Cannot communicate with SAN

Use the information in this section to troubleshoot one or more compute nodes are unable to communicate with SAN.

  1. Make sure that:
    1. The I/O module is powered on and the appropriate ports are enabled on the I/O module.
    2. The CMM has reported that the I/O module has completed POST and that no errors have been reported in the logs.
    3. The SAN device is powered on and is functional.
    4. All cables between the I/O module and the SAN device are properly connected and secure, and that the activity LEDs are lit on the appropriate ports.
  3. See the documentation for the I/O module for additional information about troubleshooting SAN connectivity or network connectivity issues.
Parent topic: Connectivity problems