Memorex LOCK - VERSION 2-24 Dokumentacja Pobierz pdf (Strona 209)

Activating and Deactivating BIM-EPIC Configuration Option Descriptions

Chapter 5. Activating and Deactivating BIM-EPIC 5-27

UNLOAD=YES causes tapes to be unloaded at close automatically, unless there is already a

TLBL option code 1 (rewind), 2 (unload) or 3 (no rewind) in effect. UNLOAD=YES

overrides any explicit or default rewind options by setting the DTF to rewind at open and

unload at close.

UNLOAD=NO (the default) causes BIM-EPIC to honor any rewind options specified in the

DTF unless they are specifically overridden by a TLBL option code.

For IBM 3494 ACL’s controlled through VGS, set to YES or NO.

For IBM 3494 ACL’s controlled through LCDD, no need to specify.

For STK and Memorex ACL’s, no need to specify.

VGSFTAPE=YES (the default) specifies that a free ACL tape drive must be available for any

request that EPIC makes to the 3494 (Mount, Scratch, Eject). This was a requirement in the

original IBM RMS support for 3494’s. (Free means the drive is not attached to any VM Guest

Machine)

VGSFTAPE=NO specifies that an unused ACL tape drive does not need to be available for

non-mount requests made to the 3494 (Scratch, Eject). Do not code “NO” unless your

installation is using VM/ESA Version 2, Release 2 or above. Early versions of this release

level may require an IBM APAR to DFSMS RMS to be installed. If ACLAUTI=YES is also

specified, NO will be temporarily replaced with YES for ACL SYNC processing since a

cartridge may need to be mounted and initialized during synchronization processing.

Activates VM support. The default is VM=NO.

VM support is required for Autoattach and JMCL CP command processing.

VM support is also recommended for VSE guest machines running under VM even if

autoattach is not being used. In this type of environment, VM support causes BIM-EPIC to

limit AVR scans to tape drives already attached to the VSE guest. Without VM support, tape

drives defined to the VSE guest but not attached to a real device must be “deviced down" to

prevent BIM-EPIC access during AVR scans. Failure to do so results in the VSE error

OP31A DVC NOT OP on any VSE tape drive not attached to a real device.

YES activates VM support with a supervisor call of 111.

n activates VM support with a supervisor call of your choice. Use this option if SVC 111 is

already being used for another call. Specify a free SVC number for n.

NOTE: If the SVC number activated is already in use, BIM-EPIC issues an error message. It

does not overlay existing SVC code. If this occurs, choose a new SVC number with the n

option.

NO deactivates VM support.

Related Configuration Options: ACLMEM, ACLSRVR, AUTOATT, ERDFILE, MSG088

VGSFTAPE

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Memorex LOCK - VERSION 2-24 Dokumentacja Strona 209