2011/1/8 Silver Salonen <silver AT ultrasoft DOT ee>:
> On Saturday 08 January 2011 14:07:01 Hugo Letemplier wrote:
>> Le 6 janv. 2011 à 21:17, Silver Salonen a écrit :
>>
>> > On Thursday 06 January 2011 22:14:16 John Drescher wrote:
>> >>> Only one job can run on the same device. If you want another job to run 
>> >>> into the save folder, you have to clone the device resource under some 
>> >>> other name. Eg:
>> >>>
>> >>
>> >> That is wrong. Multiple jobs can write to the same tape or disk volume
>> >> at the same time. Most likely your problem is that a single bacula
>> >> storage device can only load 1 volume and thus 1 pool at a time even
>> >> for disk volumes.
>> >>
>> >> John
>> >
>> > Yeah, sry, I forgot that. I wonder who and why writes multiple jobs into 
>> > the same volume with file-type volumes :)
>> >
>> > --
>> > Silver
>>
>> So I will need to create many pools ?
>> But of I use one pool for many Jobs so I will need to create many devices ?
>>
>> Hugo
>
> Many pools you need mostly because you want your backups of different levels 
> to be labeled differently and have different retention time for them.
>
> For file-type volumes it makes sense to use one job per volume and thus 
> you'll need to create as many devices as many concurrent jobs you want to use.
>
> PS. In mailing listis, please post at the bottom of the thread.
>
> --
> Silver
>

Do I need to use a virtual autochanger ? in fact I don't care about
what device I used per pool.
eg : if I have many file devices I order  to access many file volumes
in one sd directory. I would like that bacula select automaticatly the
first available device in order to access the file volume.

Here are my File devices in sd conf

Device {
  Name = "DataTest.0"
  Media Type = File
  Archive Device = /BaculaData/Test/
  LabelMedia = yes;                   # lets Bacula label unlabeled media
  Random Access = Yes;
  AutomaticMount = yes;               # when device opened, read it
  RemovableMedia = no;
  AlwaysOpen = Yes;
  Maximum Volume Size = 4G
}

Device {
  Name = "DataTest.1"
  Media Type = File
  Archive Device = /BaculaData/Test/
  LabelMedia = yes;                   # lets Bacula label unlabeled media
  Random Access = Yes;
  AutomaticMount = yes;               # when device opened, read it
  RemovableMedia = no;
  AlwaysOpen = Yes;
  Maximum Volume Size = 4G
}

imagine 10 Devices named "DataTest.X"

Here are my pools in Dir config, one named "Sauvegarde" is to make
regular backup on few File servers. The other is to export on a LTO
device as long as possible.

Pool {
        Name = Test
        Storage = DataTest   => My problem is here
        Pool Type = Backup
        Recycle = yes                                                           
# Bacula can automatically recycle Volumes
        AutoPrune = yes                                                         
# Prune expired volumes
        Volume Retention = 7 days                                # Short time 
to make test      
        Label Format = "Bacula-Test-"
        Maximum Volume Bytes = 4G                           # Limit Volume size 
to
something reasonable
        Maximum Volumes = 256                                           # Limit 
number of Volumes in Pool
        Next Pool = ArchivageLTO
}

Pool {                                                                          
#Pool pour l'archivage sur bande LTO
        Name = ArchivageLTO
        Storage = Tape   => My problem is here
        Pool Type = Backup
        Label Format = "Bacula-LTO-"
        Recycle = no                                                            
# Bacula can automatically recycle Volumes
        AutoPrune = no                                                          
# Prune expired volumes 
        Maximum Volumes = 0                                                     
# unlimited number of Volumes in Pool
}

=> My problem is here = I can only specify 1 device .

You said one pool per job but I will have many job with the same
retention time and space limit.
I want to backup my File servers as long as it is possible with the
only limit of the space on the Disk.

I was going to make Pools in function of the kind of Data to use and
the "Value" of the data stored on it.
For eg : Financial and administrative Data of my company in a
different pool than the Webserver, the File Server or than the Mail
Server.

My LTO pool is only the destination of a copy job, in this case this
is an archive and I need to maybe 20 years later so I configure it
with an unlimited retention time.

Do I really need to make one pool per job ?


Thanks

Hugo

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