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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).
Setting Failback Delay

Setting Failback Delay


The set failbackdelaytime command is used to set failback delay.


set failbackdelaytime -t time


Keyword and Parameter


Default Value

-t time

Failback delay.

The value ranges from 0 to 3600, expressed in seconds.



User root

Usage Guidelines

To prevent intermittent communication interruption between links and service instability, UltraPath for vSphere does not immediately implement failback upon detecting the recovery of a faulty path. Instead, UltraPath for vSphere continues to monitor the path and implements failback if the path remains normal to improve system reliability. The failback delay may cause slight performance drop, but it is for the balance between reliability and performance.


Set failback delay to 600 seconds.

~ # esxcli upadm set failbackdelaytime -t 600
Succeeded in executing the command.

System Response


Updated: 2019-03-06

Document ID: EDOC1000105152

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