Please! I appreciate everyone's input on this problem...
To answer why... This is a very high I/O file with delays. Mainline, the
company assisting with the performance study, suggested splitting the DATA
and INDEX component.
Thanks for all the replies...
*
*
*George Rodriguez*
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On Wed, Jun 20, 2012 at 12:53 PM, Baraniecki, Ray
ray.baranie...@morganstanleysmithbarney.com wrote:
John;
At Morgan Stanley we split the index and data all the time. We are
outsourced to IBM Global Services and it is their ACS routines that do
this. On the DEFINE control statements in the INDEX component the VOLUME
parameter looks like VOL=(I * * * * *) where the I is a pseudo volser and
the * are secondary volsers. On the DATA component we specify VOLUME=(D *
* * * *) where the D is also a pseudo volser and the * are secondary
volsers.
I will contact IBM to obtain the details if you like. Please let me know.
Thanks;
Ray Baraniecki
Morgan Stanley Smith Barney
1 New York Plaza - 18th Floor
New York, NY 10004
Telephone: 212-276-5641
Cell: 917-597-5692
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@listserv.ua.edu] On
Behalf Of McKown, John
Sent: Wednesday, June 20, 2012 12:09 PM
To: IBM-MAIN@listserv.ua.edu
Subject: Re: Splitting the DATA and INDEX Components of Extended
Addressing Dataset
-Original Message-
From: IBM Mainframe Discussion List
[mailto:IBM-MAIN@listserv.ua.edu] On Behalf Of George Rodriguez
Sent: Wednesday, June 20, 2012 10:34 AM
To: IBM-MAIN@listserv.ua.edu
Subject: Splitting the DATA and INDEX Components of Extended
Addressing Dataset
I'm hoping that someone can help me out here...
Is there a way through the ACS routines to allocate the DATA
component on
one disk volume and the INDEX on another and are you willing
to share the
code or knowledge?
Thanks in Advance!
Interesting question. My gut feel is that you can't do this. But I do
wonder what would happen if the STORGRUP ACS routine mapped the different
components of a VSAM cluster into different storage groups, which would put
them on different volumes. I do know that the components must reside in the
same STORAGE CLASS. And that the STORGRUP ACS routine is not forced to map
a given STORCLAS to a single STORGRUP.
--
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Systems Engineer IV
IT
Administrative Services Group
HealthMarkets(r)
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