The application is going to combine several NOMAD databases into 1 NOMAD
database.  We are only going to setup mod 9s for this purpose.  We will
continue to use mod 3s for the rest of our data and applications.

I greatly appreciate your help.

Thank you.

Cecelia Dusha
IT Specialist (Operating Systems)
Administrator, Executive, & Financial Domain Division
WHS/ITMD/AEFDD
703-697-2305
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-----Original Message-----
From: David Boyes [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, April 26, 2006 11:19 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: 3390 Mod 3 verses 3390 Mod 9s

> Presently the application is split onto several disks.  The data is to
be
> combined onto one disk.  The data is a NOMAD database.

Ah. That would argue against SFS, then. Nomad does its own balancing act
internally. 

> I thought PAV was not an option for VM.  Does z/VM 5.2 support PAV?

Well, sort of. CMS doesn't know much about it. It's mostly for guest use
AFAICT. 

If you're going to replace the mod 3's one for one with mod 9s, then it
shouldn't get any worse than it is. As someone mentioned, just don't put
*other* stuff on the disks that may change the access patterns. 

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