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System Options under z/OS

DSRESV System Option: z/OS



Requests exclusive use of shared disk volumes when accessing partitioned data sets on shared disk volumes.
Default: NODSRESV
Valid in: configuration file, SAS invocation, OPTIONS statement, OPTIONS window
Category: File Control: EXTFILES
PROC OPTIONS GROUP= EXTFILES
z/OS specifics: all

Syntax
Details

Syntax

DSRESV | NODSRESV

DSRESV

reserves the device, which prevents other processors from accessing the volume on which the partitioned data set resides.

NODSRESV

enqueues the resources that are defined by the operating environment.


Details

The DSRESV option controls whether certain SAS utility procedures, such as PDSCOPY, issue the RESERVE macro instruction when they access partitioned data sets on shared disk volumes.

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