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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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show ddp chunk_info

show ddp chunk_info

Function

The show ddp chunk_info command is used to query the abstracts about deduplication and compression data, including fingerprint of data before deduplication and compression, and checksum of data after deduplication and compression.

Format

show ddp chunk_info domain_id=? chunk_id=? controller=?

Parameters

Parameter

Description

Value

domain_id=?

ID of the domain that you want to query.

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

chunk_id=?

ID of the chunk that you want to query.

The value ranges from 1 to 18446744073709551615.

controller=?

Controller ID.

The value is in the format of "XA" or "XB" or "XC" or "XD", where the "X" is an integer ranging from 0 to 3, for example: "0A", "1C".

Views

Developer view

Usage Guidelines

  • Before running this command, confirm that you have selected the correct domain ID and chunk ID.
  • When runnning this command, specify a controller ID.

Example

To show the abstracts of deduplication and compression chunk "15417" in domain "0".

developer:/>show ddp chunk_info domain_id=0 chunk_id=15417 controller=0A 
Chunk ID : 15417 
Checksum Value : 44253 
Fingerprint : bf916766b5d1fb83a0251a10751d8cc9d9c5198c

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Chunk ID

Chunk ID.

Checksum Value

Chunk verification value.

Fingerprint

Chunk fingerprint.

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181619

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