You can use a number of different upgrade methods. The supported method depends on the Avaya Breeze® platform release and whether you want can perform the upgrade during a maintenance window.
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Method
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Description
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1.
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OVA Reinstallation
This method of upgrading requires the reinstallation of the Avaya Breeze® platform OVA on each server in the cluster after removing all nodes from the cluster. Cluster database and data grid data are not preserved.
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2.
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Simultaneous Cluster Upgrade
You can use this method to simultaneously upgrade all nodes within a cluster within five minutes of each other.
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This upgrade method is service impacting and should only be performed during a maintenance window.
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Optionally, this method can use System Manager Solution Deployment Manager (SDM).
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3.
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Rolling Cluster Upgrade
You can use this method to perform rolling upgrade of each node within a cluster in turn. This upgrade method is not service impacting.
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