Hi Peter
I added some functionailtiy to EasySMF to try to answer this sort of
question.
You need the SMF type 75 and type 30 (all subtypes) records.
Select the RMF Paging Activity: Page Dataset Usage report, and select
the system you are interested in. Click and drag on the chart to select
the time range where the usage is increasing.
Then select the Job Status: Job Status During Interval report. This has
columns with the delta and maximum for various storage areas for each
job from the type 30 records. Click the column headers to sort. The
values are high water marks. You would be most interested in anything
with a large delta (increase in storage usage) or anything with a large
maximum that was complete during the time period i.e. caused other
things to page out. Jobs/address spaces that Started during the time
period might also be interesting.
You can download a 30 day trial version from:
http://www.smfreports.com/download.html
If you try it I would be interested to know if anything shows up.
Regards
Andrew Rowley
Black Hill Software
On 23/10/2014 17:44, Peter Hunkeler wrote:
It seems, we've got enough real storage and enough Flash Memory. There is
hardly any paging. We've got two local page data sets mainly because VIO paging
will not go to Flash Memory.
We're starting to see local page data set usage at ~30%. I conclude that this
must be VIO data being paged out.
I'm not very fluent in using neither RMF, nor MAINVIEW. I'd like to find out
which AS is causing this AUX usage. Not that I'd currently think, we're in
touble. Just curious. Does anyone have some hints where to start?
--
Peter Hunkeler
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