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Event Reference for File

OceanStor Dorado V3 Series V300R002

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.
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0xF0015001B Link Between A Host And Storage Array Is Unstable

0xF0015001B Link Between A Host And Storage Array Is Unstable

Description

A link between a host and storage array is unstable.

Applicable Model

Applicable to all models.

Attribute

ID

Event Type

Event Level

Automatically Cleared

0xF0015001B

Run Log

Major

Yes

Impact on the System

The storage array reliability decreases, causing service interruption risks.

Possible Causes

  • Cables between the host and the storage array are loose or damaged.
  • Optical modules are faulty.
  • The front-end port is faulty.
  • The host HBA is faulty.
  • Switches are faulty.

Procedure

  1. Check the cables connected between the host and the storage array.

    1. If any cable is loose, reinsert it. If the alarm persists=> 1.2.
    2. Replace the cable. If the alarm persists=> Step2.

  2. Check whether alarms are generated indicating optical module faults.

    1. If yes, handle the alarms by taking recommended actions. If the alarm persists=> Step3.
    2. If no=> Step3.

  3. Check whether alarms are generated indicating port faults.

    1. If yes, handle the alarms by taking recommended actions. If the alarm persists=> Step4.
    2. If no=> Step4.

  4. Check the HBAs on the host. Contact the HBA provider for help when necessary.
  5. Check related switches. Contact the switch provider for help when necessary.
  6. Collect related information and contact technical support engineers.
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Updated: 2019-07-17

Document ID: EDOC1100076630

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