Excerpts from transarc.system.info-afs: 2-Sep-92 Re: transarc afs Jay
[EMAIL PROTECTED] (696)
> Date: Tue, 1 Sep 92 15:53:17 -0500
> From: [EMAIL PROTECTED] (Edward Harbin)
> To: lepreau@cs
> Subject: transarc afs
> Hi -
> Convex has been, with varying success (mostly variably small) getting
> OSF source via afs. Transarc says our problems should (may?) go away
> when your site upgrades to 3.2.
> Have you done the upgrade, or do you plan to do so?
> Thanks - Ed Harbin
> Nope, haven't done it, and have no immediate plans to do so
> (though that could change if this turns out to be a problem).
> Sounds like Transarc's shooting in the dark here, as the explanation
> for why you get scrambled data when you transfer. We transfer data
> all the time from AFS sites running <3.2, w/o problems.
The issues, as far as I know, are two:
1. SunOS ships with UDP checksums disabled, which is fairly likely to
result in corrupted data fetched **from** Sun servers over long-haul
connections.
2. Convex folks are trying to fetch files over a piddly 56KB line from
a 3.1b server. RX used to just barely work at 56 KB, and only if there
wasn't much congestion or else the chunk sizes were small. The OSF had
a special version of AFS 3.1b _with these particular changes_
incorporated.
As far as these two facts go, I'm not shooting in the dark...
Lyle Transarc 707 Grant Street
412 338 4474 The Gulf Tower Pittsburgh 15219
"Many media people are quite trainable, and can be taught fairly
sophisticated tricks in exchange for a few morsels of food." - Peter da Silva
