From: "J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: Nfs Failover
Date: Tue, 9 Oct 2007 15:51:28 -0400
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To: Saurabh Sehgal <saurabh.r.s@gmail.com>
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On Tue, Oct 09, 2007 at 03:40:22PM -0400, Saurabh Sehgal wrote:
> Hi all,
> 
> I am trying to do an nfs failover from one server to another in a 4 node
> cluster . During this failover, I have a link from /var/lib/nfs directory to
> a mount that resides on a shared disk. When i want to move the "resources"
> from one node to the other ... this is how I go about initiating the move :
> 
> 1) /etc/init.d/nfsserver stop
> 2) mount /var/lib/nfs on the failover node
> 3) move IP address to failover node
> 3) /etc/init.d/nfsserver start
> 4) /sbin/sm-notify -v <failover ip address>
> 
> Are these the correct steps ? What I end up getting is a Stale NFS File
> handle on all client nodes, until I unmount and remount them again. For the
> purpose of my application this mount/unmount of clients is undesirable .
> What should I do ? Any help would be appreciated.

What filesystem are you exporting?

--b.

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