Bacula-users

[Bacula-users] Concurrent jobs with and without spooling

2012-08-08 05:23:07
Subject: [Bacula-users] Concurrent jobs with and without spooling
From: Jummo <jummo AT devio DOT us>
To: bacula-users AT lists.sourceforge DOT net
Date: Wed, 8 Aug 2012 11:20:49 +0200 (CEST)
Hi all,

I have a question about data spooling in bacula.

If a job runs and write directly to tape without spooling (e.g. a Copy Job) and 
pool "tape_full" on storage "autochanger1" (two tape drives) and a second job 
is started with spooling (e.g. Backup Job) and pool "tape_full" on storage 
"autochanger1".  What happens when the second job begin despooling? Will the 
despooling still have exculsive access described in [1] or will the two jobs 
write concurrently to the same tape drive and mixed the backup data on the 
volume?

Job 1:
Type: Copy
Spool Data: no
Pool: tape_full
Storage: autochanger1

Job 2:
Type: Backup
Spool Data: yes
Pool: tape_full
Storage: autochanger1

Thanks,

  - Jummo

  [1] http://www.bacula.org/en/dev-manual/main/main/Data_Spooling.html

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