[GE users] Requesting special resources for the first MPI process

arc198 antony.cleave at clustervision.com
Fri Feb 26 13:47:28 GMT 2010


Dear All,

I have a MPI code which has very high IO requirements whilst it runs and
I want to add some SSDs or RAIDed SAS drives to a few nodes to support
this and add a "fast-storage" complex to be able to request this.
However as only the first MPI process does any writing  during the job
it would be a waste to request the "fast-storage" complex for all the
execution hosts. Is it possible to request that the job is started on a
node with the "fast-storage" complex and not restrict the rest? If so, how?

thanks!

Antony

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