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VxVM is optimally tuned for most configurations ranging from small systems to larger servers. In cases where tuning can be used to increase performance on larger systems at the expense of a valuable resource (such as memory), VxVM is generally tuned to run on the smallest supported configuration. Any tuning changes must be performed with care, as they may adversely affect overall system performance or may even leave VxVM unusable.
VxVM and DMP parameters can be tuned using the vxvoltune and vxdmptune utilities.
See "Changing the values of tunables" on page 473.