I know the problem is solved now, but I remember a similarly mysterious 
occurrence in the past. It was one of those 'this could not possibly be 
happening' situations. Two systems in a shared DASD environment came to 
point to two different devices with the same volser. It's unlikely but not 
impossible if a volume has been copied to a another location so that 
there's a duplicate volser, and a newly IPLed system varies offline the 
physical device that other systems are looking at. The result can drive 
you crazy. ;-)

So when all else fails, check the unit address of the volume from each 
system to make sure that they all agree. 

.
.
JO.Skip Robinson
Southern California Edison Company
SHARE MVS Program Co-Manager
626-302-7535 Office
323-715-0595 Mobile
[EMAIL PROTECTED]

IBM Mainframe Discussion List <[email protected]> wrote on 03/15/2006 
11:54:18 AM:

> Mark Zelden wrote:
> [...]
> > So, the library is not in LLA, you updated from this system, and
> > VLFNOTE also didn't work. Hmmmm.  I know the thread says "CLIST"
> > and you added it to SYSPROC, but is this REXX or truely CLIST?
> > Is the library PDS or PDSE?  What OS level are you running?
> 
> z/OS 1.4, PDS, CLIST, SYSPROC. Changes made using ISPF/PDF.
> 
> > BTW, when I asked how you were updating the file, I was looking for
> > something more specific than "inserting new member". I wanted to
> > know if you were using ISPF for example (since IBM code notifies
> > VLF).
> 
> I'd like to apologize for the mess I did.
> The last tests I did failed because of ugly configuration error. My 
> mistake. The PDS which SHOULD be on SYSPROC wasn't. However it was on 
> VLF EDSN list.
> However I fixed S047 for VLFNOTE, learned about LLA features. Not bad.
> 
> I'm going to re-create the problem and try again.
> 
> Thank you all!
> -- 
> Radoslaw Skorupka

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