[Bacula-users] Question about jobs and pools

Hello,

At the moment i have the following pools:

- FileServer-Pool-full

- FileServer-Pool-Incr

- FileServer-Pool-Diff

- MailServer-Pool-fulll

- MailServer-Pool-Incr

- MailServer-Pool-Diff

I have 7 tapes in my library and all of them were put in the Scratch pool. I have calculated that a full backup for the FileServer will comfortable fit in 2 tapes and for the MailServer 1 tape.

Now, i would like the Incremental and Differential jobs for the FileServer to write to 1 tape and incremental and differential jobs for MailServer to write to another tape. This will end up with MailServer using 2 tapes and FileServer using 3 tapes. Leaving me 2 tapes for other backups.

But it is not happening like that, each pool just pulls a new tape out of scratch and writes to it, if the job has run, it will append to it, but incremental and differential seem to not be able to coexists on the same tape.

My question is, what can i do to have incremental and differential jobs to be written to 1 tape?

After a week cycle i ended up with:

Pool: FileServPool-Full-tape

+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

| 15 | CNH895 | Full | 1 | 165,219,038,208 | 166 | 2,592,000 | 1 | 1 | 1 | tape | 2010-08-25 14:31:09 |

| 16 | CNH896 | Used | 1 | 139,932,721,152 | 140 | 2,592,000 | 1 | 2 | 1 | tape | 2010-08-25 18:27:05 |

+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

Pool: FileServPool-Diff-tape

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

| 20 | CNH900 | Append | 1 | 778,982,400 | 1 | 2,592,000 | 1 | 6 | 1 | tape | 2010-08-29 18:14:51 |

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

Pool: FileServPool-Incre-tape

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

| 17 | CNH897 | Append | 1 | 801,239,040 | 3 | 432,000 | 1 | 3 | 1 | tape | 2010-08-27 20:14:59 |

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

Pool: MailPool-Full-tape

+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

| 18 | CNH898 | Used | 1 | 113,341,132,800 | 114 | 2,592,000 | 1 | 4 | 1 | tape | 2010-08-25 23:50:11 |

+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+

Pool: MailPool-Incre-tape

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

| 19 | CNH899 | Append | 1 | 831,946,752 | 2 | 10,368,000 | 1 | 5 | 1 | tape | 2010-08-27 20:24:00 |

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

Pool: MailPool-Diff-tape

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

| 21 | CNH901 | Append | 1 | 751,822,848 | 1 | 10,368,000 | 1 | 7 | 1 | tape | 2010-08-29 18:23:52 |

+---------+------------+-----------+---------+-------------+----------+--------------+---------+------+-----------+-----------+---------------------+

Thanks

------
Romer Ventura

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