[Bacula-users] More about concurrent jobs...

There's been an interesting thread about the limitations of the 
storage/device model in Bacula, and i think i'm hitting one of those 
limitations, or maybe a configuration error:

I have 1 Storage daemon with 1 File device, 1 autochanger with 1 Tape 
device.

I want to make concurrent backups to the file device, but not on the 
tape. I've configured the director as follows:

( Director & Storage daemon has general  Maximum Concurrent Jobs = 10 )

# Definition of file storage device
Storage {
   Name = File
   Maximum Concurrent Jobs = 3
   Address = 1.2.3.4
   SDPort = 9103
   Password = "xxxx"
   Device = FileStorage
   Media Type = File
}

# C4, Drive LTO3
Storage {
   Name = StorageTekC4
   Maximum Concurrent Jobs = 1
   Address = 1.2.3.4
   SDPort = 9103
   Password = "xxxx"
   Device = StorageTekC4
   Media Type = LTO3
   Autochanger = yes
}

Notice both devices point to the same host, and i think this is one of 
the limitations, you don't define a storage daemon host, and hang 
devices from there, and thus you cannot define Max Concurrent for the 
whole (in this case 4 jobs, 1 to tape, 3 to disk)

The fun thing is this works halfway. When bacula is using the tape, all 
other jobs wait in the queue, even when those are for the file device. 
But when a File Job starts, the rest are done concurrently (at least the 
file ones)

Am i doing anything wrong? I guess i could easily overcome this by 
starting 2 storage daemons on the same machine and letting one handle 
the file and the other the tape...

But i'm wondering, does this happen when you have 2 autochangers?
Does bacula understand that 2 Jobs are not Concurrent if they're not 
targetting the same device? And if they're not targeting the same 
storage daemon?


Cheers,
-- 
José E. Molina
Arquitecto Sistemas
Sistemas Comunicaciones y Seguridad
Brújula
Tel. 971.433.909 - Fax. 971.433.910
www.brujula.es
___________________________________________
En el corazón de su negocio



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