Alternate Internal Volume Substitution (AIVS)
A facility that allows volumes created on another CA 1 system or a foreign volume to retain their original internal volume serial number, while assigning a new external volume serial number.
Auxillary Disposition
A facility that provides direct communication from the person setting up the job to the master console, tape operator, or tape librarian when the tape volumes are closed or reach end of volume.
Chain Pointer
The part of the tape control block that gives the address of the next data block.
Data Set Name Block (DSNB)
A data set used by file control to hold information relevant to the data set.
Execute Channel Program (EXCP)
A low-level file access system. The programmer provides a list of device-specific channel commands to be executed by I/O channels, control units, and devices.
External Data Manager (EDM)
A facility that allows systems such as the IBM Hierarchical Storage Manager (DFSMShsm) to
own
a CA 1 controlled volume and indicate when it should be returned to scratch status.iGateway and iSponsor
Free CA facilities that allow distributed systems products to provide data to CA 1.
Interactive System Productivity Facility (ISPF)
A set of panels used to interface with the CA 1 system.
Retention Data Set (RDS)
A facility that supplies the tape's expiration criteria.
Scratch Pool Management
A feature that restricts nonspecific output access to tape pools of CA 1 controlled volume ranges. If a tape is mounted from outside a requested scratch pool range, the tape is demounted and the request is reissued. If a tape from a defined pool is mounted for a non-pool request, the volume is demounted and the mount request reissued.
SMS Management Class
The class supplies data set migration, backup, and retention values, backup requirements, and class transition criteria.
Tape Management Catalog (TMC)
A facility used to store all necessary information associated with the tape volume.
User Data Field
A 50-byte field which stores any desired information about each volume record on the TMC.
Vault Management System
In an installation that has multiple tape storage locations, use this facility to control the movement of tape volumes from one location to another.
Vault Pattern Description (VPD)
A data set used to define movement criteria, location IDs, and data set names. Data sets can be identified by a high-level qualifier, be fully qualified or identified by pattern masking specification. Vaults and movement information can be added, changed, or deleted by editing and redefining the VPD.
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