On Mon, Apr 28, 2008 at 11:31:34AM +0100, Mike Clarke wrote:
> On Monday 28 April 2008, Anton Shterenlikht wrote:
> > This works fine until Node1 is down, in which case the cluster
> > software directs all connections to to Node2. Since
> > its key doesn't match what's in known_hosts, the connection is
> > refused.
> >
> > At present I tune the VMS cluster and reboot individual nodes
> > frequently. I'd like to be able to tell ssh to ignore key mismatch
> > at this stage.
> Just a quick, and untested, thought. Could you use the same key files on 
> all the nodes in the cluster? It might work unless ssh on the local 
> machine objects to machines having identical keys in the known_hosts 
> file.


I quite forgot to reply to this. YOu are right, of course. I thought
a bit about the whole idea of sharing system files in a VMS cluster
and realised that the keys must be identical. All I did was to
point each cluster node to the same key file.

All is fine now. Yes, known_hosts has 6 identical keys for 6
different ip addresses, and ssh doesn't complain.

many thanks

Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 928 8233 
Fax: +44 (0)117 929 4423
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