So now i should restarting OSCAR and Fluent for solving this problem?! or
try to use rsh for Fluent?! ( security risk?!)
If i can solve this problem without re-installing let me know .
regards.
On Tue, Nov 11, 2008 at 4:38 PM, Michael Edwards <[EMAIL PROTECTED]> wrote:
> If you reboot the head node, you should reboot the cluster nodes also
> using "cshutdown -r". If you don't, then the nfs mounts on the
> compute nodes stop working and you see problems like you are having
> with ssh asking for passwords.
>
> For passwordless ssh to work the way oscar is set up, all the /home
> directories have to be mounted via nfs from the head node. Since the
> nfs mounts all broke when you rebooted the head node, fluent stopped
> working too.
>
> On Tue, Nov 11, 2008 at 4:17 AM, Ali Nazemian <[EMAIL PROTECTED]>
> wrote:
> > Hi again,
> > I installed OSCAR successfully , and all running test were successful ,
> > after that i install fluent 64 on my head node Home directory and tried
> to
> > run parallel using ssh with that , every thing was okey and i succeed
> with
> > running Fluent using parallel and with the default HP mpi of this program
> .
> > everything was ok until i restart my headnode , after i restart my head
> > node( it seems Fleunt made some changes that confilict with OSCAR) , i
> tried
> > to running Fluent in parallel same as before , but i get some errors and
> it
> > doesnt start successfully , after that i tried to test OSCAR again using
> > OSCAR WIZARD , but test became fail with some errors for mounting Home
> > directory and also ssh , from node to server and server to node! ( it
> asking
> > for password!!) . so i tried to ssh client node on server using ssh
> 10.0.0.2
> > and on the node for ssh server with using ssh 10.0.0.1 , both of them
> was
> > succussful. i am wondering why ssh using terminal was successful but with
> > OSCAR and Fluent became fail!!
> > Please give me some tips for using OSCAR and Fluent on same network.
> > Best regards.
> >
> > --
> > A.Nazemian
> >
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