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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 showiomdstobjinfo

extent showiomdstobjinfo

Function

The extent showiomdstobjinfo command is used to obtain information about nodes in a user pool.

Format

extent showiomdstobjinfo [ 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

Obtain information about nodes in user pool 0.

admin:/diagnose>extent showiomdstobjinfo 0
All dst object information:
    Large rbnode num                   : 4194304
    Small rbnode num                   : 2097152
    Base rbnode num                    : 8388608

Dst object 0 information:
    Allocated extent num               : 1000
    Resource  ratio                    : 50
           Preserved node num    Allocated node num    Free node num
           ------------------    ------------------    -------------
Base       4194304               0                     4194304              
Level 2    2097152               0                     2097152              
Level 1    1048576               0                     1048576              
Level 0    1048576               0                     1048576              
Destage    2048                  0                     2048

System Response

The following table describes the parameter meanings.

Parameter

Meaning

All dst object information

Information about red and black tree nodes monitored in all storage pools.

Large rbnode num

Number of Level 2 red and black tree nodes.

Small rbnode num

Number of Level 1 red and black tree nodes.

Base rbnode num

Number of base red and black tree nodes.

Dst object information

Information about red and black tree nodes monitored in a specified storage pool.

Allocated extent num

Number of allocated extents.

Resource ratio

Ratio of red tree node resources to black red tree node resources.

Preserved node num

Number of reserved nodes.

Allocated node num

Number of allocated nodes.

Free node num

Number of free nodes.

Base

Base red and black tree nodes.

Level 2

Level 2 red and black tree nodes.

Level 1

Level 1 red and black tree nodes.

Level 0

Level 0 red and black tree nodes.

Destage

Node on the obsoleting tree.

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Updated: 2020-03-19

Document ID: EDOC1000181602

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