From: Dan Stromberg <strombrg@dcs.nac.uci.edu>
Subject: Re: NFS High Availability Cluster
Date: Mon, 13 Jun 2005 11:10:15 -0700
Message-ID: <1118686215.25437.19.camel@seki.nac.uci.edu>
References: <42AD5820.4060109@gmail.com>
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Cc: strombrg@dcs.nac.uci.edu, nfs@lists.sourceforge.net
To: Oded Maimon <oded.maimon@gmail.com>
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I'm told that the current generation of automounter should be able to
failover readonly versions of the same data.

What we've been doing so far with linux, though, is to have a script
that, instead of using fstab, instead traceroute's each of the replica
servers and statically NFS mounts from the one that is up, and shows the
lowest number of router hops.

The autofs failover should obviate reboots, at least to some extent.

The script I've described, which I'd be happy to share, makes it so
endusers can just reboot to come up mounting from a different replica.

On Mon, 2005-06-13 at 11:55 +0200, Oded Maimon wrote:
> Hi,
>=20
> Is it possible to set an NFS HA cluster?
>=20
> That means, that several servers will share the same disks in a SAN and=20
> will provide an NFS service for
>=20
> all my other servers?
>=20
>=20
> I need that when one NFS server will fail (or the network connection to=20
> it)  then no server using the NFS will be affected and will continue to
>=20
> work with one of the other NFS servers.
>=20
>=20
> Is it possible?
>=20
>=20
> Thanks,
>=20
> Oded.
>=20
>=20
>=20
>=20
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>=20

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