When should you upgrade to a new operating system?
z/OS
About every 6 months
What is meant by maintenance?
Usually PTF's. (Program Temporally Fix)
When should you apply maintenance?
System Maintenance
Receive often, apply when needed
Sub-System Maintenance
Receive often, apply when needed
Product Maintenance
Receive often, apply when needed
Accept APARS
As a general rule, Apars are never accepted. Later
maintenance will usually supercede the Apar. If the Apar turns out to be bad,
then it can be restored, which you can't do if the Apar is accepted.
Eric Bielefeld
(IBM-Main Discussion Group)
I totally agree and I'm sure everybody else does too!
When should you upgrade sub-systems?
CICS
DB2
IMS
NCP
When should you upgrade your ISV products?
Before a z/OS system upgrade
When should you upgrade your User Mods
User Written Products / Exits / MODS - ONLY IF YOU HAVE
TO!
Before a z/OS system upgrade |