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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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0xF000B0102 External LUN Is Changed To Command Device

0xF000B0102 External LUN Is Changed To Command Device


An external LUN is changed to a command device.

Applicable Model

Applicable to all models.



Event Type

Event Level

Automatically Cleared





Impact on the System

When reconnecting related physical links, this LUN cannot gain access.

Possible Causes

The remote related LUN is changed to a command device.


  1. Confirm the reason for the operation of this LUN.

    1. If the customer changes the LUN to a command device on purpose=> Step2.
    2. If it is a misoperation, change the LUN back to normal LUN=> Step4.

  2. Check whether the LUN is used or not.

    1. If the LUN is used, stop dispatching I/O to this LUN and delete the eDevLUN related=> Step3.
    2. If the LUN is not used=> Step3.

  3. Unmap this LUN and rescan for remote LUNs=> Step4.
  4. Clear the alarm manually.
Updated: 2019-07-17

Document ID: EDOC1100076630

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