Hi Ben,
2 @ page data set. I can verify that on my simple sandbox which has 6
page data sets on a single volume there are 12 PAV's bound to that
volume from IPL.
Best Regards,
Sam Knutson, GEICO
Performance and Availability Management
mailto:[EMAIL PROTECTED]
(office) 301.986.3574
"He's ALIVE, Jim. Where did I go wrong?"
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Ben Alford
Sent: Thursday, July 13, 2006 11:59 AM
To: [email protected]
Subject: 3390 Mod-9 +
We migrated all of our mainframe DASD from an old unit to a new one last
year. We thought we would move practically all of the z/OS disks from
mod 3's to mod 9's (and we did).
One big technical challenge how to "fill up" a mod 9 from 2 or 3 mod
3's. We used a great OEM tool to simply move everything it could move
onto the back 2/3 of a mod 9. Unfortunately it didn't support MOVING
multi-volume VSAM files. These we had to COPY to new name, delete old,
copy back to old name, etc. by explicit dsn.
The other discovery was that at z/OS V1.4, a page dataset could not be
allocated large enough to fill a mod 9 disk. We are still using mod 3's
for local page datasets. WLM controlled PAV's might, however, allow
multiple local page datasets on a single mod 9. However, I believe IBM
has said on this forum that the BCP would only use 2 PAV's for paging.
Ben Alford Enterprise Systems Programming
University of Tennessee
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