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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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0xF000A0121 Slow Disk Response

0xF000A0121 Slow Disk Response


The disk responds slowly.

Applicable Model

Applicable to all models.



Event Level

Automatically Cleared




Impact on the System

The storage pool that houses the disk may have compromised I/O performance or even degrade.

Possible Causes

  • The disk is faulty.
  • Expansion ports are partially damaged.
  • The disk is incorrectly inserted into its slot.
  • Expansion modules are faulty.
  • Disk enclosure backplanes are faulty.


  1. Check whether alarms are generated indicating disk faults.

    1. If yes, replace the faulty disks. If the alarm persists=> Step2.
    2. If no=> Step2.

  2. Check whether any expansion port is faulty.

    1. If yes, replace the interface module where the faulty port resides. If the alarm persists=> Step3.
    2. If no=> Step3.

  3. Check whether the disk is firmly inserted.

    1. If no, reinsert the disk. If the alarm persists=> Step4.
    2. If yes=> Step4.

  4. Check whether alarms are generated indicating expansion module faults.

    1. If yes, replace the faulty expansion modules. If the alarm persists=> Step5.
    2. If no=> Step5.

  5. Collect related information and contact technical support engineers.
Updated: 2018-10-19

Document ID: EDOC1000141827

Views: 87317

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