Fortunately (?), our developers ensure that we (the three groups
mentioned) are always kept on our toes, despite efforts at education,
etc.

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Ted MacNEIL
Sent: Tuesday, November 24, 2009 12:14 PM
To: [email protected]
Subject: Re: DB2 and PAV

>This area of DB2 performance management is challenging but extremely
interesting and needs to pull together expertise from the DBAs, sysprogs
and DASD specialists.


Too many people get hung up on the technical aspects.
Rather than worrying about:

How many write engines?
How is the Defined Extent used/sized?
How many (HIPER)PAVs are allocated/usable?
VSAM chaining?
ETC?

The real issue is:
Are my Service Levels being met?
   AND:
Is my resource consumption appropriate?

If the answer to the above two questions is YES -- relax.

If NO, then use your understanding of the technology to fix it.

-
Too busy driving to stop for gas!

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