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SQL Server 2016 AlwaysOn Availability Group Enhancements: Multiple Automatic...
Overview SQL Server 2104 and SQL Server 2012 can have two synchronous secondary replicas. One synchronous secondary replica can serve the role as automatic failover partner with the primary replica. In...
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SQL Server 2016 AlwaysOn Availability Group Enhancements: Support for...
Overview In SQL Server 2012 and SQL Server 2014, encrypted databases could be added to an AlwaysOn availability group, but they could not be added using the New Availability Group wizard. Additionally,...
View ArticleAlwaysOn Readable Secondaries Can Display Misleading Data & Log File Paths
Written By: Grant Carter, Senior Premier Field Engineer Reviewed By: Mark Weber – Principal Premier Field Engineer Norm Eberly – Senior Premier Field Engineer Charles Allard – Senior Premier Field...
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Making Service Broker Application Highly Available With AlwaysOn
If you have a Service Broker (SSB) application connecting to SQL Server using an AlwaysOn availability group listener, in the event of an unexpected failover, some messages may be lost or stuck in...
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How to Apply Transaction Logs to Secondary When it is Far Behind
Problem Large Send Queue You discover that the log send queue for a given availability database has grown very large, which threatens your Recovery Point Objective (RPO) and the transaction log has...
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Troubleshooting Internal Load Balancer Listener Connectivity in Azure
Problem Unable to Connect to Azure availability group listener Creating an availability group in order to make your application highly available when running on Azure virtual machines (IaaS) is very...
View ArticleAvoid Availability Group Database Data Loss: Do not Deploy File Share Witness...
Cluster Quorum File Share Witness Should Not be Part of a DFS Namespace When deploying AlwaysOn availability groups you may decide to add a vote to Windows Cluster quorum by configuring a File Share...
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Availability Group Database Reports Not Synchronizing / Recovery Pending...
You may find that one or more availability group databases is reported ‘Not Synchronizing / Recovery Pending’ on the primary replica or ‘Not Synchronizing’ on one of the secondary replicas. Despite...
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Analyze Network Latency Impact on Remote Availability Group Replica
Multisite availability groups allow customers to deploy copies of business data across multiple sites, for disaster recovery and/or for reporting purposes, offering near real-time changes available to...
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Analyze Synchronous Commit Impact on High Commit Rate Workloads
Workloads that rely on auto-commit (each operation like an INSERT has an implied, corresponding begin and commit transaction) and perform a large number of small transactions may take significantly...
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