We agree that re-writing an EOF record would be an exercise in futility
and I'm sure no one is interested in hearing us debate, but could you in
fact re-write an EOF record with Write Data? Is not the data length
zero, and is not a zero-length CCW illegal?

Charles



-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Bill Fairchild
Sent: Friday, July 29, 2005 10:10 AM
To: [email protected]
Subject: Re: CKD commands and PDS writing

Not true if the EOF record is already there.  You can rewrite the EOF
record 
into the same space on the track without using a formatting write,
although 
this does not usually accomplish anything useful.  The command in  this
case 
would be Write Data or Write Key and Data, which are non-formatting
writes, as 
opposed to Write Count Key and Data, which is a formatting write, and
is 

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