Hi Kees,
Hitachi USPV. Very little IOSQ time, so no PAV. Looks like mostly
disconnect time.
Thanks!
BobL
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of
Vernooij, CP - SPLXM
Sent: Tuesday, March 20, 2012 2:02 AM
To: IBM-MAIN@bama.ua.edu
Subject: Re: DASD Mod9/Mod54
"Lester, Bob" <bles...@oppenheimerfunds.com> wrote in message
news:<8f672be771329649a9eb59c7d9d6a2d9521e8...@den-xmail01.den.ofi.com>.
..
> Hi Folks,
>
> With todays' modern disk arrays, is there any reason (z/OS based
or other) that response time for my Mod54s is consistently higher than for my
Mod9s?
>
> Assume identical workload against each, single array with
multiple LCUs. RMF says the LCUs are pretty well balanced. Single image.
Pretty simple setup.
>
> Thoughts?
>
> Thanks!
> BobL
>
Which storage device?
Do you use PAV / Hyperpav?
Kees.
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