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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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extent showdrarb

extent showdrarb

Function

The extent showdrarb command is used to view the distribution of red and black tree resources in user pools' distribution analysis.

Format

extent showdrarb [ userpoolId | userpoolId num ]

Parameters

Parameter

Description

Value

userpoolId User pool ID.

The value ranges from 0 to n minus one. n indicates the maximum number of storage pools.

num Information about num user pools after a user pool ID.

User pool ID plus num is less than n minus one, where n indicates the maximum number of storage pools

supported by a product.

Views

Diagnostic view

Usage Guidelines

None

Example

View the distribution of red and black tree resources in user pools' distribution analysis.

admin:/diagnose>extent showdrarb 0
Relocation RB node Num:
Total RB node Num                : 720896
Free RB node Num                 : 720896
Wait for free RB node Num        : 0
Used RB node Num                 : 0

Background del cmd Num           : 0
Background del node Num          : 0

Free extent RB node Num:
Total RB node Num                : 262144
Free RB node Num                 : 262144
Used RB node Num                 : 0

Type Items(Type Value)    Explanatory Note                   
---------------------     -----------------------------------
Tree type(0)              Relocation tree                    
Tree type(1)              Migration  tree                    
Root type(0)              SSD tier to SAS tier tree          
Root type(1)              SSD tier to NearLine_SAS tier tree 
Root type(2)              SAS tier to SSD tier tree          
Root type(3)              SAS tier to NearLine_SAS tier tree 
Root type(4)              NearLine_SAS tier to SSD tier tree 
Root type(5)              NearLine_SAS tier to SAS tier tree 
Root type(6)              Highest available tree             
Root type(7)              Lowest available  tree           

Relocation RB node Num:
Pool(0) node Num of tree type(0) :
RB node Num of rootType(0)       : 0
RB node Num of rootType(1)       : 0
RB node Num of rootType(2)       : 0
RB node Num of rootType(3)       : 0
RB node Num of rootType(4)       : 0
RB node Num of rootType(5)       : 0
RB node Num of rootType(6)       : 0
RB node Num of rootType(7)       : 0
Pool(0) node Num of tree type(1) :
RB node Num of rootType(0)       : 0
RB node Num of rootType(1)       : 0
RB node Num of rootType(2)       : 0
RB node Num of rootType(3)       : 0
RB node Num of rootType(4)       : 0
RB node Num of rootType(5)       : 0
RB node Num of rootType(6)       : 0
RB node Num of rootType(7)       : 0
Background del cmd Num           : 0
Background del node Num          : 0

Free extent RB node Num:

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Relocation RB node Num

Number of red and black tree nodes in distribution analysis.

Total RB node Num

Total number of red and black tree nodes.

Free RB node Num

Number of free red and black tree nodes.

Wait for free RB node Num

Number of red and black tree nodes to be released.

Used RB node Num

Number of used red and black tree nodes.

Background del cmd Num

Number of commands that are deleted in the background.

Background del node Num

Number of nodes that are deleted in the background.

Free extent RB node Num

Number of released extent red and black tree nodes.

RB node Num of rootType(0)

Number of red and black tree nodes on the tree of 0 type.

RB node Num of rootType(1)

Number of red and black tree nodes on the tree of 1 type.

RB node Num of rootType(2)

Number of red and black tree nodes on the tree of 2 type.

RB node Num of rootType(3)

Number of red and black tree nodes on the tree of 3 type.

RB node Num of rootType(4)

Number of red and black tree nodes on the tree of 4 type.

RB node Num of rootType(5)

Number of red and black tree nodes on the tree of 5 type.

RB node Num of rootType(6)

Number of red and black tree nodes on the tree of 6 type.

RB node Num of rootType(7)

Number of red and black tree nodes on the tree of 7 type.

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Updated: 2020-01-17

Document ID: EDOC1000181602

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