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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 showfilemgr

mr showfilemgr


The mr showfilemgr command is used to view information about existing metadata backup files in a disk domain.


mr showfilemgr -p poolId -i pageIdx -o startFileIdx





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


pageIdx Page number.

The value ranges from 0 to 390.

startFileIdx Start file sequence number.

The value ranges from 0 to 167.


Diagnostic view

Usage Guidelines



View information about existing metadata backup files in disk domain 0.

admin:/diagnose>mr showfilemgr -p 0 -i 0 -o 0
 file head:
           used file num       : 5         
           last file idx       : 4         
 file page:
             tree handle      root blk ID    
             ------------     ------------   
             0x19000000000       0x4000001300000000
             0x19002800000       0x4000001300000011
             0x19005000000       0x4000001300000022
             0x22000000000       0x4000001300000033
             0x27000000000       0x4000400600000000

System Response

The following table describes the parameter meanings.



used file num

Number of used files.

last file idx

Last file sequence number.

tree handle

File name.

root blk ID

ID of the root block.

Updated: 2020-01-17

Document ID: EDOC1000181602

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