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Command Reference 10

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

"Based on the CLI, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these commands. 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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add lun_copy local_target

add lun_copy local_target

Function

The add lun_copy local_target command is used to add local target logical unit numbers (LUNs) to a LUN copy task. You can add extra local target LUNs as required by running this command.

Format

add lun_copy local_target lun_copy_id=? target_lun_id=?

Parameters

Parameter

Description

Value

lun_copy_id=? ID of a LUN copy.

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

target_lun_id=? ID of a local LUN to be added.

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

Level

Administrator

Usage Guidelines

  • The data of a source LUN overwrites that of a target LUN upon the start of a LUN copy task.
  • Before running this command, ensure that the selected LUN copy task and target LUN are exactly the ones you want to use for a LUN copy task, and that no application sever is accessing the target LUN.
  • The selected LUN copy can not be in the state of copying or paused.
  • Different LUN copy tasks cannot share the same target LUN.

Example

To add local target LUN "2" to LUN copy "0", run the following command:

admin:/>add lun_copy local_target lun_copy_id=0 target_lun_id=2
WARNING: You are about to build a LUN copy relationship between source LUN and target LUN. After this operation, the data on the target LUN will be overwritten by the data on the source LUN.
Suggestion:Before performing this operation, ensure that the selected source and target LUNs are correct, and the target LUN is not being read or written by hosts.
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

None

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Updated: 2019-07-22

Document ID: EDOC1000084078

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