Datacom released Critical PTF LU12061. Should this PTF be installed ASAP or can it be installed in the normal maintenance cycle?
Z/OS
Datacom 15.1
When using VSAM linear data sets for Datacom system files or Datacom/AD using product data sets then install the PTF ASAP.
The option to use VSAM linear data sets in a DATACOM/AD new installation became only available very recently .
To check what type of data sets are used , run DBUTLTY REPORT AREA=CXX,TYPE=B .
The report has a line with DEVICE TYPE - 3390 xxxx where xxxx can be EXCP or VSAM .