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Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5 storage systems. It describes hardware installation of those storage systems for helping you easily and quickly finish the installation.

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add lun_copy remote_target

add lun_copy remote_target


The add lun_copy remote_target command is used to add remote target logical unit numbers (LUNs) to a LUN copy task, where the added LUNs must be on a remote storage system from Huawei. You can add extra target LUNs as required by running this command.


add lun_copy remote_target lun_copy_id=? target_array_id=? target_lun_id=?





lun_copy_id=? ID of a LUN copy.

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

target_array_id=? ID of a remote device.

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

target_lun_id=? ID of a remote LUN.

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



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 server 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.


Add a remote target LUN for LUN copy "0", where the ID of the remote device on which the LUN resides is "5" and the target LUN is LUN "2".

admin:/>add lun_copy remote_target lun_copy_id=0 target_array_id=5 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 warning message carefully?(y/n)y
Are you sure you really want to perform the operation?(y/n)y
Command executed successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181601

Views: 380711

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