We are looking at setting a value for tscCmdPortRange so that we can apply 
firewalls to a small number of GPFS nodes in one of our clusters.

The docs don’t give an indication on the number of ports that are required to 
be in the range. Could anyone make a suggestion on this?

It doesn’t appear as a parameter for “mmchconfig -i”, so I assume that it 
requires the nodes to be restarted, however I’m not clear if we could do a 
rolling restart on this?


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