Re: Asking information about NFS /CS4 Cookbook

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On Wed, May 16, 2007 at 11:04:41AM +0200, Alain Moulle wrote:
> Hi
> 
> In the RH CS NFS Cookbook by Bob Peterson,
> I see this in Step 7 :
> 
> "In either scenario, NFS clients continue to read
> and write files on the NFS-mounted path without detecting when a failure
> occurs"
> 
> I could understand this when using "Managed Virtual IPs" but
> I can't when using "Managed NFS service" :
> in this last case, suppose we have a shared ext3 FS1 which
> is exported on node1, and so reachable from a client node
> which has mounted this nfs FS1. In case of failover, the
> FS1 will be exported on node2, so the same client will have
> to change his mount to reach the FS1 from node2, how could it
> be "without detecting  when a failure occurs" ?
> Sure I miss something somewhere ?

A 'managed NFS service' needs to include a 'managed virtual IP'.
Clients always access using the same IP.

-- Lon

-- 
Lon Hohberger - Software Engineer - Red Hat, Inc.

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