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OceanStor UltraPath for vSphere V100R008C50 User Guide 06

This document covers the functions, features, installation, configuration, upgrade, uninstallation, maintenance, troubleshooting, and FAQs of OceanStor UltraPath for vSphere (UltraPath forvSphere). UltraPath for vSphere is the multipathing software developed by HuaweiTechnologies Co., Ltd (Huawei for short). The document aims at helping users to be fully familiar with UltraPath for vSphere and its use.
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Setting the Size of a HyperMetro Fragment

Setting the Size of a HyperMetro Fragment

Function

The set hypermetro split_size command is used to set the fragment size when HyperMetro cross-array load balancing is applied.

Format

set hypermetro splitsize -s size [ -l vlun_id ]

Parameters

Parameter

Description

Default Value

-s size

Fragment size.

The value ranges from 512 bytes to 1 GB. The unit is byte.

NOTE:

The value must be an integer multiple of 512 and a power of 2.

128 MB

-l vlun_id

ID of an virtual HyperMetro LUN.

Run the show vlun -t hypermetro command to obtain the IDs of the virtual HyperMetro LUNs.

None

Level

User root

Usage Guidelines

  • Run the set hypermetro splitsize -s size command to set the HyperMetro fragment size for all storage systems.
  • Run the set hypermetro splitsize -s size -l vlun_id command to set the HyperMetro fragment size of the virtual LUNs.

Example

  • Set the HyperMetro fragment size to 128 MB for all storage systems.
    ~ # esxcli upadm set hypermetro splitsize -s 128M 
    Succeeded in executing the command.
    
  • Set the HyperMetro fragment size of the virtual LUNs whose ID is 0 to 128 MB.
    ~ # esxcli upadm set hypermetro splitsize -s 128M -l 0
    Succeeded in executing the command.
    

System Response

None

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Updated: 2019-03-06

Document ID: EDOC1000105152

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