My past installations have used 4 same-sized v-disk areas with ascending
priorities. I was under the impression that Linux references an entire
v-disk when it goes to swap, so smaller v-disks would be more efficient.
But I'm not sure that's completely true. I want to simplify the fstab
configuration and reduce the potential memory footprint, so I'm thinking
of 1 moderate size v-disk, backed by 1 larger lower-priority DASD. The
pair can be sized to whatever the applications require.

Does anyone have a swap setup that optimizes performance and resource
usage, i.e., more small v-disks vs fewer big ones, inclusion of real
disk, etc.?


Ray Mrohs
U.S. Department of Justice
202-307-6896

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