Subject: Re: [netatalk-admins] netatalk-1.4b2+asun2.0a11 bug?
From: Wes Brown (wes@prozac.eeap.cwru.edu)
Date: Fri Jul 11 1997 - 13:31:54 EDT
> i have a question here. how important is it to be able to run multiple
> copies of afpd on the same machine? you can "export" multiple volumes
> w/ just one running copy of afpd and none of the hassle.
>
> 1) Acquire a second IP number (by way of a virtual interface) and
> persuade the two afpd to run on different interfaces.
> 2) Hack afpd to allow multiple virtual servers from the one afpd.
> (Sort-of like a papd.conf file for afpd.)
>
> The second is the correct solution.
>
> fyi, you can currently run a second copy of afpd if you choose another
> name, don't mind it not running afp/tcp, and specify a different lock
> file (this is the big change from 1.4b2). needless to say, unless you
> specify different AppleVolumes.*, it's not going to be much use
> besides providing yet another nbp entry for the same service.
The problem that I see is that there is a limitation in the AppleTalk
protocol that only lets a small number of machines connect to the server.
(small number being 64 or 128, but I do not remember exactly) This is
significant in an enviroment where your number of users is 2 or 3 orders of
magnitude greater than this limit in AppleTalk.
Novell gets around this someway with their AppleTalk stuff for Novell 4.x.
when they have a user licence that exceeds the limit in the protocol.
I have not had the time to explore exactly how they do it.
> i can stick in yet another option which allows you to specify an
> alternative port. the nbp entry will automatically redirect people to
> that port. i guess that's actually a 3rd option and simple enough to
> do. can people live w/ having to something like the following?
>
> afpd
> afpd -P /var/lock/server2.lock -f server2.default -s \
> server2.system -n server2 -S <IP Port>
>
> -a
Wes
---
Wes Brown
ewb4@po.cwru.edu wes@prozac.cwru.edu
http://prozac.cwru.edu/wes/About.me.html
KB8TGR
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