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OceanStor 9000 V5 7.0 Command Reference 03

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
change node disable

change node disable

Function

The change node disable command is used to disable a node.

Format

change node disable < id >

Parameters

Parameter

Description

Value

id Node ID.

The value can contain 1 to 127 letters, digits, hyphens (-), underscores (_), and periods (.).

Level

Device administrator

Usage Guidelines

  • Before running this command to disable a node, run show system arbitration_information to check system arbitration information and determine whether the node can be disabled.
  • To ensure data security, in the event of disabling a node, it is required that a minimum of four nodes exist in the node pool where the node to be disabled resides. In addition, if disabling a node reduces the reliability of stored data, a message is displayed to indicate that the node cannot be disabled. If a node is faulty, prevent the node from staying offline for a long time. It is recommended that you rectify the fault as soon as possible. If the fault cannot be rectified, replace the node or the system disks of the node.
  • You can disable, freeze, power off, or restart only one node to ensure data security.
  • After the node is disabled, services running on this node are switched over to other nodes and data on the node is migrated to other nodes.

Example

Disable a node.

admin:/>change node disable 12814  
DANGER: You are about to disable the node. After the node is disabled, data on the node will be taken over by other nodes. This operation cannot be undone.
Have you read danger alert message carefully?(y/n)y
Are you sure you want to perform the operation?(y/n)y
Command sent successfully. Please use command 'show task general' for details.

System Response

None

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Updated: 2019-05-07

Document ID: EDOC1100067955

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