/sys$common/syshlp/HELPLIB.HLB  —  Sys Parameters, VCC_MAXSIZE
    (Alpha and Integrity servers) The static system parameter VCC_
    MAXSIZE controls the size of the virtual I/O cache. VCC_MAXSIZE,
    which specifies the size in blocks, is 3,700,000 by default.

    The virtual I/O cache cannot shrink or grow. Its size is fixed at
    system startup.

    To adjust the XFC size, use the VCC_MAX_CACHE system parameter.

    VCC_MAXSIZE is an AUTOGEN parameter.
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