RE: How to RECALL/RECOVER a Dataset [SEC=UNCLASSIFIED]

Hello Michael,

RECALL
Try online
TSO HRECALL 'fully.qualified.dataset.name' NOWAIT

For batch a colleague had to write a rexx to conditionally recall
datasets as the first step of the job, or an entire sequence of jobs. It
uses catalog search to decide if the dataset(s) needs recalling, thus
avoiding issuing superfluous HRECALLs for non-migrated datasets. Too
many of the latter can clog the tape management system.

That was a detailed piece of work, but the really hard bit is persuading
numerous teams to bother to change their JCLs to use such a rexx instead
of just letting datasets recall one by one.


RECOVER
A different beast, now you have to dig into your tape archiving system
and see what if any backup exists for a given file. It has to be
recovered, I presume, before you can even schedule the dependent jobs.
Surely this is more like an error situation deserving a bit of human
involvement...?

Regards & inexpertly yours,
Jim
Canberra

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@xxxxxxxxxxxx
Behalf Of Michael Knigge
Sent: 14 Sep 2007 17:10
To: IBM-MAIN@xxxxxxxxxxx
Subject: How to RECALL/RECOVER a Dataset

All,

I wonder how can I recall/recover a migrated dataset. Of course I don't
just want to open the file - then my application would be blocked until
the dataset is online again.



Thank you,
Michael

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