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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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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
change tgt_switch lun_4k_mapping

change tgt_switch lun_4k_mapping

Function

The change tgt_switch lun_4k_mapping command is used to enable or disable the 4K LUN mapping.

Format

change tgt_switch lun_4k_mapping switch=?

Parameters

Parameter

Description

Value

switch=? Status of the 4K LUN mapping switch.

The value can be "on" or "off", where:

  • "on": turns on the 4K LUN mapping switch.
  • "off": turns off the 4K LUN mapping switch.
The maximum number of LUNs that can be mapped to a host varies with different products. For details, see "Software Specifications" in the Product Description specific to your product.

Views

Developer view

Usage Guidelines

  • The maximum number of LUNs that can be mapped to a host varies with different products. For details, see "Software Specifications" in the Product Description specific to your product.
  • 4K LUN mapping only supports Solaris 10 DMP or MPIO multipath software, and EMC VPLEX. The compatibility problem is not excluded in other auxiliaries. If you need to turn on this switch, contact Huawei technical support engineers.

Example

Enable the 4K LUN mapping.

developer:/>change tgt_switch lun_4k_mapping switch=on
Command executed successfully.

System Response

None

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Updated: 2020-01-17

Document ID: EDOC1000181602

Views: 753922

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