How to Disarm Fencing When Using High Availability in XenServer

How to Disarm Fencing When Using High Availability in XenServer

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Article ID: CTX125161

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Updated On:

Description

This article describes how to disarm High Availability (HA) and prevent XenServer host from fencing. Disarming HA does not stop HA logging.

 


Instructions

Complete the following procedure:

  1. Execute the following commands on each XenServer host to prevent fencing:
    # export PATH=$PATH:/opt/xensource/xha
    # ha_disarm_fencing

  2. Default setting can be restored by disabling and enabling HA.

Issue/Introduction

This article describes how to disarm High Availability (HA) and prevent XenServer host from fencing.

Additional Information

Peeking under the hood of High Availability

CTX119717 - XenServer High Availability

CTX128275 - How to Distinguish a High Availability Storage Fence from a Real Host Crash