Re: [Bacula-users] Allow or disallow pool to storage device?

On 2/22/2013 11:11 AM, Clark, Patricia A. wrote:
> I have an autochanger with multiple tape drives.  I have 2 pools using all of 
> the drives, let's say poolA and poolB.  It may take a long time before a 
> drive becomes available to poolB, so I'd like poolA denied the use of a 
> drive, or the inverse of that, have 1 of the drives exclusive to the use of 
> poolB, but still allow it to use any of the other drives if available within 
> the autochanger.  Is there a configuration or setting that will allow this 
> arrangement?  I looked at the Autoselect directive, but wasn't sure if it 
> would be the answer.
>
> Patti Clark
> Linux System Administrator
> Research and Development Systems Support Oak Ridge National Laboratory

Specify two autochangers. For example, if the physical autochanger has a 
control channel on /dev/sg6 and three drives on /dev/nst0, /dev/nst1, 
and /dev/nst2, then use something like:

# bacula-sd.conf
#
Autochanger {
   Name = changer1-changer
   Device = changer-drive0,changer-drive1
   Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
   Changer Device = /dev/sg6
}
Autochanger {
   Name = changer2-changer
   Device = changer-drive0,changer-drive1,changer-drive2
   Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
   Changer Device = /dev/sg6
}
Device {
   Name = changer-drive0
   Drive Index = 0
   Autochanger = yes;
   Archive Device = /dev/nst0
   MaximumConcurrentJobs = 1
   ...
}
Device {
   Name = changer-drive1
   Drive Index = 1
   Autochanger = yes;
   Archive Device = /dev/nst1
   MaximumConcurrentJobs = 1
   ...
}
Device {
   Name = changer-drive2
   Drive Index = 2
   Autochanger = yes;
   Archive Device = /dev/nst2
   MaximumConcurrentJobs = 1
   ...
}
# EOF bacula-sd.conf

# bacula-dir.conf
#
Storage {
   Name = changer1
   Autochanger = yes
   Device = changer1-changer
   ...
}
Storage {
   Name = changer2
   Autochanger = yes
   Device = changer2-changer
   ...
}
Pool {
   Name = poolA
   Storage = changer1
   ...
}
Pool
{
   Name = poolB
   Storage = changer2
   ...
}

# EOF bacula-dir.conf



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