Host Switch Card Problem

What Caused the Problem?

The host switch card in one of the RAID controller modules is not functioning properly. The Recovery Guru Details area provides specific information you will need as you follow the recovery steps.

 Caution: Electrostatic discharge can damage sensitive components. Always use proper antistatic protection when handling components. Touching components without using a proper ground may damage the equipment.

Important Notes

If it is determined in this procedure that the host switch card has failed, you must replace the RAID controller module module containing the faulty switch card.  The RAID controller module containing the faulty Host Card is listed in the Component Requiring Service field in the Details area.

Recovery Steps

1

Select the View Event Log option to determine the initial cause of the problem. The host switch card either:

  • Failed its diagnostic tests during power-up (Event 2843),
  • Experienced a runtime failure because of a communication problem or a specific critical fault (Event 2844), or
  • Is running in a degraded mode or reporting a warning such as an over-temperature condition (Event 2845)

Note: Event 2844 indicates a problem that could be temporary or intermittent. Therefore, it could recover on its own. However, it is best to use the SAN Switch Management application described in step 2 to obtain more details.
2

To further diagnose and possibly fix the problem, start the separate SAN Switch Management application for the host switch card.

Note: Make sure that the SAN Switch Management application is connected to the IP address of the host switch card associated with the affected RAID controller module and storage array.

  • If you were NOT able to fix the problem using the Switch Management application, go to step 3 to prepare the RAID controller module for replacement.
  • If you were able to fix the problem using the Switch Management application, then go to step 5.
3 Place the affected RAID controller module offline using the following steps. The affected RAID controller module is listed in the Details area.
a

Select the RAID controller module in the Array Management Window.
b

Select Advanced >> Recovery >> Place RAID Controller Module >> Offline.
c

Complete the instructions in the dialog, then select Yes.
4

Click the Recheck button to rerun the Recovery Guru. An Offline RAID Controller Module problem should be reported in the Summary area. Follow that procedure to remove and replace the RAID controller module and then go to step 5.

5

 Click the Recheck button to rerun the Recovery Guru. The failure should no longer appear in the Summary area. If the failure appears again, contact your technical support representative.