This falls into the category of things I should know, and maybe did at one
time, but don't.

Zmodem transfer OUT of Open Server 5.0.x (and maybe 6), when connected via
telnet, chokes on moderately large files. Does anyone have a solution?

Regards,
.....Bob Rasmussen, President, Rasmussen Software, Inc.

personal e-mail: ras@anzio.com
company e-mail: rsi@anzio.com
voice: (US) 503-624-0360 (9:00-6:00 Pacific Time)
fax: (US) 503-624-0760
web: http://www.anzio.com

Bob Rasmussen wrote:
> This falls into the category of things I should know, and maybe did at one
> time, but don't.
>
> Zmodem transfer OUT of Open Server 5.0.x (and maybe 6), when connected via
> telnet, chokes on moderately large files. Does anyone have a solution?
>
> Regards,
> ....Bob Rasmussen, President, Rasmussen Software, Inc.
>
> personal e-mail: ras@anzio.com
> company e-mail: rsi@anzio.com
> voice: (US) 503-624-0360 (9:00-6:00 Pacific Time)
> fax: (US) 503-624-0760
> web: http://www.anzio.com

I haven't seen the problem you're describing, at least using older
copies of rz/sz on OS5 that I've used for years.

I've transfered several hundred MB files both over the internet and
local LAN's with no problem.

Zmodem is handy for one off transfers when you are already logged in
with a client that supports the protocol.

You can have problems if stdin/stdout is managed by something like DV,
but that manifests as a total inability to do a transfer.

With DV in use rz/sz does launch it's opposite number on my client
(SCRT), but it just sits there with no bytes transfered.

That usually results, after a DUH moment, in me muttering about mia
culpa or some such

--
----------------------------------------------------
Pat Welch, UBB Computer Services, a WCS Affiliate
SCO Authorized Partner
Unix/Linux/Windows/Hardware Sales/Support
(209) 745-1401 Cell: (209) 251-9120
E-mail: patubb@inreach.com
----------------------------------------------------

In article <mailman.5.1196981030.2680.sco-misc@lists.celestial.com>,
Bob Rasmussen <ras@anzio.com> wrote:
>This falls into the category of things I should know, and maybe did at one
>time, but don't.
>
>Zmodem transfer OUT of Open Server 5.0.x (and maybe 6), when connected via
>telnet, chokes on moderately large files. Does anyone have a solution?

What are you transferring to?

I've seen problems transferring *in* from Windows systems. It turned out to be
a bug on the Windows end. I found that the probability of the Windows end
glitching was drastically reduced with smaller buffer sizes, so the workaround
involved adding an option to rz to limit the buffer size that is offered in
protocol negotiations to the remote end.

John
--
John DuBois spcecdt@armory.com KC6QKZ/AE http://www.armory.com/~spcecdt/

On Sat, 8 Dec 2007, John DuBois wrote:

> In article <mailman.5.1196981030.2680.sco-misc@lists.celestial.com>,
> Bob Rasmussen <ras@anzio.com> wrote:
> >This falls into the category of things I should know, and maybe did at one
> >time, but don't.
> >
> >Zmodem transfer OUT of Open Server 5.0.x (and maybe 6), when connected via
> >telnet, chokes on moderately large files. Does anyone have a solution?
>
> What are you transferring to?

Windows, specifically our Anzio product.

>
> I've seen problems transferring *in* from Windows systems. It turned out to be
> a bug on the Windows end. I found that the probability of the Windows end
> glitching was drastically reduced with smaller buffer sizes, so the workaround
> involved adding an option to rz to limit the buffer size that is offered in
> protocol negotiations to the remote end.

Thanks for that tip.

Regards,
.....Bob Rasmussen, President, Rasmussen Software, Inc.

personal e-mail: ras@anzio.com
company e-mail: rsi@anzio.com
voice: (US) 503-624-0360 (9:00-6:00 Pacific Time)
fax: (US) 503-624-0760
web: http://www.anzio.com