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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 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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mr showckgmgr

mr showckgmgr


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


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





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.


Diagnostic view

Usage Guidelines



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

System Response

The following table describes the parameter meanings.



ckg info head

Head information of CKGs.

ckg info page

Page information of CKGs.

Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 724434

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