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System Options under z/OS

FILELBI System Option: z/OS



Controls the use of the z/OS Large Block Interface support for BSAM and QSAM files, as well as files on tapes that have standard labels.
Default: FILELBI
Valid in: configuration file, SAS invocation, OPTIONS statement, OPTIONS window
Category: Files: External Files
PROC OPTIONS GROUP= EXTFILES
z/OS specifics: all

Syntax

Syntax

FILELBI | NOFILELBI

FILELBI

The following maximum block sizes are supported:

  • 262,144 bytes for 3590 tapes

  • 65,535 bytes for 3480 and 3490e tapes

  • 32,760 bytes for direct access devices

NOFILELBI

blocks of size 32,760 bytes or less are supported.

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