Hi,
what kind of disk cabinet are you using: IBM disks or any other?



*Gonzalo Cengotita*

2016-08-16 14:54 GMT+02:00 Martin Packer <martin_pac...@uk.ibm.com>:

> If you're looking at 74-8 you might want to see the RATE to those
> adapters, as well as the Response Time. My - admittedly embryonic - code
> does that. Near-zero-rate would bear out your other source of information.
>
> Non-zero rate might point to an issue on the links. In the past I had to
> tell a customer their cross-town links not rated to currents speeds were
> in fact failing. 1Mbit vs 4, I think.
>
> But I'll admit I don't know what "CQUERY" is.
>
> Cheers, Martin
>
> Martin Packer,
> zChampion, Principal Systems Investigator,
> Worldwide Cloud & Systems Performance, IBM
>
> +44-7802-245-584
>
> email: martin_pac...@uk.ibm.com
>
> Twitter / Facebook IDs: MartinPacker
>
> Blog:
> https://www.ibm.com/developerworks/mydeveloperworks/blogs/MartinPacker
>
> Podcast Series (With Marna Walle): https://developer.ibm.com/tv/mpt/    or
>
> https://itunes.apple.com/gb/podcast/mainframe-performance-
> topics/id1127943573?mt=2
>
>
>
> From:   Martyn Jones <mjo...@cptglobal.com>
> To:     IBM-MAIN@LISTSERV.UA.EDU
> Date:   16/08/2016 13:16
> Subject:        High disconnect times and PPRC
> Sent by:        IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU>
>
>
>
> Our client is experiencing delays due to high disconnect times in a PPRC
> environment.
>
> These problems do not appear to be due to high traffic, nor can I see any
> obvious pattern to their occurrences.
>
> Looking at the PPRC statistics from the RMF type 74-8 records, I can see
> two adapters out of the 10 used that have average responses up to 42 times
> those of the other links.
>
> Using the CQUERY command however, I can find no devices that show these
> links being used (on any sub-channel).
>
> Anybody got any suggestions where else I could look?
>
> Martyn
>
>
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