Dear All,
    We have a problem in one of our clusters. The Master Node  in the
Cluster hangs for the frequency of 2 days,  while trying to access the
master node from any client node there is no response , ssh is not
working . But if we ping the master node  internal and lan IP we
are getting  reply .but unable to access  the  master node . then we
are forced to shutdown all  the cluster node and restart the cluster .
Then it is working for 2 days continuously , then the same problem
occurs.

There is no problem with any  hardware we hv confirmed by changing MBD,
PROC, and RAM .

The software currently running are:
 GROMACS
 services:
 httpd(apache2)
 proftpd
 ssh

Expecting your help to solve the problem

-- 
Regards,
Rajiv


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