On Sat, 23 Sep 2006 17:36:01 +0000, Ted MacNEIL <[EMAIL PROTECTED]> wrote:

>>Whether or not you feel WLM is somehow deficient at managing such
>>segregated workloads is pretty
>>much immaterial (again, IMO) and of course as usual, YMMV.
>
>When I implemented GOAL MODE at the Bank of Nova Scotia in 1999, there
>were a lot of deficiencies.
>
>Mixing TSO, Onlines, and Batch were one!
>We ended up moving TSO to two LPAR's (Generic Resource) and taking
>Batch off of two, to guarantee throughput.
>
>One image was also restricted to no TSO using ACF2 resource rules.
>
>We have seen similar problems where I am now.
>TSO does not work well with Onlines and Batch on a constrained environment.
>(Yes, I know, but I can only recommend the upgrade, not approve it).

Your experience.  Mine differs.
>
>AND, don't get me started on MTTW.
>We trip over this all the time.

Don't you have any discretionary work?  Hard to imagine.

>We end up boosting some Batch to a higher Service Class, which hurts
>those left behind.
>AND, we end up with so much moved to high priority, that it doesn't
>matter anymore.
>
>And, TSO just makes it worse.
>If you have it high, so it is not erratic, you hurt everybody else.

High?  Are you talking about a velocity goal?  Importance?  IMHO,
first period TSO should be high importance.  Maybe not highest.

Don't confuse importance with priority.

>If you let it run low, you screw productivity.
>Neither is a good thing.
>So, it's better served on another LPAR without production.
>
What kind of resources does that LPAR have that are not available
to other LPARs?

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