<miller.ryan AT principal DOT com> wrote
>>The idea of moving off of OS/390 is because we are taking too much CPU
and weekly IPLs.

Why weekly ipls? One of the big advantages of mainframe technology is that
ipls are (should be) infrequent
If your TSM is in a sharing lpar the TSM dispatching priority can be set so
that it does not impact on higher
profile work. I say higher profile because backups are generally not
regarded as important, until they are needed. If your processor/s cannot
truly cope with the workload, what about an upgrade, and maybe a separate
lpar for TSM, so that nobody can argue that it is taking too much cpu.
At the end of the the day a move to a new platform can be worthwhile, but
only as long as the full costs and
benefits are taken into account.



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