HP3000-L Archives

January 2001, Week 5

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Patrick Santucci <[log in to unmask]>
Reply To:
Patrick Santucci <[log in to unmask]>
Date:
Wed, 31 Jan 2001 14:09:13 -0500
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Jeff,

There's no such thing as a dumb question. Ignorance, in the pursuit of
knowledge, is no crime. (Or to put it like my dad, "The only dumb questions
are the ones you never ask." :-)

In our case we were FTPing multiple chunks of large amounts of data (>70MB
each) from one system to another (AS/400) on a regular basis. The faster
link meant faster FTPs, less wait time on the other side, a bigger
production window, more bandwidth for the steadily growing data, etc.

We did sometimes have trouble with the switch port suddenly deciding to
change from half-duplex to full-duplex (or the other way around, I forget),
usually during a reboot; this caused many packet collisions and much
gnashing of teeth, but once we got our connection moved to another port on
the switch we were fine; it wasn't a 3000 problem per se.

I would *love* to upgrade our production machines here to 100Mbit. We have
several sockets-based file transfers going on at once (again with an AS/400
-- go figure) and I think it could significantly reduce our "dead" time
where we're out of sync. But it's harder to justify here because "the work
is still getting done." Whereas the shrinking production window was the main
justification at my last job.

HTH,
Patrick
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Patrick Santucci
HP e3000 Systems Administrator
Cornerstone Consolidated Services Group, Inc.

> -----Original Message-----
> From: Sohrt, Jeff [SMTP:[log in to unmask]]
> Sent: Wednesday, January 31, 2001 12:33 pm
> To:   [log in to unmask]
> Subject:      Re: [HP3000-L] Dual Network Cards on a System
>
> As much as I hate asking dumb questions (duh), here goes:
>
> What are the reasons that one would want to install a 100mbit card on the
> 3k, other than the obvious (it's faster)?
> 1) Need to interface with faster hub???
> 2) Will data transfer faster between all devices???
> 3) other???
>
> Private replies are humbly accepted to avoid wasted bandwidth....
> jds
>
> Doug wrote:
> > As long as you buy and install the software from HP, and have
> > an HP engineer install the card, it works great!
> >
> > You will have to configure the card in NMMGR, so make certain
> > that you have the correct slot address.
> >
> > Everything else in your plan looks great!

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