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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 file_system_possessed general

change file_system_possessed general


The change file_system_possessed general command is used to set the file system possess.


change file_system_possessed general file_system_id_list=? possess_type=? possess_number=?





file_system_id_list=? ID of the file system whose setting must be changed.
  • Run the "show file_system general" command without any parameters to obtain the value.
  • Multiple IDs are separated by commas (,), or ID range separated by hyphens(-).
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



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

developer:/>change file_system_possessed general file_system_id_list=0 possess_type=page possess_number=65536
WARNING:You are about to modify the available cache quantity of file system. 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 file system 0 successfully.

System Response


Updated: 2020-01-17

Document ID: EDOC1000181602

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