When disaster strikes, businesses need reliable ways to keep their databases intact and working.
Now, enterprise customers who use AlwaysOn Availability Groups for disaster recovery have a new resource to help them work through problems: the AlwaysOn Availability Groups Troubleshooting and Monitoring Guide. This provides information on troubleshooting common issues and monitoring the availability group health.
Introduced in SQL Server 2012, AlwaysOn Availability Groups “maximize the availability of a set of user databases for an enterprise.” This is important because an availability group supports a “failover” environment for a set of user databases (aka availability databases) — which despite the name, is a good thing. A failover automatically switches over to a standby system in the event of an unexpected outage – though they’re not triggered by loss of a data file, deletion of a database, or corruption of a transaction log.
Read more about the guide on the SQL AlwaysOn Team Blog.
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