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implementation of the Improved Cartridge
Recording Capability (ICRC) tape data compaction
feature for storage level 0 in this Archive Manager
database.
The available options are:
ON
ICRC is always enabled when
writing data to storage level 0 in
this Archive Manager database.
OFF
ICRC is always disabled when
writing data to storage level 0 in
this Archive Manager database.
DEFAULT
The system default ICRC setting
is used when writing data to
storage level 0 in this Archive
Manager database.
If no entry is made in this field, the default value
used is 'DEFAULT'. If ICRC is not available,
specify a value of 'DEFAULT' in this field, or allow it
to default.
Dynamic load Optional entry. When dynamic load balancing
balancing (DLB) is enabled, Archive Manager will
automatically retry a batch or online retrieval
request from a designated backup copy when a
‘resource unavailable’ condition has been detected,
or when the maximum request queue length has
been reached for online retrieval from a primary
tape dataset (i.e. in conditions when Archive
Manager would generate a return code of ‘21’ if
dynamic load balancing is not enabled - refer to the
description of return code ‘21’ in chapter 8 for a list
of these conditions). If the retry request
subsequently fails with the same condition, Archive
Manager will generate a return code of ‘21’ as
normal.
To enable dynamic load balancing, enter the 1character identifier of the database copy to be used
for automatic retry of the retrieval request (‘B’, ‘C’
or ‘D’). Note that for performance reasons, the
database copy specified here should be available
for automated processing.
Enter a value of ‘ANY’ if any available backup copy
is to be used to satisfy dynamic load balancing
processing. When a DLB value of ‘ANY’ is in
Archive Manager User Guide
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