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Overview

The openstack ha command group manages Instance HA — failover segments, segment hosts, and notification drivers.
Prerequisites
  • CLI installed and authenticated — see CLI Setup
  • Python masakariclient installed: pip install python-masakariclient
  • Admin role required for all HA operations

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Failover Segments

openstack ha segment list

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Segment Hosts

openstack ha host list primary-zone

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Notifications

openstack ha notification list

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Next Steps

How Instance HA Works

Understand the automatic recovery workflow

Failover Segments Guide

Configure segments and assign hosts