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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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show ddp domain_info

show ddp domain_info


The show ddp domain_info command is used to show parameters related to domains. The parameters include the domain ID, whether deduplication is enabled, whether the current transaction has been submitted, DIF type, block size of a sector, last step, current status, current transaction ID, SmartCache volume ID, SmartCache partition ID, SmartCache object pointer, deduplication version, and deduplication flow control time.


show ddp domain_info domain_id=? controller=?





domain_id=? ID of the domain that you want to view.

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

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".


Developer view

Usage Guidelines

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


Show the domain information about domain "0".

developer:/>show ddp domain_info domain_id=0 controller=0A
Domain ID : 0
Is In Service : Yes
Transaction Commit Flag : 1
DIF Type : 0
Sector Size : 520.000B
Last Step : Start background task
Current Stat : Done
Current Transaction Number : 0
Smart Cache Volume ID : 0
Smart Cache Partition ID : 4294967295
Smart Cache Object Pointer : 0x0
Deduplication Version : 0
Flow Ctrl Time(ms) : 400~600

System Response

The following table describes the parameter meanings.



Domain ID

ID of the domain.

Is In Service

Whether the service is started.

Transaction Commit Flag

Whether the transaction is committed.

DIF Type

DIF flag.

Sector Size

DIF block size.

Last Step

Last step.

Current Stat

Current status.

Current Transaction Number

Transaction ID.

Smart Cache Volume ID

Volume ID.

Smart Cache Partition ID

Partition ID.

Smart Cache Object Pointer

Object pointer.

Deduplication Version

Deduplication version.

Flow Ctrl Time(ms)

Time value of the deduplication flow control function.

Updated: 2020-01-17

Document ID: EDOC1000181575

Views: 728767

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