Single node in Flex System x222 Compute Node does not power on

Complete the following steps until the problem is solved.

1. If you recently installed, moved, or serviced the upper or lower compute node in the Flex System x222 Compute Node, reseat the Flex System x222 Compute Node in the bay. If neither of the compute nodes in the Flex System x222 Compute Node was not recently installed, moved, or serviced, perform a virtual reseat through the CMM service command. For more information about the CMM service command, see the "Flex System Chassis Management Module: Command-Line Interface Reference Guide".
2. Check the event logs for any events that are related to the compute node, and solve them. If an Flex System Manager management node is installed, check the event log on the management node. Otherwise, check the event log on the Chassis Management Module.
3. Make sure that the CMM can recognize the upper and lower compute nodes. Log in to the CMM user interface and verify that the compute node appears in the chassis view. If the CMM cannot recognize a compute node, remove the Flex System x222 Compute Node and inspect the Flex System x222 Compute Node and the back of the node bay to make sure there is no physical damage to the connectors.
4. Make sure that the power policy that is implemented on the CMM is sufficient to enable the compute nodes to power on. You can view the power policy from the CMM pmpolicy command and the CMM web interface.
   • For more information about the CMM pmpolicy command, see the "Flex System Chassis Management Module: Command-Line Interface Reference Guide".
   • From the CMM web interface, select Power Modules and Management from the Chassis Management menu. For more information, see the "Flex System Chassis Management Module: User's Guide". All fields and options are described in the CMM web interface online help.
5. Make sure that the Flex System Manager management node has completed the discovery of the compute node. Log in to the Flex System Manager user interface and verify that the compute node appears in the chassis view from the CMM.
6. Replace the upper or lower system-board assembly that does not power on (see Removing a system-board assembly and Installing a system-board assembly).
   Note: Until you are able to replace the system-board assembly, you can attempt to power on the upper or lower compute node from the CMM or from the Flex System Manager user interface.

For additional information, see UEFI Compliant Firmware on System x® and BladeCenter® Servers and the Flex System Quick start guides.