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Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 V3. Based on the CLI provided by the DeviceManager, this document describes how to use variouscommands classified by functions and how to set the CLI and manage the storage system throughthese 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 lun dedup_compress

show lun dedup_compress

Function

The show lun dedup_compress command is used to query information on existing ROW LUNs of the storage system. ROW LUNs are LUNs with deduplication and compression properties.

Format

show lun dedup_compress [ lun_id=? | lun_name=? | mapping_view_id=? | mapping_view_name=? | pool_id=? | usage_type=? ]

Parameters

Parameter

Description

Value

lun_id=?

ID of the ROW LUN whose information you want to query.

To obtain the value, run "show lun dedup_compress" without parameters.

lun_name=?

Name of the ROW LUN whose information you want to query.

To obtain the value, run "show lun dedup_compress" without parameters.

pool_id=?

ID of a storage pool. Using this parameter queries information on ROW LUNs in a specific storage pool.

To obtain the value, run "show storage_pool general".

mapping_view_id=?

ID of a mapping view. Using this parameter queries information on ROW LUNs in a specific mapping view.

To obtain the value, run "show mapping_view general".

mapping_view_name=?

Name of a mapping view. Using this parameter queries information on ROW LUNs in a specific mapping view.

To obtain the value, run "show mapping_view general".

usage_type=?

Usage type of the LUNs. Using this parameter queries information on ROW LUNs with a specific usage type.

The value can be "Internal" or "External", where,

  • Internal: Usage type of the LUNs is "Internal".
  • External: Usage type of the LUNs is "External".

Level

Guest

Usage Guidelines

  • To query information on existing ROW LUNs of the storage system, run "show lun dedup_compress".
  • To query information on a specific ROW LUN, run "show lun dedup_compress lun_id=?".
  • To query information on a specific ROW LUN, run "show lun dedup_compress lun_name=?".
  • To query information on ROW LUNs in a specific storage pool, run "show lun dedup_compress pool_id=?".
  • To query information on ROW LUNs in a specific mapping view, run "show lun dedup_compress mapping_view_id=?".
  • To query information on ROW LUNs in a specific mapping view, run "show lun dedup_compress mapping_view_name=?".
  • To query information on ROW LUNs in a specific usage type, run "show lun dedup_compress usage_type=?".

Example

  • Query information on ROW LUN "1".
    admin:/>show lun dedup_compress lun_id=1 
    ID : 1  
    Name : LUN002  
    Pool ID : 0  
    Capacity : 10.000GB  
    Health Status : Normal  
    Running Status : Online  
    Type : Thin  
    Dedup Enabled : Yes  
    Byte_by_byte Comparison Enabled : No  
    Compression Enabled : Yes  
    Compression Method : Fast  
    Dedup Saved Capacity : 0.000B  
    Dedup Saved Ratio(%) : 0  
    Compression Saved Capacity : 0.000B  
    Compression Saved Ratio(%) : 0  
    Total Saved Capacity : 0.000B  
    Total Saved Ratio(%) : 0  
    Original Total Capacity : 0.000B  
    Intelligent Dedup Enabled : Yes  
    Dedup Running Status : Yes 
    Dedup Metadata Sample Ratio : 1  
    Dedup Checksum Enabled : Yes
  • Query information on ROW LUN "LUN002".
    admin:/>show lun dedup_compress lun_name=LUN002 
    ID : 1  
    Name : LUN002  
    Pool ID : 0  
    Capacity : 10.000GB  
    Health Status : Normal  
    Running Status : Online  
    Type : Thin  
    Dedup Enabled : Yes  
    Byte_by_byte Comparison Enabled : No  
    Compression Enabled : Yes  
    Compression Method : Fast  
    Dedup Saved Capacity : 0.000B  
    Dedup Saved Ratio(%) : 0  
    Compression Saved Capacity : 0.000B  
    Compression Saved Ratio(%) : 0  
    Total Saved Capacity : 0.000B  
    Total Saved Ratio(%) : 0  
    Original Total Capacity : 0.000B  
    Intelligent Dedup Enabled : Yes  
    Dedup Running Status : Yes 
    Dedup Metadata Sample Ratio : 1  
    Dedup Checksum Enabled : Yes

System Response

The following table describes the parameter meanings.

Parameter

Meaning

ID

Indicates the LUN ID.

Name

Indicates the LUN name.

Pool ID

Indicates the storage pool ID.

Capacity

Indicates the total capacity.

Health Status

Indicates the health status.

Running Status

Indicates the running status.

Type

Indicates the LUN type.

Dedup Enabled

Indicates whether to enable the deduplication function.

Byte_by_byte Comparison Enabled

Indicates whether to enable the byte_by_byte comparison function.

Compression Enabled

Indicates whether to enable the compression function.

Compression Method

Indicates the ROW LUN compression method.

Dedup Saved Capacity

Indicates the capacity saved by deduplication.

Dedup Saved Ratio(%)

Indicates the proportion of the capacity saved by deduplication out of the capacity consumed by the system.

Compression Saved Capacity

Indicates the capacity saved by compression.

Compression Saved Ratio(%)

Indicates the proportion of the capacity saved by compression out of the capacity consumed by the system.

Total Saved Capacity

Indicates the total capacity saved by deduplication and compression.

Total Saved Ratio(%)

Indicates the proportion of the capacity saved by deduplication and compression out of the capacity consumed by the system.

Original Total Capacity

Indicates the original total capacity.

Intelligent Dedup Enabled

Indicates whether to enable the intelligent deduplication function.

Dedup Running Status

Indicates the running status of deduplication function.

Dedup Metadata Sample Ratio

Indicates the deduplication metadata sample ratio.

Dedup Checksum Enabled

Indicates whether to enable the deduplication verification function.

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Updated: 2019-07-12

Document ID: EDOC1000138390

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