I would strongly recommend not doing this...it puts all of your eggs in one basket, so to speak. Especially if this is aging to be a production system, you should consider moving some of the CP data area that are normally kept of RES off to another volume. A good candidate is one of the CP parm files, and perhaps the CP directory area.

Morris, Kevin J. (LNG-DAY) wrote:
I just did a fresh install of zVM 5.3 using a MOD9 for the RES volume.
The RES still has ~1500 cylinders free.  Is it possible (or advisable)
to format a few hundred of those cylinders as spool space and move all
of the NSS/DCSS segments on to the RES?  The zVM system does not have
access to any tape drives so I cannot use SPXTAPE.

Any help will be appreciated!
Thanks,

Kevin Morris
LexisNexis, a division of Reed Elsevier Inc.
z/OS System Engineering

--
DJ
V/Soft

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