Hi all,

I am looking for a way to pre-format a VDISK to be used as Linux swap
space.
I have come upon the SWAPGEN.EXEC at
http://www.sinenomine.net/vm/swapgen and have a few questions.

Linux Guest config on zVM 5.2:
  OS: 64-bit RHEL4
  MEM: 4GB
  SWAP: 4 512MB VDISKs

The verbiage on the sinenomine site makes me believe that I am unable to
use the DIAG functionality of the SWAPGEN.EXEC since I am using a 64-bit
Linux OS.  Is this true?  The recently published SLES9/RHEL4
Virtualization Cookbook Redbooks seem to be using the 64-bit versions of
the Linux OS while still using the SWAPGEN.EXEC.

Also, am I unable to use the DIAG functionality since my Linux Guest
machine has 4GB of memory?  The following text from the same sinenomine
site leads me to believe this as well: "the DIAG discipline (which only
works for machines with < 2GB of virtual storage)..."

If I cannot use the "DIAG discipline", will the FBA/RXDASD still work
with the 64-bit OS with 4GB of memory?

Any feedback will be greatly appreciated.

Thanks,

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

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