[Beowulf] Dual head or service node related question ...
john.hearns at mclaren.com
Fri Dec 4 01:24:23 PST 2009
What is viewed as the best practice (or what are people doing) on
something like an SGI ICE system with multiple service or head nodes?
Does one service node generally assume the same role as the
head node above (serving NFS, logins, and running services like
PBS pro)? Or ... if NFS is used, is it perhaps served from another
service node and mounted both on the login node and the compute
Two service nodes which act as login/batch submission nodes.
PBSpro configured to fail over between them (ie one is the PBS primary server).
Separate server for storage – SGI connect these storage servers via the Infiniband fabric,
and use multiple Infiniband ports to spread the load – you can easily configure this at cluster install time,
ie. every nth node connects to a different Infiniband port on the storage server.
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