Memorex LOCK - VERSION 2-24 Informacje Techniczne Strona 251

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OPTION Parameter
User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
6-35
SPACE=*.ddname[x] Specifies that the primary extent allocation will be
based on the amount of space used by the dataset
previously defined in the same job step. Use the
ddname parameter to identify the dataset. RLSE is
automatically invoked with SPACE refer-back.
There are several ways you can specify the size of
the allocation:
To specify dataset is to be exactly the same size
as the referenced dataset, use the format:
SPACE=*.ddname
To specify a dataset is to be larger than the
referenced dataset by an exact number of tracks
or FBA blocks, use the format:
SPACE=*.ddname+n
where n is the number of tracks or FBA blocks
to be added to the size of the referenced dataset.
To specify that a dataset is to be smaller than
the referenced dataset by an exact number of
tracks or FBA blocks, use the format:
SPACE=*.ddname-n
where n is the number of tracks or FBA blocks
to be subtracted from the size of the referenced
dataset. An error will result if the calculated
allocation is not a positive number.
To specify that the size of the dataset is to be a
percentage of the size of the referenced dataset,
use the format:
SPACE=*.ddname*n
where n is a number between 000.01 and
999.99. Leading zeroes are not required.
If the referenced dataset is cataloged, the
allocation will be based on the amount of space
the referenced dataset actually occupies. This
space includes the sum of the primary extent
allocation and all secondary extent allocation. If
the referenced dataset is uncataloged, the
allocation will be based on the amount of space
in the primary extent of the referenced dataset.
The following DD statement defines the
referenced dataset.
* //REFFILE DD DSN=dataset-name,DISP=SHR
Subparameter Definition
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