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Hi Scott

as a matter of interest are these jobs designed to take advantage of
blocking/sequential access to minimize disk access ?

Anyone - is there a way to see that blocking is being utilized other than
trying to use the open files WRKJOB display ?

Regards
Evan Harris

>Charly,
>
>I use WRKDSKSTS and look at the % busy over a period of time, the guideline
>is that this number be below 40%.  When we run certain jobs that move a lot
>of data around this number will be over 40% on almost all drives when
>sampled for a period of time.  I'm not sure how to dig out the other
>information you have but I do know we have 12 of the 17GB drives in a single
>ASP that is 50% full.  It took us awhile to figure out why the performance
>would go bad at times but finally figured out what was happening.  I will
>say that in general our performance is really good but we have certain jobs
>that move a lot of data and they cause problems, we have even started trying
>to run certain jobs at night to minimize the impact.
>
>Scott Mildenberger



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