[Beowulf] Need some advise: Sun storage' management server hangs repeatedly

Skylar Thompson skylar at cs.earlham.edu
Thu Jan 14 00:08:43 EST 2010


Sangamesh B wrote:
> Hi HPC experts,
>
>      I seek your advise/suggestion to resolve a storage(NAS) server'
> repeated hanging problem.
>
>      We've a 23 nodes Rocks-5.1 HPC cluster. The Sun storage of
> capacity 12 TB is connected to a management server Sun Fire X4150
> installed with RHEL 5.3 and this server is connected to a Gigabit
> switch which provides cluster private network. The home directories on
> the cluster are NFS mounted from storage partitions across all nodes
> including the master.
>
>    This server gets hanged repeatedly. As an initial troubleshooting
> we installed Ganglia, to check network utilization. But its normal.
> We're not getting how to troubleshoot it and resolve the problem. Can
> anybode help us resolve this issue?
Is there anything amiss according to the service processor?

-- 
-- Skylar Thompson (skylar at cs.earlham.edu)
-- http://www.cs.earlham.edu/~skylar/


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