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HA Prepare
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Create Local Repository
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Create Local NTP
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Install CentOS & Configure
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Memcached on Multiple Servers
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MariaDB Galera Cluster
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RabbitMQ Cluster Setup
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Pacemaker Cluster Stack
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Configure the VIP & HAProxy
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Highly available Identity API
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Highly available Image API
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Highly available Block Storage API
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Linux Bridge & L3 HA
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Highly available Nova API
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Highly available Horizon API
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Make the Compute nodes Highly Available