On 11/25/22 09:20, Ana Emília M. Arruda wrote:
Can you share your pool resource configuration here? Bacula has many
directives to different ways to recycle volumes, it would be nice to
see how you have the pool configured.
Sure, here is my pool configuration:
Pool {
Name = File
Pool Type = Backup
Recycle = yes
Recycle Oldest Volume = yes
AutoPrune = yes
Volume Retention = 7 days
Maximum Volume Bytes = 50G
Maximum Volumes = 310
Label Format = "Vol-"
Action On Purge = Truncate
Volume Use Duration = 14h
}
It's notable that this configuration leaves about 450GB of free space on
the pool partition, so there is plenty of working room. I had initially
grown the Maximum Volumes setting several times before stopping and
investigating why volumes weren't being reused; presuming that
completely filling the partition would likely be A Bad Idea(tm).
After that, you will be able to "truncate volumes in Purged
status" using the following command:
* truncate volume allpools storage=File1
This command reports "No volumes found to perform the command"
This command will only apply to volumes in "Purged" status. If they
have been reused, there will be no volume to truncate. Please check if
it works having at least one volume in Purged status.
After the steps taken so far, I'm showing that I have a significant
number of volumes in "Purged" status - so, if I understand correctly,
those will be available for re-use as Bacula requires more space for
more backups.
So; with your help I see how to manually prune files, but this
seems inelegant. The system should automatically be pruning or at
least allowing me to overwrite the old data - it ought to be
cyclical - use the available disk space (17T) to back up systems,
letting old backups fall off automatically so that new backups can
take their place.
Is needing to manually remove stale backups the intended behavior
of the system, or have I done something incorrectly?
Bacula will automatically reuse volumes, but it will not destroy data
if the retention hasn't expired yet.
It would be nice if you could share the pool resource configuration
and a job log reporting no volume available to use.
The best approach is to reuse volumes as soon as they have retention
expired, but to not keep the pool too tight as it may happen Bacula
can't create a new volume or reuse any.
Limiting the pool size (in bytes or in number of volumes) and keeping
a retention that can fit into this pool size is ideal.
The pool configuration is listed above, here's an example of a job log
reporting no volumes available (this is before files were purged
allowing the currently pending backups to run - they all finished)
2022-11-23 13:01:31 baculaserver-dir JobId 904: Start Backup JobId 904,
Job=client.2022-11-23_13.01.29_31
2022-11-23 13:01:31 baculaserver-dir JobId 904: Connected to Storage
"File1" at baculaserver:9103 with TLS
2022-11-23 13:01:31 baculaserver-dir JobId 904: Pruning oldest volume
"Vol-0001"
2022-11-23 13:01:31 baculaserver-dir JobId 904: Found no Job associated
with the Volume "Vol-0001" to prune
2022-11-23 13:01:31 baculaserver-dir JobId 904: Using Device
"FileChgr1-Dev1" to write.
2022-11-23 13:01:31 baculaserver-dir JobId 904: Connected to Client
"client" at IPADDR:9102 with TLS
2022-11-23 13:01:31 client JobId 904: Connected to Storage at
baculaserver:9103 with TLS
2022-11-23 13:01:32 baculaserver-dir JobId 904: Pruning oldest volume
"Vol-0001"
2022-11-23 13:01:32 baculaserver-dir JobId 904: Found no Job associated
with the Volume "Vol-0001" to prune
2022-11-23 13:01:32 baculaserver-dir JobId 904: Pruning oldest volume
"Vol-0001"
2022-11-23 13:01:32 baculaserver-dir JobId 904: Found no Job associated
with the Volume "Vol-0001" to prune
2022-11-23 13:01:32 baculaserver-sd JobId 904: Job
client.2022-11-23_13.01.29_31 is waiting. Cannot find any appendable
volumes.
Please use the "label" command to create a new Volume for:
Storage: "FileChgr1-Dev1" (/var/lib/bacula)
Pool: File
Media type: File1
2022-11-23 13:03:47 baculaserver-sd JobId 904: Error: bsock.c:282 Bsock
send while terminated=1 on call to client:IPADDR:9103
2022-11-23 13:03:47 baculaserver-sd JobId 904: askdir.c:859 Job was
stopped by the user.
Thanks,
--
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