z/OS is only using about half the subchannels that you defined (to mitigate
path busy conditions). I don't think you have a subchannel issue. Your sync
times are very nice. Your async times are horrific. That is most likely the
problem. Async completion time is influenced by such things as
-MAIN
Subject: Re: CF REPORT
Subchannel activity (report 2) includes all (roughly 18 million) requests from
the indicated source system to the CF, whereas structure activity (report 3)
only includes the (roughly 8 million) requests targeted to the indicated
structure. 12 million delayed out of a
>But but there are other causes for delay (such as dump serialization) that
>could be factors.
Apart from dump serialization, what else? CPU constraints in the CF? CF
internal serialization?
--
Peter Hunkeler
--
For IBM-MAIN s
Subchannel activity (report 2) includes all (roughly 18 million) requests from
the indicated source system to the CF, whereas structure activity (report 3)
only includes the (roughly 8 million) requests targeted to the indicated
structure. 12 million delayed out of all 18 million requests to t
