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
___________________________________________
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