> -----Original Message-----
> From: IBM Mainframe Discussion List 
> [mailto:[EMAIL PROTECTED] On Behalf Of Jousma, David
> Sent: Monday, March 12, 2007 2:35 PM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: Renaming SYS1.VTAMLST
> 
> 
> How about the PDS86?  Just add more space on the fly....  Forget about
> renaming it.  Wasn't that the original request?
> 
> Dave 

One problem with anything other than doing a "normal compress" is that
the dataset is likely already open by VTAM or whatever. That means that
the DEB is already created and the extents "set in stone". If a member
is then added to a new extent, that member cannot be read by anything
which already has the dataset open because it gets an I/O error (outside
dataset extents). Been there, done that, got the abend.

--
John McKown
Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

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