Bacula-users

Re: [Bacula-users] Recycled Volumes having problem

2009-12-22 00:00:22
Subject: Re: [Bacula-users] Recycled Volumes having problem
From: vishal veerkar <vishalveerkar AT gmail DOT com>
To: Timo Neuvonen <timo-news AT tee-en DOT net>
Date: Tue, 22 Dec 2009 10:26:37 +0530
Sorry for replying so late.....

Actully the problem was "recycle pool" was getting changed when  purging manually. Below is th output for same. My all clients are configured to write in Pool_8 and this volume before purging belongs to same Pool. But after purging this volume is not under this Pool and hence its not getting written.

It purges (deletes) all Files from a Job,
JobId, Client or Volume; or it purges (deletes)
all Jobs from a Client or Volume without regard
for retention periods. Normally you should use the
PRUNE command, which respects retention periods.
22 Files on Volume "Vol0018" purged from catalog.
There are no more Jobs associated with Volume "Vol0018". Marking it purged.
New Pool is: Default

I have manually editted it to move under correct Pool but i was failed to understand the cause of Pool change.

Regards,

Vishal Veerkar

2009/12/19 Timo Neuvonen <timo-news AT tee-en DOT net>
Hi All,

I have noticed one thing. The Volumes which have been expired (retention 12days) when getting recycled gives below logs. but i am able to see that volume intact on the server but the Catalog entry is missing. Kindly find the attached file for details of Catalog screen shot.

19-Dec 05:29 bacula2-dir JobId 18095: There are no more Jobs associated with Volume "Vol0170". Marking it purged.
19-Dec 05:29 bacula2-dir JobId 18095: New Pool is: Default
19-Dec 05:29 bacula2-dir JobId 18095: All records pruned from Volume "Vol0170"; marking it "Purged"
19-Dec 05:29 bacula2-dir JobId 18095: There are no more Jobs associated with Volume "Vol0502". Marking it purged.

  File: `Vol0170'
  Size: 32212195211     Blocks: 62975960   IO Block: 4096   regular file
Device: 891h/2193d      Inode: 16793602    Links: 1
Access: (0640/-rw-r-----)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2009-12-06 11:18:21.000000000 +0530
Modify: 2009-12-06 13:41:32.000000000 +0530
Change: 2009-12-06 13:41:32.000000000 +0530
Recycling does not remove physical volume, which in your case is a file on a disk (volume could also be a tape, in that case the tape drive is analoguos to disk drive holding now the volume files).
 
Purging means that all catalog entries related to the contents of the volume in question are deleted. Also, information about the actual volume will stay in the database after purge (roughly: this is how Bacula knows the volume exists and that its status is now "purged"). Bacula will pysically touch this volume (file) only when it will be written again next time, and at that time its size will at first reduce to (almost) zero, and immediatedly thereafter Bacula starts appending new data into it.
 
So, pruning/purging does not delete or otherwise modify physical volume files, it just manipulates the catalog to make the volumes re-available for writing. AFAIK, nor does so even the "delete" command that may be used to delete all catalog information about the volume. This is analoguos to using tapes as volumes: no backup software would physically delete physical tapes (put in a shredded?) either.
 
--
TiN

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--
With regards,

Vishal Veerkar
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