Upteen years ago there was a change to tape hardware and there was a
requirement to change the device type code in catalogs.  IBM provided a
utility to do this.  At the time my company had VSAM Mechanic which
provided the same function and faster so we used that.

Alan Schwartz
ITO Global Service Operations and Engineering
Xerox Business Services, LLC
1500 Towerview Rd.
Eagan, MN 55121-1346

p.  612.266.3150
m. 651.274.5819
f.   612.266.3196

www.xerox.com/businessservices

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Chuck Arney
Sent: Monday, June 25, 2012 3:55 PM
To: [email protected]
Subject: Re: Catalog Device Type Conversion

Thanks for the suggestions John, but I don't find an IDCAMS ALTER
parameter that allows you to modify the hex device type code for a
nonvsam catalog entry.  Am I looking in the wrong place or are you
dreaming of the way "it should be"?

I'd prefer to use something like you suggest but I fail to see a way to
make it work.

Chuck Arney
Arney Computer Systems

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of John Eells
Sent: Monday, June 25, 2012 3:05 PM
To: [email protected]
Subject: Re: Catalog Device Type Conversion

Chuck Arney wrote:
<snip>
> Specifically, I am looking for suggestions on what is available for 
> mass catalog updates.  I'd rather not reinvent the wheel if there are 
> useable tools around.
<snip>

I don't know of anything in z/OS itself that does this, but perhaps
someone else's product could help.  There are at least a couple of
companies out there with catalog management products, I think.  And a
search of the CBT site might bear fruit.

Many moons ago, after a similar search for existing tools, I wrote a
quick throwaway program to parse LISTCAT output and build ALTER control
statements for IDCAMS for exactly this purpose.  (In our case, some
people had used esoteric names to catalog their data sets using a
utility or DYNALLOC--I forget which--and the catalog entries had to be
fixed to move the data sets to different device types.)

These days I'd think it more sensible to use the Catalog Search
Interface to find the entries needed to build IDCAMS control statements,
which would put a reasonably stable API on both ends of the code.  There
might be a better way but that's where I'd tend to start if I had to do
it over today.  (Well, actually, I'd start by dusting off the
long-unused brain cells I once used for programming, but...)

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