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Advanced O&M Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F 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 lun_possessed general

change lun_possessed general


The change lun_possessed general command is used to set the LUN possess.


change lun_possessed general lun_id_list=? possess_type=? possess_number=?





lun_id_list=? ID of the LUN whose setting must be changed.

Run the "show lun general" or "show snapshot general" command without any parameters to obtain the value. The LUN IDs separated by commas (,), or LUN ID range separated by hyphens (-), such as: 0, 5-8.

possess_type=? Possess type whose setting must be changed.

The value can be "page" or "chunk".

possess_number=? Possess size whose setting must be changed.

The value can be page or chunk.

  • The value of page is an integer between 32,768 and 999,999,999.
  • The value of chunk is an integer between 8,192 and 999,999,999.


Developer view

Usage Guidelines

Before running the command, ensure that services have been stopped. Otherwise, services may be interrupted.


Set the possess information of the LUN whose ID is 0. Sets the possess type to page and possess size to 65536.

developer:/>change lun_possessed general lun_id_list=0 possess_type=page possess_number=65536
WARNING:You are about to modify the available cache quantity of LUN. This operation will cause cache resource to be re-allocated, then system performance may be degraded.
Suggestion:Before performing this operation, ensure that the correct parameter is configured.
Have you read warning message carefully?(y/n)y
Are you sure you really want to perform the operation?(y/n)y
Change possessed of LUN 0 successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181602

Views: 757291

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