Previous topic |
Next topic |
Contents |
Contact z/OS |
Library |
PDF
Casting out Changed Data z/OS MVS Programming: Sysplex Services Guide SA23-1400-00 |
|
When you write changed data to the cache, you must assign the data
to a cast-out class. Cast-out class assignments help to implement
the cast-out process whereby changed data from the cache structure
is written to permanent storage. Until the data item is successfully
cast out from the cache structure, the system cannot reclaim resources
for the changed data item. The system considers a data item to be
changed, and thus ineligible for reclaim, if either of the following
conditions is true:
For more information about casting out data, see Casting out Data or Updating Permanent Storage. |
Copyright IBM Corporation 1990, 2014
|