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Date:      Mon, 9 Feb 2009 21:45:23 +0100
From:      Martin <nakal@web.de>
To:        Dan Nelson <dnelson@allantgroup.com>
Cc:        sean.bruno@dsl-only.net, freebsd-current@freebsd.org, sbruno@freebsd.org
Subject:   Re: UFS Witness LoR + 5 other LoRs
Message-ID:  <20090209214523.519ee4d6@zelda.local>
In-Reply-To: <20090208182023.GF85840@dan.emsphone.com>
References:  <1233007263.9302.2.camel@localhost.localdomain> <20090129233220.1ed64e6d@zelda.local> <498EB79F.4010905@FreeBSD.org> <20090208130506.267a838d@zelda.local> <20090208182023.GF85840@dan.emsphone.com>

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Am Sun, 8 Feb 2009 12:20:23 -0600
schrieb Dan Nelson <dnelson@allantgroup.com>:

> In the last episode (Feb 08), Martin said:
> > Btw... it would be very nice if someone finally implements timeouts
> > and a detection strategy for NFS packets that don't arrive at their
> > destination because of fragmentation and wrong rsize/wsize
> > settings.  But this is a totally different topic.  There is not
> > much in the docs about it.
> 
> The solution to that problem is TCP mounts :)

Hi Dan.

Yes. This could be right, of course. I haven't tried it yet, but I will.

There are two points, I want to add:

1) Some people say that UDP mounts have faster transfer rates. I don't
know yet, if it's true.

2) I mention the problem with NFS over UDP, because UDP mounts are
somehow "fishy", it seems. A robust piece of software should recover
from erroneous situations and not get stuck somewhere. The only
solution to this situation is an unclean reboot. This is not "nice".

--
Martin




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