DFSMS STORAGE ADMINISTRATION REFERENCE PDF

DFSMSdfp. Subtopics: Chapter 1. Introducing the Storage Management Subsystem · Chapter 2. Preparing for the Storage Management Subsystem. DFSMShsm Storage Administration Reference. This topic contains . HOLD, Prevents all or part of DFSMShsm’s functions from running. Also causes the data . Abstract for DFSMSdfp Storage Administration · z/OS information · Summary of . Example: storage class ACS routine specifying both volume reference and unit.

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In an SMS environment, the storage management functions defined in the management class and the storage group control the SMS-managed data sets in place of the parameter or command definitions within DFSMShsm. administrtion

Use the following commands and parameters to determine status: Combines the entries dfsm the journal data set with a restored backup copy of one or all of the control asministration sets. Uses fast replication to recover a single volume or a pool of volumes from the managed backup versions. If a command is running for a long time and is returning data to your terminal, you can be prevented from performing other operations at your terminal.

Creates a fast replication backup version for each volume in a specified copy pool. Deletes all eligible expired backup versions from all backup volumes. Deletes all the backup versions or specific backup versions of a specific data set.

Replacing cartridge-type tape volumes with their alternate volumes TRAP command: Removes a volume from the list of volumes managed by DFSMShsm and changes existing volume information. Other commands can also run for a long time. Creates a backup version of a specific data set.

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Table of Contents (exploded view)

Long-running commands are limited to having only one of each such command being performed by DFSMShsm at any time. This topic contains detailed explanations of the operator, storage administrator, and system programmer commands, which are listed in alphabetical order.

This command also corrects discrepancies in the common recall queue. Changes the number of backup versions maintained and the frequency of creating backup versions for a non-SMS-managed data set.

DFSMSdss Storage Administration Reference

Backs up aggregate groups of user-defined data sets for recovery at another location. A specific request number All requests for a particular user All requests for a particular data set.

DFSMShsm Storage Administration Reference This topic contains detailed explanations of the operator, storage administrator, and system programmer commands, which are listed in alphabetical order.

Displays the contents of locations within the DFSMShsm address refetence identified by an absolute address, a relative address, or a qualified address. The storrage command that is causing you trouble does not restart. Also causes the data set backup switchtapes action to occur immediately. Deletes one or more unneeded fast replication backup versions.

See Recovering control data sets using the enhanced CDS recovery function for the recommended way to recover ztorage data sets that run outside the DFSMShsm address space. Replaces references to original tapes with references to alternate tapes. Requesting a fast replication recovery HOLD command: It also defines the automatic backup cycle, the secondary space management cycle, the dump cycle, dump classes, the volumes for aggregate recovery, and times for automatically demounting tapes currently in use by data set backup.

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Moves eligible data sets from DFSMShsm-managed volumes to migration volumes or from migration volumes to other migration volumes. Use the following commands to directly manage data sets or volumes as opposed to the automatic management functions of DFSMShsm: Use the following commands to maintain and recover the control data sets and the DFSMShsm address space.

Update specific fields within the control data sets: Requests that DFSMShsm back up eligible data sets on one or more volumes, in one or more storage groups, or on all primary volumes; or that it back up the control data sets. Table 2 shows these commands and the SMS construct that assumes their functions.

Note, that the first four commands are only for diagnosis and repair. Moves all migration copies meeting a specified age criteria between Storabe migration or backup volumes. To stop such a command from interfering with your use of your terminal, have the computer system operator issue a HOLD command for the function that is causing the interference. Deletes a migrated data set without recalling the data set.