Method used to rectify the faulty S5500T controller

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The method used to rectify the faulty S5500T controller is:

Check the alarms and logs to locate the fault and analyze causes. It is recommended that frontline engineers submit the fault to the technical support center for handling.

Other related questions:
Method used to check whether a disk is faulty
Method used to check whether a disk is faulty: If a disk is faulty, the red indicator on the disk is on and alarms are displayed on the ISM GUI. Check the message log by searching for the keywords hardware error.

Method used to rectify RAID (or LUN) faults
Method used to rectify RAID (or LUN) faults: 1. On the CLI, ISM GUI, or Web GUI, check whether RAID groups or LUNs are invalid. If yes, contact Huawei technical support. 2. If a RAID group is degraded and all LUNs are valid, replace the faulty disk.

Redundancy of OceanStor T Series S5500T V100R005
The following lists the redundancy of main components of OceanStor T Series S5500T V100R005: Controller (dual-controller): 1 + 1 Expansion module: 1 + 1 Power module: 1 + 1 Fan BBU module: 1 + 1

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