All CA VM:Tape scratch pools are defined in the scratch pool definition file.
Note: For information about setting up CA VM:Tape scratch pools, see Scratch Pool Definition File.
CA VM:Tape supports LMS scratch pools. However, LMS scratch pools cannot be defined through the CA VM:Tape interface to the LMS product, but must be defined by each site as part of LMS product configuration. For information about setting up LMS scratch pools, see the SUTMYN LMS Systems Guide.
CA VM:Tape is able to retrieve the LMS scratch pool definitions, which it compares with the CA VM:Tape scratch pool definitions. This is done when the interface to the LMS product is started (using the LMS START command) or when the CA VM:Tape REFRESH command causes CA VM:Tape to reconstruct scratch pools.
LMS defines scratch pool names for each volser range (referred to as a primary pool name) as well as sets of volser ranges (referred to as a composite pool name). CA VM:Tape scratch pool names can be 16 characters long, while LMS scratch pool names are limited to 13 characters. CA VM:Tape checks that all CA VM:Tape scratch pools are defined as LMS scratch pool names and that the volser ranges defined are the same. Any discrepancies are reported, but operation continues. Because the scratch pools that are defined to the LMS are independent from the CA VM:Tape scratch pools, it is very important that the tapes defined to LMS scratch pools match the tapes defined to CA VM:Tape scratch pools, or CA VM:Tape may behave unpredictably.
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