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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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fssnap show bpo

fssnap show bpo


The fssnap show bpo command is used to query the BPO object information about a snapshot.


fssnap show bpo spaceId bpoId





spaceId File system ID.

To obtain the value, run the "show file_system general" command.

bpoId BPO object ID.

To obtain the value, run the "fssnap show deadlist" command.


Diagnostic view

Usage Guidelines



Query the BPO information about snapshot deadlist "4008" of file system "1".

admin:/diagnose>fssnap show bpo 1 4008
 magic num           : 2591577909
 subbpo id           : 0
 subbpo num          : 0
 level               : 0
 dir bp num          : 1
 indir bp num        : 1
 bpo bytes           : 8192
 bpo comp            : 8192
 bpo uncomp          : 8192
 bpo leaf      used  : 4096
 bpo indir     used  : 4096
 bpo meta      used  : 8192
 bpo filedata  used  : 0

System Response

The following table describes the parameter meanings.



magic num

Magic number.

subbpo id

SUBBPO object ID.

subbpo num

Number of SUBBPO.



dir bp num

Number of direct blocks.

indir bp num

Number of indirect blocks.

bpo bytes

BPO's used space.

bpo comp

BPO's compressed space.

bpo uncomp

BPO's uncompressed space.

bpo leaf used

BPO's leaf block space.

bpo indir used

BPO's indirect block space.

bpo meta used

BPO's metadata space.

bpo filedata used

BPO's file data space.

Updated: 2020-01-17

Document ID: EDOC1000181602

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