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Date:      Mon, 14 Dec 1998 11:13:03 -0500 (EST)
From:      spork <spork@super-g.com>
To:        Bernd Walter <ticso@cicely.de>
Cc:        Kevin Day <toasty@home.dragondata.com>, hackers@FreeBSD.ORG
Subject:   Re: NFS thoughts
Message-ID:  <Pine.BSF.4.00.9812141110220.28944-100000@super-g.inch.com>
In-Reply-To: <19981214073605.20458@cicely.de>

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On Mon, 14 Dec 1998, Bernd Walter wrote:

> I saw the same on my private hosts.
> Everythings the same to your case instead that I have a 100MBit FreeBSD Router
> between them. All lines are running Full-Duplex Point-to-Point.
> In my case I have a syslogentry telling me about a server down under some load
> and it took minutes till it says that the server is up again.
> It happend when using NFS3/TCP at this moment I'm using NFS2/UDP and it won't
> hang.

Ditto.  Two machines back-to-back 100Mbit full duplex.  Private NFS
network.  Migrating from 3/tcp to 2/udp seems to help alot.

Can anyone else help confirm that in general 2/udp is the most dependable
way to run if you're not traversing anything slower than 100Mb?  

I also haven't seen the "I've mounted soft and intr, yet things still
hang" behaviour using version 2 and udp.  Any consensus on that?

Thanks,

Charles

> Another issue is that when using NFS with multihomed hosts the client ask on
> one IP address of the server and the server replies using another of his IPs,
> so the client is discarding the answers and still waiting.

yuck.

Charles

> > 
> > 
> > Kevin
> > 
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-hackers" in the body of the message
> 
> -- 
>   B.Walter
> 
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-hackers" in the body of the message
> 


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