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Date:      Mon, 5 Jan 1998 22:29:39 +0100
From:      Andreas Klemm <andreas@klemm.gtn.com>
To:        =?iso-8859-1?Q?=22Luis_E=2E_Mu=F1oz=22?= <lem@cantv.net>
Cc:        spork <spork@super-g.com>, jbutt@mwci.net, freebsd-isp@FreeBSD.ORG
Subject:   2.2-STABLE client hangs after a NFS server (2.2-STABLE) reboot (was: Re: [fbsd-isp] Designing for a very large ISP)
Message-ID:  <19980105222939.65169@klemm.gtn.com>
In-Reply-To: =?iso-8859-1?Q?=3C3=2E0=2E5=2E32=2E19980104225625=2E007bb280=40pop=2Ecan?= =?iso-8859-1?Q?tv=2Enet=3E=3B_from_=22Luis_E=2E_Mu=F1oz=22_on_Sun=2C_Jan?= =?iso-8859-1?Q?_04=2C_1998_at_10=3A56=3A25PM_-0400?=
References:  <199801042025.OAA22797@subcellar.mwci.net> <Pine.BSF.3.96.980104164317.17626C-100000@super-g.inch.com> <3.0.5.32.19980104225625.007bb280@pop.cantv.net>

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On Sun, Jan 04, 1998 at 10:56:25PM -0400, "Luis E. Muņoz" wrote:
> At 04:50 PM 04/01/1998 -0500, spork wrote:
> 
> A panic is definitely not correct, however a command waiting forever
> is normal. These are the semantics of a 'hard' mount on NFS. If you
> want the processes to timeout, you need a 'soft' mount. 

When using hard mounts the client should only wait for the server
to come up again.

I also noticed with FreeBSD-stable, that the client still hangs,
if the server was down and reboots afterwards ... this was using
the amd automounter.

The soft mount only makes it possible for the NFS client not
to wait for the server, which is really not recommended because
of the possibility of data lossage.

When using Solaris 1 or 2 I'm used, that the clients can continue
to work, if the NFS server comes uo again. FreeBSD fails here.

Is this a known problem ?

-- 
Andreas Klemm
powered by ,,symmetric multiprocessor FreeBSD''



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