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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F V5. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands.
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change disk prefail

change disk prefail


The change disk prefail command is used to enable a specific disk to be about to fail.


change disk prefail disk_id=?






Disk ID.

To obtain the value, run "show disk general".


Developer view

Usage Guidelines



Enable a disk to be about to fail.

developer:/>change disk prefail disk_id=DAE000.0 
DANGER: You are about to enable a disk to be about to fail. This operation may cause system exceptions. 
Suggestion: Before running this command, pay attention to the following: 
1. Only a technical support engineer or a higher-level engineer can run this command. 
2. This operation will enable the specified disk to be about to fail. That disk may be isolated. 
3. After running the command, run the "show disk general" command to query whether the Health Status of the disk is "Normal". If yes, the command does not take effect and needs to be run again. 
4. After running this command, confirm that the system runs properly. 
Have you read danger alert message carefully?(y/n)y 
Are you sure you really want to perform the operation?(y/n)y 
Command executed successfully.

System Response


Updated: 2019-07-11

Document ID: EDOC1000181619

Views: 631829

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