Memorex LOCK - VERSION 2-24 Specifiche Pagina 191

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DD Statements for Tape and Disk Datasets DCB Parameter
Chapter 6. BIM-EPIC DD Statements 6-13
DCB Parameter
Use the DCB parameter to define the characteristics of your dataset. It overrides the DSN
Catalog entry on output, but not on input.
DCB=( [ BLKSIZE=x ][ ,DEN=x ][ ,DSORG=x ][ ,LRECL=X ] )
Subparameter Required? Valid Default
BLKSIZE No 1 to 32767 or MAX|OPT None
DEN No See DEN table (below) None
DSORG No See DSORG table (below) PS
LRECL No 1 to 32767 None
BLKSIZE specifies a block size. It is valid for sequential datasets only. MAX requests full
track blocking on disk, and for tape - 64K for VSE/ESA 2.5 and later, or 32K for earlier VSE
releases. OPT requests half-track blocking on disk, and for tape - 32K for VSE/ESA 2.5 and
later, or 16K for earlier VSE releases.
Description
Syntax
Subparameters
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