
Controlled Datasets
User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
7-9
Disk Processing
Controlled Datasets
EXTENT
Statements
For most controlled datasets, the EXTENT statement is not used. An
EXTENT statement can be required when you process direct access (DA)
datasets or any datasets with programs that use PIOCS processing. See
“
Physical IOCS Processing” for additional information.
If you want to use a different allocation than the one specified in the
EDD, use the DLBL statement with option O in the dataset name and use
the EXTENT statement as you would for VSE. All EXTENT parameters
except the number of tracks/blocks on the EXTENT are ignored.
Example The following example creates a dataset with a primary extent size of 210
tracks, overriding the primary extent size in the EDD. Except for the
“number of tracks” specification (210), all items in the EXTENT are
ignored by BIM-EPIC.
// DLBL DISKIN,'$$$.WORKFILE.1,(O)'
// EXTENT SYS004,SYSWK1,1,0,5,210
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