Lenovo Flex System x280 X6 Compute Node Installation And Service Manual page 692

Multiple nodes cannot ping the management node in the same chassis and
different chassis:
Use the information in this section to troubleshoot multiple nodes that cannot ping
the IBM Flex System Manager management node in the same chassis or a different
chassis on the data network.
1. Follow the steps in Multiple nodes cannot ping the management node in the
2. Follow the steps in Multiple nodes cannot ping the management node in a
Single node cannot ping the management node in a different chassis:
Use the information in this section to troubleshoot a single compute node that
cannot ping the IBM Flex System Manager management node in a different chassis
on the data network.
1. Make sure that the management node is powered on and is not hung, by
2. Make sure that the I/O module is powered on and is not hung, by pinging the
3. Make sure that the compute node is the only one in the chassis that the
4. Make sure that the IP configuration settings on the node are correct and that
5. Check the IBM Support Portal for any firmware updates that might apply to
6. Check the IBM Support Portal for any service bulletins that are related to
7. Remove the compute node and make sure that the connectors on the midplane
8. (Trained service technician only) Complete the following steps:
9.
Single node cannot ping the management node in the same chassis:
Use the information in this section to troubleshoot a single compute node that
cannot ping the IBM Flex System Manager management node in the same chassis
on the data network.
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Flex System x280 X6, x480 X6, and x880 X6 Compute Node Types 7903 and 4259: Installation and Service Guide
b. Check the connectors on the nodes and the midplane to make sure that no
pins are bent.
c. Replace the I/O expansion card in the management node.
same chassis.
different chassis.
logging in to the management node. If you are unable to log in from the
management network, attempt to log in from the data network. If the
management node is powered on and hung, perform a virtual reseat of the
management node from the CMM.
I/O module from the management node. If the I/O module is powered on and
hung, reset the I/O module. Make sure that the correct ports are enabled for
the node on the I/O module.
management node cannot ping. If it is not, follow the steps in Multiple nodes
cannot ping the management node in the same chassis.
the port is enabled.
this issue. You can view the release notes for a firmware update to determine
the issues that are addressed by the update.
network connectivity.
and the node are not damaged.
a. Force the link/duplex speed.
b. Check the connectors on the node and the midplane to make sure that no
pins are bent.