I realize that this is a year old but I am trying to get a definitive
answer about the earliest release of z/OS that will successfully use a
VSWITCH as a guest.
We sometimes have to resurrect an old z/OS release to solve a customer
issue. I have been successful with z/OS 1.4 but now we
Be sure to account for some software that does not like the time
changing while it is running.
We shutdown the following until after the SET TIMEZONE command is
issued; you may other ones:
1. SMTP - be sure to stay logged on after shutting it down so TCPIP
doesn't AUTOLOG it back on.
2.
It appears that DTCREACC is different than the IBM internal REACC in
that no options are permitted (at least I couldn't get any to work).
Also, if you had originally ACCESSed a disk with the MODE0 option,
DTCREACC does NOT keep MODE0 when it ACCESSes the
disk again.
Thanks Chuckie for sharing
