ARC0151I
DAYS=days1, ML1DAYS=days2, PRIMARYSPMGMTSTART=(time1 time2 | NONE), MAXMIGRATIONTASKS=nn, INTERVALMIGRATION={YES | NO}, MIGRATIONCLEANUPDAYS=(days3 days4 days5), SDSP={number KB | NONE}, MIGRATION PREFIX=mprefix, SCRATCH EXPIRED DATA SETS={YES | NO}, SECONDARYSPMGMTSTART=(time1 time2 | NONE)

Explanation

A QUERY command was issued with the SETSYS parameter. This message is issued by DFSMShsm to describe its current operating environment. System defaults include:
  • days1 indicates the number of days a data set is not used before it is eligible for automatic primary space management.
  • days2 indicates the number of days a data set is not used before it is eligible for level 1 to level 2 migration.
Times set for automatic primary space management:
  • time1 (hhmm — hours, minutes) indicates the earliest time automatic primary space management can start.
  • time2 (hhmm — hours, minutes) indicates the latest time automatic primary space management can start and the time automatic primary space management will not start processing any additional volumes. If SETSYS PRIMARYSPMGMTSTART was issued to set up the automatic primary space management times and NONE appears in this field, then the ending time was either not specified or was specified as 0. If SETSYS AMSTART was issued, time2 represents the ending time (time3) and NONE appears if it was either 0 or not specified.

MAXMIGRATIONTASKS is the maximum number of automatic migration (Automatic Primary Space Management and Interval Migration) tasks that can run concurrently.

If INTERVALMIGRATION=YES, DFSMShsm is permitted to perform interval migration.

If INTERVALMIGRATION=NO, DFSMShsm will not perform interval migration.

The variables for MIGRATIONCLEANUPDAYS are:
  • days3 indicates the number of days that must elapse before the migration control data set (MCDS) data set record for a recalled data set is deleted, if the data set is not a candidate for reconnection.
  • days4 indicates the number of days that must elapse before the migration control data set statistics records (VSR and DSR) are deleted.
  • days5 indicates the number of days that are added to the predicted date of remigration for a recalled data set that is a candidate for reconnection. The predicted date is based on the inactive age of the data set when last migrated. The resulting sum represents the date on which the migration control data set record can be deleted.

If small data set packing is being performed, the number of kilobytes is always shown even when the data set size eligibility limit was originally specified in tracks. Any data set whose size is equal to or less than the value specified with the SMALLDATASETPACKING parameter of the SETSYS command is a candidate for packing into a small data set packing data set when it migrates.

If no small data set packing is being performed, SDSP=NONE is indicated.

If SCRATCH EXPIRED DATA SETS=YES, DFSMShsm scratches expired data sets during space management processing.

If SCRATCH EXPIRED DATA SETS=NO, DFSMShsm processes the data sets during space management as if the expiration date had not been reached.

Time set for automatic secondary space management:
  • time1 (hhmm — hours, minutes) indicates the earliest time automatic secondary space management can start.
  • time2 (hhmm — hours, minutes) indicates the latest time automatic secondary space management can start and the time automatic secondary space management will not start processing any additional data sets. If NONE appears in this field, then the ending time was either not specified or it was specified as 0.

System action

DFSMShsm processing continues.

Programmer response

None.

Source

DFSMShsm

Parent topic: ARC messages