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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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mr showckgmgr

mr showckgmgr

Function

The mr showckgmgr command is used to view the chunk group (CKG) occupied by metadata backup in a disk domain.

Format

mr showckgmgr -p poolId -i pageIdx -o offset -b blockType

Parameters

Parameter

Description

Value

poolId Disk domain ID.

The value ranges from 0 to n minus one, where n indicates the maximum number of disk domains supported by a product.

pageIdx Page number.

The value ranges from 0 to 249.

offset Offset value.

The value ranges from 0 to 1007.

blockType Block type.

The value can be "0", "1", and "2", where:

  • "0": block array.
  • "1": metadata backup of a pool.
  • "2": metadata backup of a LUN.

Views

Diagnostic view

Usage Guidelines

None

Example

View the CKG occupied by metadata backup block arrays in disk domain 0.

admin:/diagnose>mr showckgmgr -p 0 -i 0 -o 0 -b 0
 ckg info head:  
                real alloc ckg num    : 1         
 ckg info page:
                   alloc ckg id
                   -------------
                   0x40000014

System Response

The following table describes the parameter meanings.

Parameter

Meaning

ckg info head

Head information of CKGs.

ckg info page

Page information of CKGs.

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Updated: 2020-01-17

Document ID: EDOC1000181602

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