Change bit is not correctly set and used

Document ID : KB000030760
Last Modified Date : 14/02/2018
Show Technical Document Details

In a Data Center the change bit is no longer correctly handled.

This is seen with SORT job to copy data to a newly allocated Data Set and the change bit is not set. 

This makes the data set not correctly Backup or Archive by Ca Disk.

The problem is seen with IBM z/OS 2.1  RSU1412 plus Hiper PTF and the missing PTFs to install are:

UA76020 UA76024 UA76025 UA76026 UA76034 UA76076 UA76142 UA76154 UA76424 UA90750 UA90753 UA90762 UA90767 UA90770 UA90771 UA90772 UA90780 UA90783 UA90789 UA90971 UI24519 UI24520 UI24538 UI24762 UI24962 UI25406 UI90017 UO01763 UO01765 UO01766