13.5.2 Performing a Major Version Upgrade

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You can use the Upgrade Cluster dialog to upgrade the Postgres server installed on your Ark cluster; the upgrade must be to a more recent version of the same server type and must use the same server image as the current database engine. For example, you may upgrade an Advanced Server version 9.6 database server that resides on a CentOS 6.x host to Advanced Server 11, but you cannot move the server onto a CentOS 7.x host. Similarly, you may not upgrade a PostgreSQL 9.6 database server that resides on a CentOS 7.x host to use an Advanced Server 11 server on a CentOS 7.x host. The server type and host operating system version must remain the same. Please note:
To upgrade a running cluster, select the radio button next to Major Version Upgrade, and then use the drop-down listbox to select a server version. Click Upgrade to continue.
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A popup will open, asking you to confirm that you wish to upgrade the server; click the Upgrade button to perform an upgrade. The server will be briefly unavailable during the upgrade process. The upgrade does not change the IP address and listening port of the server.


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