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Administrator Guide 15

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R003

Routine maintenance activities are the most common activities for the storage device, including powering on or off the storage device, managing users, modifying basic parameters of the storage device, and managing hardware components. This document applies to the system administrators who are responsible for carrying out routine maintenance activities, monitoring the storage device, and rectifying common device faults.
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Checking Controllers

Checking Controllers

Controllers of the storage device are responsible for running storage applications, implementing storage mechanisms (StoragePool, LUN mapping, and striping), and managing alarms. You can learn about the health and running status of a controller by checking its status information on the DeviceManager.

Impact on the System

A fault on a controller may impair read/write performance, deteriorate reliability, disrupt services, and cause data loss on the controller module.

Reference Standard

If controllers are working properly, the following items are true on the DeviceManager:
  • All of the controllers are in the Normal health status and Online running status.
  • No controller alarm appears on the Current Alarms tab page.

Procedure

  1. Log in to DeviceManager.
  2. Choose System.
  3. Click the desired controller module in the view.

    The detailed information about the controller module is displayed.
    NOTE:
    If a storage system has multiple cabinets, select a cabinet that you want to view.

  4. View the controller module information in the group box that is displayed.

    Table 9-18 describes associated status parameters.
    Table 9-18  Controller status parameters and their meanings

    Parameter

    Description

    Health Status

    Health status of a controller module. The value can be:
    • Normal: The functionality and operating performance of the controller are normal.
    • Faulty: The controller is working improperly.

    Running Status

    Running status of a controller module. The value can be Online or Offline.

Follow-up Procedure

If a controller alarm appears on the Current Alarms tab page, select the alarm and diagnose the problem according to its details and repair suggestions.

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Updated: 2019-04-17

Document ID: EDOC1000084191

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