Memorex LOCK - VERSION 2-24 Información técnica Pagina 291

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Multi-Dataset Processing
User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
7-23
The following describes the options used in the examples above.
Additional options used in the read step are:
Example 5 Whenever a subdataset such as VERY.LONG.NAME.FOR.NEWSUB.3
is accessed, the prime dataset name must be referenced in the JCL. The
following example shows how VERY.LONG.NAME.FOR.NEWSUB.3
can be read as input.
Option Action
DSN='xxxx(+0)' Sets the generation dataset. Use (+0) in
parentheses to indicate that this is a generation
dataset. See the BIM-EPIC Installation and
System Guide for additional information.
OPTION=(SYS010) Inhibits LUB allocation for this dataset. This is
equivalent to TLBL option code 64. In addition,
this forces the use of SYS010, which has no
TLBL equivalent.
UNIT=TAPE Tells BIM-EPIC to use a tape for the data. This
would be determined in standard VSE JCL by
using a TLBL.
FREE=END Holds the assignment at close for all but the last
dataset processed. This is equivalent to TLBL
option code 8.
DISP=(NEW,KEEP) Sets two parameters. The NEW subparameter
indicates that this dataset version will be created
as output. The KEEP subparameter causes the
tape to be unloaded at close unless
VOL=(,RETAIN).
VOL=(,RETAIN) Inhibits rewinding the tape at close and overrides
the DISP subparameter KEEP. This is equivalent
to TLBL option code 3.
VOL=(PRIVATE) Causes the tape to be unloaded at close. This is
equivalent to TLBL option code 2.
Option Action
DSN='xxxx(0)' The zero (0) in parentheses indicates that the
current version, version 1, is to be processed.
DISP=(OLD,PASS) The OLD subparameter indicates that this dataset
version already exists and will be read as input.
The PASS subparameter indicates that this tape is
used later in the step or in a subsequent step of
this job.
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