[Beowulf] Clic 2.0 lockup problems
mechti01 at luther.edu
Wed Oct 27 15:16:42 EDT 2004
Thanks for your help. No, eth1, because that is the only external
interface. In other words, I tried to logon from an external machine.
Ssh works fine on other two interfaces though. Thanks again.
>> I just finished installing Clic 2.0 on a cluster of 1 server and 12
>> After running the setup_auto_cluster script I got everything installed.
>> I created a "cluster user" and proceeded to test out some of the
>> mpi sample code. This ran fine. I next tried to start this code
>> (through SSH), but when I did this, the server locked up and had to be
>> rebooted. It actually locked up while connecting via SSH, not when
>> executing the sample mpi code. Any idea what might cause this? The
>> server has 3 network interfaces:
>> eth0 - administration
>> eth1 - outside (internet)
>> eth2 - message passing (computing)
>> (The nodes each have 2 interfaces, one for administration and one for
>> message passing)
>> It also seems that when I logon as the "cluster user" or root, and try
>> access an external website (e.g. google), the server will lockup and
>> to be rebooted again.
>> Any idea why I'm experiencing these lockups? Is something configured
>> incorrectly? Is it a faulty network card? I was able to access outside
>> websites fine before I ran the setup scripts.
> you tried to login to the server on all of the three interfaces, to check
> whether it's really completely down and not only one interface? - Reuti
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