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Advanced O&M Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 V3. 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. 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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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: 2019-07-12

Document ID: EDOC1000138389

Views: 488970

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