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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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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).
Converting APD to PDL

Converting APD to PDL


The set apdtopdl command is used to convert APD to PDL.


set apdtopdl -m mode -t timeout




Default Value

-m mode

Enable or disable conversion from APD to PDL.

Possible values are on or off, where:
  • on: enables the conversion from APD to PDL.
  • off: disables the conversion from APD to PDL.

The default value is off.

-t timeout

Timeout period of converting APD to PDL.

The value ranges from 1 to 140, expressed in seconds.



User root

Usage Guidelines

  • When the conversion from APD to PDL is enabled and its timeout period is set to N seconds, all logical paths of the virtual LUNs become faulty. After this situation lasts for N seconds, UltraPath sets the corresponding SCSI device of the virtual LUNs to PDL.
  • The conversion from APD to PDL is disabled by default. You are advised to enable this function in a vSphere cluster environment so that cluster node switchover can be implemented properly.
  • If the conversion from APD to PDL is enabled in ESXi 5.5 system and is successfully triggered, the virtual LUN will be set to PDL and the system will be triggered to delete this virtual LUN.


The conversion from APD to PDL is enabled, and its timeout period is set to 60 seconds.

~ # esxcli upadm set apdtopdl -m on -t 60
Succeeded in executing the command.

System Response


Updated: 2019-03-06

Document ID: EDOC1000105152

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