Data Computing Appliance V1
Data Computing Appliance V2
Data Computing Appliance V3
Exchange keys not setup on the cluster correctly causing communications issues.
A sample error of this when running dcacheck:
DCA_CHECK_ERROR: Error could not get mac addresses from switches: Got exception for i-sw-2: Error running network switch script: Permission denied (publickey,keyboard-interactive).
Test connectivity to all hosts using:
gpssh -f /home/gpadmin/gpconfigs.hostfile
This will fail asking for passwords to some hosts.