I noticed that Bacula seems to be writing to tapes in a way that I don't
understand. If there are two tapes in an autochanger and they are in the same
pool, bacula writes to them both. I would expect it to fill a tape and then
start on the next one.
Hey Mr. Michael: do you have the directive Prefer Mounted Volumes = no? This
seems to provoke this behavior, and actually is not very recommended at this
time to use it.
Regards,
==============================================================================
Heitor Medrado de Faria - LPIC-III | ITIL-F
12 a 23 de janeiro de 2015 - Treinamento Telepresencial Bacula:
http://www.bacula.com.br/?p=2174
61 2021-8260 | 8268-4220
Site: www.bacula.com.br | Facebook: heitor.faria | Gtalk: heitorfa...@gmail.com
===============================================================================
----- Mensagem original -----
De: "Michael Schwager" <mschwa...@mochotrading.com>
Para: bacula-users@lists.sourceforge.net
Enviadas: Segunda-feira, 24 de novembro de 2014 17:27:00
Assunto: [Bacula-users] How Bacula Chooses a tape in the pool to write to
Hello,
I noticed that Bacula seems to be writing to tapes in a way that I don't
understand. If there are two tapes in an autochanger and they are in the same
pool, bacula writes to them both. I would expect it to fill a tape and then
start on the next one.
For example, we have:
Pool: Tape
+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
| MediaId | VolumeName | VolStatus | Enabled | VolBytes | VolFiles |
VolRetention | Recycle | Slot | InChanger | MediaType | LastWritten |
+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
| 16 | EPW680L3 | Full | 1 | 682,622,760,960 | 198 | 31,536,000 | 0 | 0 | 0 |
LTO-3 | 2014-11-15 11:45:33 |
| 17 | EPW681L3 | Append | 1 | 75,587,355,648 | 22 | 31,536,000 | 0 | 7 | 1 |
LTO-3 | 2014-11-18 09:40:27 |
| 23 | EPW682L3 | Append | 1 | 194,428,523,520 | 56 | 31,536,000 | 0 | 6 | 1 |
LTO-3 | 2014-11-23 00:03:19 |
+---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
If the tape could hold up to 680 G or so, why has it written 75G to one
Appendable tape, and 194G to the other?
Thanks.
- Mike Schwager
Linux Network Engineer, Mocho Trading LLC
312-646-4783 Phone 312-637-0011 Cell 312-957-9804 Fax
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