I'd suggest to review ARCCMDxx and change MARKFULL parameter. I don't remember the names, but HSM gives you a choice: reuse partially written tape next time, or treat it as full (markfull) and not mount it for output again. The first option allows to utilize the capacity of the 3592.

BTW: RMM has nothing to do with the issue.

--
Radoslaw Skorupka
Lodz, Poland


Mark Wilson wrote:
Hello listers,

I have the following software stack:

      z/OS 1.4

      DFSMS/hsm

      DFSMS/rmm

We currently use HSM to do full & incremental volume backups on a daily
basis.

We are looking at changing some of our hardware with a view to exploiting
3592's.

Can I automatically (I can do most of the application stuff with JCL) stack
cartridges to a near full capacity using DFSMS/rmm and or HSM.

Is this possible?

If so how?

Kind Regards

Mark Wilson

Mob: +44 7768 617006


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