The cluster is running centos6.3 (2.6.32-279.5.2) and will be updated
to the latest centos6.5 (2.6.32-431.3.1) kernel towards the end of next
week. I will reply back to let you know if it worked, thanks very much!
On Fri, 17 Jan 2014, hwloc-users-request_at_[hidden] wrote:
> Linux says socket 0 contains processors 0-7 and socket 1 contains 8-15,
> while NUMA node 0 contains processors 0-3+8-11 and NUMA node 1 contains
> processors 4-7+12-15. Given why I read about Opteron 6320 online, the
> problem is that NUMA 0 should be replaced with two NUMA nodes with
> processors 0-3 on one side and 8-11 on the other side, and NUMA 1 be
> replaced with two NUMA nodes with processors 4-7 and 12-15 respectively.
> Your grep for SRAT confirms that there are 4 NUMA nodes in the machine,
> and the APIC numbers seem correctly associated.
> Unfortunately, it looks like you have the last BIOS revision (1.01)
> Is there any kernel update available from RHEL6 for your machine?