
Name = FileChgr3
Device = Dedup-Dev
Changer Command = ""
Changer Device = /dev/null
}
Device {
Name = Dedup-Dev
Device Type = Aligned
Media Type = Aligned
Maximum Block Size = 128K
Minimum Block Size = 0
File Alignment = 128K
Padding Size = 512
Minimum Aligned Size = 4K
Maximum Concurrent Jobs = 1
Archive Device = /bacula/fsd
Aligned Device = /home/aligned
LabelMedia = yes;
Random Access = Yes;
AutomaticMount = yes;
RemovableMedia = no;
AlwaysOpen = no;
}
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And the configuration of bacula-dir.conf:
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Autochanger {
Name = File3
Address = test-ovirt
SDPort = 9103
Password = "3mFW984e2nqoLT6hXiVux4mBg78PBBmT2KkGANmoXj
Device = FileChgr3
Media Type = Aligned
Autochanger = File3
Maximum Concurrent Jobs = 1
}
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Here are the messages of the creation of the volume, the right Device is used:
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*me
17-Sep 13:36 test-ovirt-dir JobId 22: Start Backup JobId 22,
Job=Backup-ovn2.2020-09-17_13.36.30_10
17-Sep 13:36 test-ovirt-dir JobId 22: Created new Volume="Vol-0004",
Pool="File", MediaType="Aligned" in catalog.
17-Sep 13:36 test-ovirt-dir JobId 22: Using Device "Dedup-Dev" to write.
17-Sep 13:36 test-ovirt-sd JobId 22: Labeled new Volume "Vol-0004" on Aligned
device "Dedup-Dev" (/bacula/fsd).
17-Sep 13:36 test-ovirt-sd JobId 22: Wrote label to prelabeled Volume
"Vol-0004" on Aligned device "Dedup-Dev" (/bacula/fsd
********************************************************************************************************************************
I have run bacula-sd.conf in debug mode, the device seems to initiate:
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/opt/bacula/bin/bacula-sd -d 99 -f -c /opt/bacula/etc/bacula-sd.conf
bacula-sd: address_conf.c:274-0 Initaddr 0.0.0.0:9103
test-ovirt-sd: plugins.c:97-0 load_plugins
test-ovirt-sd: plugins.c:133-0 Rejected plugin: want=-sd.so name=bpipe-fd.so
len=11
test-ovirt-sd: plugins.c:133-0 Rejected plugin: want=-sd.so
name=bacula-sd-aligned-driver-9.6.5.so len=33
test-ovirt-sd: plugins.c:121-0 Failed to find any plugins in
/opt/bacula/plugins
test-ovirt-sd: stored.c:613-0 calling init_dev FileChgr1-Dev1
test-ovirt-sd: stored.c:615-0 SD init done FileChgr1-Dev1 (0x7f2304001358)
test-ovirt-sd: stored.c:613-0 calling init_dev FileChgr2-Dev1
test-ovirt-sd: stored.c:615-0 SD init done FileChgr2-Dev1 (0x7f2304003258)
test-ovirt-sd: stored.c:613-0 calling init_dev Dedup-Dev
test-ovirt-sd: init_dev.c:437-0 Open SD driver at
/opt/bacula/plugins/bacula-sd-aligned-driver-9.6.5.so <= dedup device open <=
test-ovirt-sd: init_dev.c:442-0 Lookup "BaculaSDdriver" in driver=aligned
test-ovirt-sd: init_dev.c:444-0 Driver=aligned entry point=7f2308ca19f0
test-ovirt-sd: init_dev.c:469-0 SD driver=aligned is already loaded.
test-ovirt-sd: stored.c:615-0 SD init done Dedup-Dev (0x7f23040053e8)
test-ovirt-sd: bnet_server.c:86-0 Addresses 0.0.0.0:9103
Can somebody give me help ?
Thank you
Serge UGE
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