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Archive for Cluster

SQL Server Failover between AWS and Azure using SQL 2014 Standard Edition

In Part 1 of this series I described how to create a three node, multi-site SQL Server 2014 cluster across two AWS servers and an Azure VM using SIOS DataKeeper Cluster Edition to mirror the clustered data disk. On the positive side the article presented a neat and robust HA/DR solution for AWS cloud implementations, […]

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Posted in: AWS, Azure, Cloud, Cluster, High Availability

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SQL Server Failover between AWS and Azure – Part 1

We have all heard the story about the online business whose AWS account got hacked and had all of its Cloud inventory destroyed, then there’s the occasional scenario where a Cloud provider is totally disabled by a “core” infrastructure fault. What if you could seamlessly failover between Cloud providers and eliminate the “all eggs in […]

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Posted in: AWS, Azure, Cloud, Cluster, High Availability

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VMware Snapshot Kills Availability Group Cluster

Recently I was requested to investigate the Cluster failures underlying a SQL Server 2012 Always On Availability Group. The topology was a two node Windows 2012 cluster with a file share tie breaker as part of the Majority Node and File share Quorum model. The cluster servers were VMware 5.1 Guests and SQL Server 2012 […]

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Posted in: Availability Group, Cluster, High Availability, VMware

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