On Tuesday 17 May 2005 23:46, Sean O'Grady wrote:
> Hello,
>
> I'm trying to get a better understanding of Concurrent Job behaviour and
> how it relates to multiple jobs going to a single Storage Device.
>
> The basics of my setup are multiple clients and a single Storage device.
> I specify that all Jobs will be spooled and that there is a Maximum
> Concurrent Job number of 20.
>
> What I would like to have happen is if 5 Jobs start @ 23:00 the first
> one started spools its data and then writes to tapes when its finished
> spooling. The additional 4 Jobs meanwhile start spooling their data from
> the client while the first job is running and then write to tape when
> the Storage Device becomes available. The order of Job completion can be
> FIFO as long as the data can be spooled concurrently from all clients
> (assuming there is enough disk space).
>
> As an alternative which would be even better - All 5 Jobs start @ 23:00
> spooling data from the client, the first Job to complete the spooling
> from the client starts writing to the Storage Device. Remaining Jobs
> queue for the Storage Device as it becomes available and as their
> spooling completes.
>
> Instead what I'm seeing is while the first job executes the additional
> jobs all have a status of "is waiting on max Storage jobs" and will not
> begin spooling their data until that first Job has
> spooled->despooled->written to the Storage Device.
>
> My question is of course "is this possible" to have Concurrent Jobs
> running and spooling in one of the scenarios above (or another I'm
> missing).
>
Yes. It works here flawlessly.
Make sure you enable concurrent jobs in:

1-.
bacula-dir.conf
Director {                            # define myself
...........
  Maximum Concurrent Jobs = 15
}
Storage {
...........
  Maximum Concurrent Jobs = 20
}

2-.
bacula-sd.conf
Storage {                             # definition of myself
...........
  Maximum Concurrent Jobs = 20
}

and don't forget

Job {
.............
  SpoolData = yes
}

in the job definitions.

> If so I'll send out more details of my config to see if anyone can point
> out what I'm doing wrong.
>
> Thanks,
> Sean
>



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