> -----Original Message-----
> From: IBM Mainframe Discussion List 
> [mailto:[email protected]] On Behalf Of Tony Harminc
> Sent: Monday, April 18, 2011 10:16 AM
> To: [email protected]
> Subject: Re: Transmission files
> 
> On 18 April 2011 08:27, Paul Gilmartin <[email protected]> wrote:
> > On Mon, 18 Apr 2011 07:03:33 -0400, Lizette Koehler wrote:
> >>
> >>2)  Use FREE product TRSMAIN from IBM to compress your dataset
> >>
> > Or, for the daring and avant-garde, AMATERSE.
> 
> On the other hand AMATERSE is neither free as in free beer nor free as
> in free speech. TRSMAIN appears to be free as in free beer. But then
> again, if you already have a z/OS licence...
> 
> >>3)  Create a DFDSS backup file
> >>     Then FTP to PC using BIN format
> >>     Use FTP to Upload to your target z/OS host
> >>     Use DFDSS to restore your files.
> >>
> > What's the RECFM of a DFDSS backup file?  If it's V, there's the
> > hazard FTP BIN may lose record boundaries, which may be
> > significant to the restore utility.
> 
> Worse - it's U. It will always be messed up if it goes through a
> system that doesn't understand records.
> 
> Tony H.

Not entirely. You can transmit a RECFM=U dataset from one z/OS to another, via 
an non-z/OS intermediary if you do:

OPEN from-zos
userid
password
BIN
QUOTE STRU R
GET dfdss.file
CLOSE
OPEN to-zos
userid
password
BIN
QUOTE SITE LRECL=??? RECFM=??? RECFM=U PRI=??? SEC=??? CYLINDERS
QUOTE STRU R
PUT dfdss.file

But I'd use AMATERSE because it, like IEBCOPY, is a standard part of the z/OS 
system and so is always present. And it uses RECFM=F so you don't need the STRU 
R commands.

--
John McKown 
Systems Engineer IV
IT

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