Bacula-users

Re: [Bacula-users] numbering tapes

2013-01-11 10:07:11
Subject: Re: [Bacula-users] numbering tapes
From: Martin Simmons <martin AT lispworks DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 11 Jan 2013 15:04:17 GMT
>>>>> On Tue, 8 Jan 2013 12:06:06 -0500, Tim Dunphy said:
> 
> Hello,
> 
>  I've set auto-labeling in my pool definition:
> 
> # Default pool definition
> Pool {
>   Name = "Default"
>   Pool Type = Backup
>   Recycle = yes                       # Bacula can automatically recycle
> Volumes
>   AutoPrune = yes                     # Prune expired volumes
>   Volume Retention = 45 days          # a month and a half
>   Maximum Volume Bytes = 25G        # Limit Volume size to something
> reasonable
>   Maximum Volumes = 16               # Limit number of Volumes in Pool
>   Volume Use Duration = 7d           # Use a new tape every week
>   Recycle = yes                       # Recycling
>   Recycle Oldest Volume = yes         # Recycle the oldest volume
>   LabelFormat = "jf-backup-tape-"
> }
> 
> 
> And I need to re-create my tapes due to a new backup strategy. But I notice
> that the tape numbering scheme seems to pick up from where the last pool
> left off:
> 
> Select the Pool (1-3): 3
> +---------+---------------------+-----------+---------+----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
> | MediaId | VolumeName          | VolStatus | Enabled | VolBytes       | 
> VolFiles | VolRetention | Recycle | Slot | InChanger | MediaType | 
> LastWritten         |
> +---------+---------------------+-----------+---------+----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
> |     207 | jf-backup-tape-0001 | Full      |       1 | 26,843,542,493 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-03 
> 03:48:23 |
> |     208 | jf-backup-tape-0002 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-03 
> 05:11:43 |
> |     209 | jf-backup-tape-0003 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-03 
> 06:27:53 |
> |     210 | jf-backup-tape-0210 | Full      |       1 | 26,843,493,191 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-04 
> 02:19:26 |
> |     211 | jf-backup-tape-0211 | Full      |       1 | 26,843,502,243 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-04 
> 03:50:07 |
> |     212 | jf-backup-tape-0212 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-04 
> 05:15:09 |
> |     213 | jf-backup-tape-0213 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-04 
> 06:31:47 |
> |     214 | jf-backup-tape-0214 | Full      |       1 | 26,843,529,199 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-05 
> 02:32:19 |
> |     215 | jf-backup-tape-0215 | Full      |       1 | 26,843,530,749 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-05 
> 03:57:34 |
> |     216 | jf-backup-tape-0216 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-05 
> 05:22:34 |
> |     217 | jf-backup-tape-0217 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-05 
> 06:39:16 |
> |     218 | jf-backup-tape-0218 | Full      |       1 | 26,843,484,949 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-06 
> 02:37:38 |
> |     219 | jf-backup-tape-0219 | Full      |       1 | 26,843,507,429 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-06 
> 03:58:47 |
> |     220 | jf-backup-tape-0220 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-06 
> 05:37:46 |
> |     221 | jf-backup-tape-0221 | Full      |       1 | 26,843,507,914 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-06 
> 06:54:03 |
> |     222 | jf-backup-tape-0222 | Full      |       1 | 26,843,496,040 |      
>   6 |    3,888,000 |       1 |    0 |         0 | File      | 2013-01-07 
> 02:48:34 |
> +---------+---------------------+-----------+---------+----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
> 
> Is there any way (maybe by manipulating the database directly) to re-set
> the tape numbering scheme so that I can have the tapes labeled 0001-0025?

Not with simple LabelFormat -- it always uses 1 + the max MediaId to avoid
clashes.

__Martin

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