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Event Reference

OceanStor Dorado V3 Series V300R001

This document is applicable to OceanStor Dorado5000 V3, Dorado6000 V3 and Dorado18000 V3. This document describes the basic knowledge about the events of storage system in terms of event definition, event level, impact on the system, possible cause, and handling procedure. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.

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0xF00CF0076 Failed To Monitor The Controller

0xF00CF0076 Failed To Monitor The Controller

Description

The system cannot monitor a controller.

Applicable Model

Applicable to all models.

Attribute

ID

Event Level

Automatically Cleared

0xF00CF0076

Critical

Yes

Impact on the System

  • If a controller fails, the storage system reliability decreases.
  • With the write protection function being enabled (by default) when an engine works with a single controller, if the controller that fails to be initiated cannot return to normal within the specified period, the write function of services on the engine where the faulty node resides is disabled and the read performance is reduced.

Possible Causes

  • The controller is restarted.
  • The controller is faulty.
  • The controller is not inserted.

Procedure

  1. Check whether the controller that cannot be monitored is inserted. If no, insert the controller and wait until the controller is powered on. If yes=> Step2.
  2. The system enters the write protection status after a while. The system does not provide write services and read performance decreases. If you want to restore system performance, enter the developer of CLI and run the "change system write_policy write_protect_switch=Disable" command to disable the single-controller write protection function. However, if the controller malfunctions after the function is disabled, data may be lost, affecting system reliability. Then go to step3.
  3. Collect all related information (Method 1: On DeviceManager, choose "Settings" > "Export Data". Method 2: On CLI, run the "export event" command.) and contact technical support engineers.
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Updated: 2018-10-19

Document ID: EDOC1000141827

Views: 94427

Downloads: 178

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