HP Insight Cluster Management Utility - Manual (Page 124)

Narrow the search of the failing nodes with the -d option to display node populations:
cmu_pdsh> cmudiff –d
cmudiff filter is <ON>, with parameters -d
cmu_pdsh>
cmu_pdsh> dmidecode
The comment now shows “(2 populations) o185i[040,042] are 83% similar”. This comment
suggests that those two compute nodes have a different BIOS release date than all other nodes.
124 Managing a cluster with HP Insight CMU