Gilad,

I afraid nodestat is not able to find the IP number of the nodes:
node2,node4,node7,node8,node9

I think, if you put an entry for this hosts in /etc/hosts at the
ManagementNode this would fix the problem.

Regards,
  Gerd

Am Samstag, den 15.12.2012, 23:26 +0200 schrieb Gilad Berman:
> I think we've encountered this issue before and it was fixed in one
> release of xCAT. we are again seeing weird nodestat behavior: 
> in the following example we can ping and ssh to all nodes but still
> nodestat gives the following output: 
> 
> s01:~ # nodestat c1 | xcoll 
> ==================================== 
> node1,node3,node5,node6 
> ==================================== 
> sshd 
> 
> ==================================== 
> node2,node4,node7,node8,node9 
> ==================================== 
> noping
> 
> thx in advance!! 
> 
> Regards,
> 
> Gilad Berman
> HPC Architect
> IBM System & Technology Group. Israel
> 
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