StarCluster - Mailing List Archive

Spot Nodes Not Joining Placement Group

From: Steven Zembek <no email>
Date: Thu, 21 Feb 2013 13:35:32 -0800 (PST)

I launched a cluster of cc1.4xlarge spot instances today using StarCluster. A placement group was successfully created, however only the Master node actually joined the new placement group. All child nodes were not in any placement group at all. I got no error of any sort, but this obviously defeats the purpose of having cc1 instances in a cluster if they are not in the same placement group. I tried the same thing with on demand instances and it worked, placing the master as well as the child nodes all in the StarCluster generated placement group as expected. When I launch a spot instance manually I am able to specify a placement group, so it seems that the functionality is available on Amazon's end, is there something I'm missing?

Received on Thu Feb 21 2013 - 16:35:33 EST
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