Memorex LOCK - VERSION 2-24 Technical Information Seite 110

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BIM-EPIC Tape Selection Process
2-46 User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
BIM-EPIC Tape Selection Process
Description IM-EPIC controls which tapes can be used for output by checking the
volume serial number of every tape processed. If the tape is controlled,
the serial number is compared with the corresponding DSN Catalog entry
for scratch status before the tape is used as output.
If the tape is uncontrolled, BIM-EPIC checks to see if the volume serial
number was initialized by VSE DITTO and if it is in expired status. If
both conditions are not met, BIM-EPIC does not use the tape. If no
qualified volumes are found, the operator is requested to mount a tape.
If the operator is requested to mount a tape, it must be a valid scratch tape,
and if a “mount for Pool x” is part of the request, the volume must be
within the serial number range defined for “Pool x.”
If revolving tapes are used, BIM-EPIC issues a general request for a
scratched revolving tape for that dataset.
For input tapes, BIM-EPIC scans the tape drives looking for the required
volume serial number. If the volume serial number is not found, the
operator is requested to mount the tape. If the tape is not mounted,
BIM-EPIC requests the operator mount the volume serial number of the
last tape used for that multi-file group.
Note:Note:
BIM-EPIC-controlled tapes cannot be used to write an uncontrolled
dataset.
ACL Support If Automatic Cartridge Library (ACL) support is activated, BIM-EPIC
checks to see if the required volume is in an ACL, and of so, instructs the
ACL to mount the volume. If the volume is not in the ACL, the previously
described “non-ACL” logic is followed.
ACL cartridges for BIM-EPIC controlled tapes should never be mounted
by the operator. BIM-EPIC expects to issue the mount request to the
ACL. If the operator does a manual mount, the results are unpredictable.
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