Hi Sean,
It is possible to have Concurrent Jobs running and spooling in the second scenario :-)
You can send more details.
Ludovic
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).
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
-- Sean O'Grady System Administrator Sheridan College Oakville, Ontario
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