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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 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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show space dmn_info

show space dmn_info

Function

The show space dmn_info command is used to query the running status of a specified object.

Format

show space dmn_info object_set_id=? controller=? type=? [ object_id=? ]

Parameters

Parameter

Description

Value

object_set_id=?

ID of the object set.

The value is the sum of the file system ID and the base object set ID. The base object set ID of the file system is "0x4000000000" (in hexadecimal) = "274877906944" (in decimal). The MOS base object set ID is "0x2000000000" (in hexadecimal) = "137438953472" (in decimal). The DCL base object set ID is "0x5000000000" (in hexadecimal) = "343597383680" (in decimal). For example, if the file system ID is "20", the object set ID of the file system = "0x4000000000" + "20".

controller=?

Controller ID.

The value is in the format of "XA", "XB", "XC", or "XD", where "X" is an integer ranging from 0 to 3, for example, "0A" or "1C".

type=?

Type of object information.

The value can be "bonuscache", "cache", "disk", "mgr", or "dirty".

object_id=?

Object ID.

The value must be greater than "0", and smaller than "2305843009213693952".

Views

Developer view

Usage Guidelines

You can enter "type=dirty" to query all dmns whose dirty data is being flushed of the object set, without entering "object_id". When "type" is set to another type, "object_id" must be entered.

Example

  • Query the running status of object "3" in object set "274877906944" from "cache".
    developer:/>show space dmn_info object_set_id=274877906944 controller=0A type=cache object_id=3 
      
      DMN Magic Number         : 538118670                                   
      Basic Magic              : 538118670                                   
      DMN Status               : NORMAL | SMALL OBJ | MICRO APO | NORMAL OBJ  
      Object Set ID            : 274877906944                                
      Object ID                : 3                                           
      Object Type              : SPC_OT_DIRECTORY_CONTENTS                   
      VAAI Time Point          : 0                                           
      Object Size              : 3072                                        
      Object Block Size        : 8                                           
      Out Count                : 1                                         
      Reference Count          : 0                                           
      DMN Manager Magic Number : 538184206                                   
      Generate ID              : 0                                           
      Sync Flag                : 0                                           
      VAAI Version             : --                                          
      VAAI Size                : --                                          
      Root Magic               : --                                          
      Root SpaceId             : --                                          
      Root ObjsetId            : --                                          
      Root ObjId               : --                                          
      Root ItemNum           : --                                          
      Root Txno                : --                                          
      Root Stortype            : --                                          
      Root DataBlkSize         : --                                          
      Root Datalen             : --                                          
      Root status              : -- 
      Root version             : -- 
      Mem Flag                 : 0 
      Object Used Block Count  : 1 
      Write Tier Type          : HDD 
      Move Tier Type           : HDD 
      Tier Status              : COMPLETED
  • Query the dirty objects in object set "274877906944".
    developer:/>show space dmn_info object_set_id=274877906944 controller=0A type=dirty 
     
      DMN Magic Number         : 538118670                                
      Basic Magic              : 538118670                                   
      DMN Status               : NORMAL | BIG OBJ | MICRO APO | NORMAL OBJ  
      Object Set ID            : 274877906944                                
      Object ID                : 0                                           
      Object Type              : SPC_OT_DMN 
      VAAI Time Point          : 0                                           
      Object Size              : 3072                                      
      Object Block Size        : 8                                           
      Out Count                : 1                                           
      Reference Count          : 0                                           
      DMN Manager Magic Number : 538184206                                   
      Generate ID              : 0                                           
      Sync Flag                : 0                                           
      VAAI Version             : --                                          
      VAAI Size                : --                                          
      Root Magic               : --                                          
      Root SpaceId             : --                                          
      Root ObjsetId          : --                                          
      Root ObjId               : --                                          
      Root ItemNum             : --                                          
      Root Txno                : --                                          
      Root Stortype            : --                                          
      Root DataBlkSize         : --                                          
      Root Datalen             : --                                          
      Root status              : -- 
      Root version             : -- 
      Mem Flag                 : 0 
      Object Used Block Count  : 1 
      Write Tier Type          : HDD 
      Move Tier Type           : HDD 
      Tier Status              : COMPLETED 
    ---------------------------------------------------------------  
      DMN Magic Number         : 538118670                                   
      Basic Magic              : 538118670                                   
      DMN Status               : NORMAL | BIG OBJ | MICRO APO | NORMAL OBJ  
      Object Set ID            : 274877906944                                
      Object ID                : 5770                                           
      Object Type              : SPC_OT_PLAIN_FILE_CONTENTS 
      VAAI Time Point          : 0                                           
      Object Size              : 1048576                                        
      Object Block Size        : 128                                           
      Out Count                : 0                                           
      Reference Count          : 0                                           
      DMN Manager Magic Number : 538184206                                   
      Generate ID              : 1                                           
      Sync Flag                : 3 
      VAAI Version             : --                                          
      VAAI Size                : --                                          
      Root Magic               : 30526211107547491                                   
      Root SpaceId             : 0                                          
      Root ObjsetId            : 274877906944                                          
      Root ObjId               : 5770                                          
      Root ItemNum             : 1600                                         
      Root Txno                : 36                                          
      Root Stortype            : 2                                          
      Root DataBlkSize         : 128                                          
      Root Datalen          : 1920                                          
      Root status              : 2 
      Root version             : 0  
      Mem Flag                 : 1 
      Object Used Block Count  : 16 
      Write Tier Type          : HDD 
      Move Tier Type           : HDD 
      Tier Status              : COMPLETED

System Response

The following table describes the parameter meanings.

Parameter

Meaning

DMN Magic Number

Magic number of dmn.

Basic Magic

Basic magic number of dmn.

DMN Status

Status value of dmn.

Object Set ID

Object set ID of dmn.

Object ID

Object ID of dmn.

Object Type

Object type of dmn.

VAAI Time Point

VAAI transaction number of dmn.

Object Size

Object size of dmn.

Object Block Size

Block size of dmn.

Out Count

External reference count of dmn.

Reference Count

Internal reference count of dmn.

DMN Manager Magic Number

mgr magic number of dmn.

Generate ID

Generation ID of dmn.

Sync Flag

Synchronization flag of dmn.

VAAI Version

VAAI version of dmn.

VAAI Size

VAAI capacity of dmn.

Root Magic

Root magic of dmn.

Root SpaceId

Space ID of the object set of dmn.

Root ObjsetId

ID of the object set to which dmn belongs.

Root ObjId

Object ID of dmn.

Root ItemNum

Number of items of the dmn object.

Root Txno

Transaction number recorded by the root.

Root Stortype

Disk layout recorded by the root.

Root DataBlkSize

Block size recorded by the root.

Root Datalen

Data length recorded by the root.

Root status

Status of the root.

Root version

Version recorded by the root.

Mem Flag

Memory flag of dmn.

Object Used Block Count

Number of blocks used by dmn.

Write Tier Type

Type of the tier where files are written.

Move Tier Type

Type of the tier where files are relocated.

Tier Status

Whether files are stored in one tier.

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181602

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