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OceanStor Dorado V3系列 V300R002 高级运维命令参考(块业务)

本产品文档适用于OceanStor Dorado3000 V3, Dorado5000 V3, Dorado6000 V3和Dorado18000 V3。本文档针对CLI命令行,介绍如何使用CLI设置和管理存储系统,以及按功能分类详细介 绍各命令的使用方法。
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change writecache_emergency status

change writecache_emergency status

命令功能

change writecache_emergency status命令用于修改writecache逃生状态。

命令格式

change writecache_emergency status disk_pool_id=? status=? [ controller=? ]

参数说明

参数

参数说明

取值

disk_pool_id=?

硬盘池ID。

取值为0到31的整数,执行“show pool_manager disk_pool”命令获取。

status=?

设置逃生的状态。

取值为start或stop,各取值说明如下:

  • start:启动逃生。
  • stop:停止逃生。

controller=?

控制器ID。

取值格式为“XA”,“XB”,“XC”或者“XD”,“X”的取值为0到3的整数,例如“0A”或者“1C”。

视图

研发视图

使用指南

  • 执行“change writecache_emergency status disk_pool_id=? status=?”,在当前控制器上设置逃生状态,只在当前控制器生效。
  • 执行“change writecache_emergency status disk_pool_id=? status=? controller=?”,在指定控制器上设置逃生状态,只在指定控制器生效。

使用实例

  • 在当前控制器上启动writecache逃生。
    developer:/>change writecache_emergency status disk_pool_id=0 status=start 
    DANGER: You are about to change write cache emergency status. When the system is abnormal, this operation may lead the system reserved write cache space to be used up, and system services cannot be restored.  
    Suggestion: Confirm the following items before operation  
    1. Whether there is another way to restore system services. If yes, do not start write cache emergency.  
    2. Confirm no other faults such as disk removal, node fault, or enclosure power-off occurs. The faults will automatically stops the emergency function.  
    3. Confirm that parameters are correct. 
    Have you read danger alert message carefully?(y/n)
  • 在当前控制器上停止writecache逃生。
    developer:/>change writecache_emergency status disk_pool_id=0 status=stop 
    DANGER: You are about to change write cache emergency status. When the system is abnormal, this operation may lead the system reserved write cache space to be used up, and system services cannot be restored.  
    Suggestion: Confirm the following items before operation  
    1. Whether there is another way to restore system services. If yes, do not start write cache emergency.  
    2. Confirm no other faults such as disk removal, node fault, or enclosure power-off occurs. The faults will automatically stops the emergency function.  
    3. Confirm that parameters are correct. 
    Have you read danger alert message carefully?(y/n)
  • 在指定控制器上启动writecache逃生。
    developer:/>change writecache_emergency status disk_pool_id=0 status=start controller=0A 
    DANGER: You are about to change write cache emergency status. When the system is abnormal, this operation may lead the system reserved write cache space to be used up, and system services cannot be restored.  
    Suggestion: Confirm the following items before operation  
    1. Whether there is another way to restore system services. If yes, do not start write cache emergency.  
    2. Confirm no other faults such as disk removal, node fault, or enclosure power-off occurs. The faults will automatically stops the emergency function.  
    3. Confirm that parameters are correct. 
    Have you read danger alert message carefully?(y/n)
  • 在指定控制器上停止writecache逃生。
    developer:/>change writecache_emergency status disk_pool_id=0 status=stop controller=0A 
    DANGER: You are about to change write cache emergency status. When the system is abnormal, this operation may lead the system reserved write cache space to be used up, and system services cannot be restored.  
    Suggestion: Confirm the following items before operation  
    1. Whether there is another way to restore system services. If yes, do not start write cache emergency.  
    2. Confirm no other faults such as disk removal, node fault, or enclosure power-off occurs. The faults will automatically stops the emergency function.  
    3. Confirm that parameters are correct. 
    Have you read danger alert message carefully?(y/n)

输出说明

无。

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更新时间:2019-07-17

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