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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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dpumm_shm show modmem

dpumm_shm show modmem


The dpumm_shm show modmem command is used to show the shared memory usage of all modules.


dpumm_shm show modmem usermode





usermode This parameter is mandatory. It must be added to the end of a command as a suffix to query user state information.

The value can be:

  • "-app_data": executes the command for the app_data process.
  • "-devm": executes the command for the devm process.
  • "-sys_app": executes the command for the sys_app process.
  • "-cfg_app": executes the command for the cfg_app process.


Diagnostic view

Usage Guidelines

OceanStor 18500 V5 Kunpeng, 18500F V5 Kunpeng, 18800 V5 Kunpeng and 18800F V5 Kunpeng storage systems support this command.


Show the memory usage of the module.

admin:/diagnose> dpumm_shm show modmem -app_data
Module Id    Module Name      Memory Size(Byte)   
------------ ---------------- --------------------
142          IO_SCHED         2721243136          
151          BDM              196608              
153          BDM_LD           3837952             
157          BDM_SIO          417808384           
382          dpuc             16384               
384          UKAPI            46940160            
385          dpumm_shm        155181056           
387          NONE             16384               
392          CM               24576               
396          JAGUARDB_LKV     357818368           
430          SYS_XMSG         16384               
496          BDM_EIO          22167552            
523          NONE             62119936            
705          SAS_INI_SAL      75382784            
900          FTDS             1400832             

System Response

The following table describes the parameter meanings.



Module ID

Module ID.

Module Name

Module name.

Memory Size(Byte)

Size of the used memory.

Updated: 2020-01-17

Document ID: EDOC1000181602

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