![]() Production environments require a fencing agent, like STONITH for high availability. The following sections walk through the steps to set up a Pacemaker cluster and add an availability group as resource in the cluster for high availability, for each supported Linux distribution. You can still create a listener for transparent reconnection after failover, but you have to manually register the listener name in the DNS server with the IP used to create the virtual IP resource (as explained in the following sections). To create a listener for transparent reconnection after failover, manually register the listener name in DNS with the IP used to create the virtual IP resource. Availability group dynamic management views (DMVs) that query cluster information return empty rows on Pacemaker clusters. ![]() Also, the virtual network name is specific to Windows Server failover clustering there is no equivalent in Pacemaker. ![]() Pacemaker provides cluster resource orchestration. A SQL Server instance isn't aware of the cluster, and all orchestration is from the outside in. ![]() SQL Server isn't as tightly integrated with Pacemaker on Linux as it is with Windows Server failover clustering (WSFC). When the term is removed from the software, we will remove it from the article. The term appears in this article because it currently appears in the software. This article contains references to the term slave, a term Microsoft considers offensive when used in this context.
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