Checking Whether a Disk Enclosure Has Only One Link

Procedure

1. Check whether a mini SAS cable and an expansion module are removed or faulty.
   • If yes, go to step 2.
   • If no, go to step 3.

2. Reinsert or replace the mini SAS cable and the expansion module, and then log in to the DeviceManager and check whether the alarm is cleared.
   • If yes, no further action is required.
   • If no, go to step 3.

3. Replace an expansion module.
   NOTE:

   For details about how to replace an expansion module, see OceanStor 5300 V3&5500 V3&5600 V3&5800 V3&6800 V3&6900 V3 Storage SystemV300R001 Parts Replacement or OceanStor 5300 V3&5500 V3&5600 V3&5800 V3&6800 V3 Storage System V300R002 Parts Replacement:

   • For disk enclosure, see Replacing an Expansion Module.
   • For high-density disk enclosure, see Replacing an Expansion Module.
   After replacing the expansion module, log in to the DeviceManager to check whether the alarm is cleared.

   • If yes, no further action is required.
   • If no, go to step 4.

4. Collect related information and contact technical support engineers.