Hi folks,
I have a set of tapes that I'd like to use in a daily rotation to backup online
disk volumes to tape.
I defined a pool for this like so:
Pool {
Name = offline_weekly
Pool Type = Backup
Recycle = yes
AutoPrune = yes
Volume Retention = 1 year
Recycle Oldest Volume = yes
Purge Oldest Volume = yes
Maximum Volumes = 7
Volume Use Duration = 1 day
}
Also, I've labelled 7 LTO6 tapes and assigned them to the pool.
The backup works fine, but all the jobs end up on the first tape
(probably until it fills up). I would expect that the "volume use
duration" would cause bacula (9.6.2 compiled from source on Ubuntu
Server LTS 18.04) to load the next tape in the pool after 24 hours (so
when the next offline backup job runs), then the next one and so on
until it reaches tape 1 again, then writing the next offline job on
that volume and so on, until all tapes are full and then it should
start to recycle the oldest volume.
Here's the pool how bacula sees it at the moment (I've also tried
"update pool from resource" without any effect):
+--------+----------------+---------+---------+-------------+--------------+---------+----------+-------------+
| PoolId | Name | NumVols | MaxVols | MaxVolBytes | VolRetention |
Enabled | PoolType | LabelFormat |
+--------+----------------+---------+---------+-------------+--------------+---------+----------+-------------+
| 11 | offline_weekly | 7 | 7 | 0 | 31,536,000 |
1 | Backup | * |
+--------+----------------+---------+---------+-------------+--------------+---------+----------+-------------+
And here's what "update pool from resource" shows:
------------+---------+---------------+---------------+------------+--------------------+-------------------+---------------+
| PoolId | Name | NumVols | MaxVols | UseOnce | UseCatalog |
AcceptAnyVolume | CacheRetention | VolRetention | VolUseDuration | MaxVolJobs |
MaxVolFiles | MaxVolBytes | AutoPrune | Recycle | ActionOnPurge | PoolType |
LabelType | LabelFormat | Enabled | ScratchPoolId | RecyclePoolId | NextPoolId
| MigrationHighBytes | MigrationLowBytes | MigrationTime |
+--------+----------------+---------+---------+---------+------------+-----------------+----------------+--------------+----------------+------------+-------------+-------------+-----------+---------+---------------+----------+-----------+-------------+---------+---------------+---------------+------------+--------------------+-------------------+---------------+
| 11 | offline_weekly | 7 | 7 | 0 | 1 |
0 | 0 | 31,536,000 | 86,400 | 0 |
0 | 0 | 1 | 1 | 0 | Backup | 0 |
* | 1 | 0 | 0 | 0 |
0 | 0 | 0 |
+--------+----------------+---------+---------+---------+------------+-----------------+----------------+--------------+----------------+------------+-------------+-------------+-----------+---------+---------------+----------+-----------+-------------+---------+---------------+---------------+------------+--------------------+-------------------+---------------+
(sorry for the long lines)
and here's an example output of a "list jobs on volume" query for the one tape
that is currently in active use by bacula in the pool above:
+-------+---------------+---------------------+------+-------+-------+----------------+--------+
| JobId | Name | StartTime | Type | Level | Files | Bytes
| Status |
+-------+---------------+---------------------+------+-------+-------+----------------+--------+
| 417 | offline_daily | 2020-03-17 14:08:21 | B | F | 4,167 |
33,078,435,599 | T |
| 422 | offline_daily | 2020-03-18 06:21:34 | B | F | 4,167 |
33,155,008,843 | T |
| 430 | offline_daily | 2020-03-19 06:21:33 | B | F | 4,324 |
38,389,879,305 | T |
| 437 | offline_daily | 2020-03-20 04:01:32 | B | F | 4,328 |
41,592,356,545 | T |
+-------+---------------+---------------------+------+-------+-------+----------------+--------+
Am I misunderstanding something about "volume use duration" here?
Thanks in advance for your help & all the best,
Uwe
--
Uwe Schürkamp | email: <uwe.schuerk...@nionex.net>
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