When I was with IBM Education, we used to run class labs on minimal z/OS
(OS/390, MVS/...) systems as VM guests. The volumes were VM mini volumes just
as large as needed. If VM is still the base for those labs, I'm pretty sure
there still are volumes of various small sizes.
Not sure however if
John,
I'm not sure what you mean by "general use."
For HDS Business Continuity Manager software some customers will allocate a
small volume for the command devices (let's say 10 cyls), often using the odd
cyls left over on a Parity Group after formatting a bunch of common sized
volumes (-3, -9
