How can I add to a volume to a SMS managed data set with SPACVOLA function of MainView SRM StopX37/II

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    PRODUCT:

    MainView SRM StopX37/II


    COMPONENT:

    MainView SRM Allocation


    APPLIES TO:

    MainView SRM Allocation



    QUESTION:

    How can I  add a volume out of the primary SMS group for a SMS managed data set with the SPACVOLA function of MainView SRM Allocation (StopX37/II)


    ANSWER:

    MainView SRM Allocation (StopX37/II) can add  volume out of a primary SMS group for a SMS managed data set, but it makes use the DFSMS ACS routine when there is an Overflow group defined for the Storage group.  An Overflow specifies whether a pool storage group is designated as an overflow  storage group to handle periods of high demand for initial primary space allocations. If all volumes in a non-overflow storage group are so full that the current allocation request will push them over high threshold, while volumes in the overflow storage group are not so full, then the new data set will be allocated on a volume in the overflow storage group. The assumption is that all other attributes of the non-overflow storage group and overflow storage group and the volumes in those storage groups are the same. During initial allocation, volumes in an overflow storage group are less preferred than volumes in an enabled storage group but more preferred than volumes in a quiesced storage group. Therefore, overflow volumes are not placed on the primary volume list but can be placed on the secondary volume list. When an overflow storage group contains more volumes than a buffer storage group, specified volume counts might result in overflow volumes being preferred over volumes in the buffer storage group.
    An overflow storage group may also be specified as an extend storage group.


     


    Article Number:

    000174890


    Article Type:

    FAQ/Procedural



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