SQL Server failover clustering is widely implemented in the world. One of the DBA’s tasks is to adjust memory when failover happens. When that happens, 2 or more SQL instances are running on one physical node, then max memory for both instances should be adjusted. When the failed nodes are up, failback will perform, then DBAs need to do memory adjustments again on all affected instances. It would be more productive if this process can be automated. In this post, I will give you my ideas and the implementation of it.
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