Memorex LOCK - VERSION 2-24 Especificaciones descargar pdf (Pagina 205)

DD Statements for Tape and Disk Datasets OPTION Parameter

Chapter 6. BIM-EPIC DD Statements 6-27

Overrides configuration options ALLMALL=NO (default) and ALLMSG=NO for this dataset

in the current job step only. It enables all allocation messages for the disk dataset. This

subparameter performs the same function as the BIM-EPIC DLBL option 'M'. The

ALLMSGS subparameter is valid for disk datasets only and is ignored if specified for a tape

dataset.

Specifies the DD name used in a previous DD or DLBL statement to define this dataset's

VSAM catalog. Use this parameter only when you are defining a VSAM dataset. It will

override any JOBCAT or STEPCAT statement for the dataset.

Specifies the CISIZE to be used for an FBA disk dataset according to IBM rules. NOTE: If

the dataset is a Start Track 1 dataset and CISIZE= is specified, specification of the maximum

number of secondary extents in the VOLUME parameter is ignored.

OPTION=NOREW can be used to not rewind the tape at close. It overrides any rewind

option defaulted to by the DISP or VOL parameters.

Specifies that the control of a dataset by the Generic Device Independence for Unit Record

(GDIUR) feature is to be ended. If OPTION=RESET is used, it must be the only parameter

specified on the DD statement, and no other OPTION subparameter can be used.

A DD statement with OPTION=RESET is only required when the job contains no TLBL,

DLBL, or DD statements in any step following the DD statement that was used to invoke

GDIUR control of the dataset. The ddname on the DD statement that specifies

OPTION=RESET must be the same as the ddname on the DD statement that was used to

invoke GDIUR control of the dataset.

In this example, SYSIPT control statements are read by the first LIBR execution from the tape

or disk dataset "SYSIPT.DATA". The second DD statement for IJSYSIN with the

OPTION=RESET insures that the SYSIPT control statements for the second LIBR execution

will be read from the instream data, not from the "SYSIPT.DATA" dataset.

* //IJSYSIN DD DSN=SYSIPT.DATA,DISP=OLD

// EXEC LIBR

* //IJSYSIN DD OPTION=RESET

// EXEC LIBR

LD L=IJSYSRS

OPTION=REW can be used to rewind the tape at close. It overrides any rewind option

defaulted to by the DISP or VOL parameters.

ALLMSGS

CAT=ddname

CISIZE=nnnn

NOREW

RESET

RESET Example

REW

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Memorex LOCK - VERSION 2-24 Especificaciones Pagina 205