Lenovo Flex System x220, Инструкция по установке и обслуживанию

Страница: 629 / 714

8. Remove the compute node from the chassis and check the connectors on the back of the node and on
the chassis midplane for bent pins. If the pins are bent, contact Support.
9. (Trained service technician only) Complete the following steps:
a. Force the link/duplex speed.
b. Check the connectors on the nodes and on the chassis midplane to make sure that no pins are bent.
c. Replace the I/O expansion card in the management node.
d. Replace the management node.
Cannot ping the I/O module
Use the information in this section to troubleshoot the compute node when one or more compute nodes
cannot ping the I/O module.
Single node cannot ping the I/O module
Use the information in this section to troubleshoot a single compute node that cannot ping the I/O module.
Complete the following steps until the problem is solved:
1. If you have recently updated the firmware for one or more devices in the chassis (I/O module) and have
verified the network settings, install the previous level of firmware.
2. Make sure that the I/O module is powered on and the applicable ports are enabled on the I/O module.
3. Make sure that all network cables are correctly connected and that the activity LEDs are lit. If the cables
are correctly connected and the LEDs are not lit, replace the cable.
4. Check http://www.lenovo.com/support for any firmware updates that might apply to this problem.
You can view the release notes for a firmware update to determine the issues that are addressed by
the update.
5. Remove the node from the chassis and check the connectors at the back of the node for bent pins. If
the pins are bent, go to http://www.lenovo.com/support to submit a service request.
6. Install the compute node in another node bay, if one is available. If the problem remains, make sure
that the compute node is connected to a port that has been enabled and that the vLAN settings allow
that port to connect to the network.
7. Check http://www.lenovo.com/support for any service bulletins that are related to I/O-module
connectivity.
8. If the problem remains, replace the I/O module, and go to http://www.lenovo.com/support to submit a
service request.
9. (Trained service technician only) Complete the following steps:
a. Force the link/duplex speed.
b. Check the connectors on the I/O module to make sure that no pins are bent.
c. Check the connectors on the chassis midplane to make sure that no pins are bent.
d. Remove the I/O module and install a working I/O module in the same I/O bay.
e. If the problem is solved, replace the I/O module that you removed.
Multiple nodes cannot ping the I/O module
Use the information in this section to troubleshoot multiple nodes that cannot ping the I/O module.
Complete the following steps until the problem is solved:
1. If you have recently updated the firmware for one or more devices in the chassis (I/O module or CMM),
install the previous level of firmware.
2. Make sure that the I/O module is powered on and the applicable ports are enabled on the I/O module.
Chapter 6
.
Troubleshooting
621