Re: Correlating *SAVF "records" to FTP job I/O count

[Patrick Townsend <townsend@xxxxxxxxxxxxxx>]

Yes, 1496 bytes. Subtracting TCP/IP frame headers you are probably
transferring 1480 bytes per frame. How long does it take to transfer a
58 meg save file? Just takes a few minutes here between AS/400 and
Windows NT PC.

Patrick

"Bale, Dan" wrote:
> 
> What if I see that the Maximum Frame Size of the line description is 1496?
> What does 1496 mean?  1496 bytes?  I don't have the authority to run a comm
> trace here.  Not sure anyone else here would want to go through the bother.
> 
> TIA,
> - Dan Bale
> 
> > -----Original Message-----
> > From: Patrick Townsend [SMTP:townsend@patownsend.com]
> > Sent: Monday, May 01, 2000 3:15 PM
> > To:   MIDRANGE-L@midrange.com
> > Subject:      Re: Correlating *SAVF "records" to FTP job I/O count
> >
> > Dan,
> >
> > I believe the transfer record size of an FTP transfer will be controlled
> > by the Maximum Frame Size of the line description. Save file record
> > lengths are 528, but I believe FTP should send multiple records with
> > each transfer. You can see what the AS/400 is doing by putting a
> > communications trace on the line (STRCMNTRC). End the trace with
> > ENDCMNTRC and then print it with PRTCMNTRC. There is a header for each
> > TCP/IP frame, but you will get an idea of the size this way.
> >
> > Patrick
> > --
> > IBM AS/400 communications, FTP automation, and network security
> > software and consulting services.
> >
> > http://www.patownsend.com
> >
> > "Bale, Dan" wrote:
> > >
> > > Is there a known, constant, record-blocking factor used when
> > transmitting a
> > > save file from one AS/400 to another via FTP?
> > >
> > > I am using FTP to transmit save files from plant boxes to the division
> > box.
> > > One I have running right now is 56MB.  The system operator is wondering
> > how
> > > much longer the FTP will run.  When I look at the job running FTP, it
> > shows
> > > the save file being transmitted as an open file (WRKJOB option 14) and
> > shows
> > > the I/O count at 12,417.  If I could correlate the save file's number of
> > > records to the I/O count, I would be able to estimate the time remaining
> > to
> > > complete the transmission.
> > >
> > > RTFM?  Please point the way.
> > >
> > > - Dan Bale
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-- 
IBM AS/400 communications, FTP automation, and network security
software and consulting services.

http://www.patownsend.com
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