When you allocate DASD for new minidisks, CA VM:Director searches only the subpool that you request by name for available space. However, you can have CA VM:Director search several subpools at the same time by requesting that it search categories of subpools. The categories can vary over time because they are based on the subpool definitions you include in the VMDIRECT MANAGERS file; if you change the subpool definitions in that file (for instance, if you change the subpools that a directory manager can allocate from), these keywords specify different subpools.
CA VM:Director searches a subpool list according to the order in which the MANAGERS file lists the subpools. Because you can change a manager’s subpool list dynamically and the order of subpools (SUBPOOL records) in the DASD CONFIG file, you can change the search order dynamically.
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