DFSMSdss Data Mover

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DFSMSdss Data Mover

The Concurrent Copy support was implemented into CA Disk by interfacing to the DFSMSdss data mover directly. No specific action needs to be taken in order to use this support.

Before using the Concurrent Copy support, you should be aware of the following informational items:

All messages issued from the BACKUPCC command are CA Disk messages.
All output ARCHVOLS are written in CA Disk format. They cannot be used as input to a DFSMSdss restore.
All data set organizations are supported. For a list of these organizations, see the following table.

Value	Definition	Value	Definition
AM	Access Method (VSAM)	PDS	Partitioned
DA	Direct access	PO	Partitioned
HFS	HFS	PS	Sequential
INVALID	Invalid pattern of DSORG bits in format-1 DSCB	SEQ	Sequential
IS	Indexed Sequential (ISAM)	UNKNOWN	No DSORG bits on in format-1 DSCB
ISAM	Indexed Sequential (ISAM)	VSAM	VSAM

When processing VSAM clusters, only the base cluster is contained in the DSNINDEX record. However, the BACKUPCC sysout will report on all components, such as AIXs. During the restore process, CA Disk will recover the base cluster as a unit, including all paths and alternate index information.
In order for a candidate data set to be processed, it must be cataloged.