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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F 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 showblkmgr

mr showblkmgr

Function

The mr showblkmgr command is used to view the allocation of metadata backup space in a disk domain.

Format

mr showblkmgr -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

ID of a block BMP page.

The value ranges from 0 to 499.

offset

Offset within a page.

The value ranges from 0 to 62.

blockType

Block type.

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

Views

Diagnostic view

Usage Guidelines

None

Example

View the allocation of metadata backup space in disk domain 0.

admin:/diagnose>mr showblkmgr -p 0 -i 0 -o 0 -b 2 
 block bmp head: 
                cur max blk num     : 64         
                used blk num        : 6          
 block bmp page: 
 used bit num: 6 
                used bit map 
                ------------ 
                0x3f         
                0x0          
                0x0          
                0x0          
                0x0          
                0x0          
             0x0          
                0x0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

block bmp head

Header information of block allocation bitmap.

block bmp page

Page information of block allocation bitmap.

used bit num

Number of blocks that have been used.

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Updated: 2019-07-11

Document ID: EDOC1000181619

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