
Controlled Datasets Disk Processing
7-8 User Reference
Disk Processing
Controlled Datasets
For most controlled datasets, the EXTENT statement is ignored. 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" in this chapter for details.
To change the extent size from the size in the EDD, use the DLBL statement with the "O"
option in the dataset name and use the EXTENT statement as you would for VSE. All
parameters except the number of tracks/blocks on the EXTENT are ignored.
// DLBL DISKIN,'==.WORKFILE.1,(O)'
// EXTENT SYS004,SYSWK1,1,0,5,210
This dataset is created with a primary extent size of 210 tracks, overriding the primary extent
size in the EDD.
EXTENT
Statements
Example
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