Nothing, its just work without any changes in sshd configuration .
Let me explain it more, i installed OSCAR successfully and also i ran fluent
on it , after that i powered off head node and also client node manually ( i
think i powered off client node after head node , sorry when i said restart
i meant power off), Next day , when i start to check Fluent again , i meet
those problems.
Also about Fluent i just know that this software is support parallel by
itself , it means there is no need to make a cluster network it has
everything that needed for parallel running by itself, the only thing u need
is configuring SSH and set Key for that(according to its documentation) ,
for me SSH was configured by OSCAR before, so nothing need to be changed...
Cheers.
On Tue, Nov 11, 2008 at 6:00 PM, Michael Edwards <[EMAIL PROTECTED]> wrote:
> Nothing needs to be reinstalled, just restart all the compute nodes.
> If cshutdown doesn't work, just try shutting off the power by hand.
>
> What did you have to change in sshd.conf for fluent to work?
>
> On Tue, Nov 11, 2008 at 9:00 AM, Ali Nazemian <[EMAIL PROTECTED]>
> wrote:
> > 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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