Unable to Find Expansion Disk Enclosures Due to the Cross Connection of FC Cables

Publication Date:  2012-07-22 Views:  181 Downloads:  0
Issue Description

In a maintenance terminal, no expansion disk enclosures can be found on the ISM. Also, the disk enclosure IDs are displayed as blank.

Product and version information:
  • S2600
  • S5000 series
Alarm Information
None
Handling Process
Take measures as suggested below to avoid this problem:
Connect the EXP0 port of controller enclosure ID00 to the PRI port of expansion disk enclosure ID00.
Connect the EXP0 port of controller enclosure ID01 to the PRI port of expansion disk enclosure ID01.
Root Cause
  1. By checking the FC connections, it is found that: The EXP0 ports of controller enclosure ID00/ID01 are connected to the PRI ports of expansion disk enclosures ID01/ID00 respectively; While the EXP0 ports of controller enclosure ID00/ID01 should actually be connected to the PRI ports of expansion disk enclosures ID00/ID01 respectively.

Conclusion:

  • No expansion disk enclosures can be found due to the cross connection of FC cables.
Suggestions

Implement deployments according to the installation guide strictly.

END