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Yes, You Can Have a SQL Server Cluster in VMware without Raw Device Mapping


As companies look to move SQL Server to VMware environments, they soon face the challenge of how to provide high availability protection. The problem is that Windows Server Failover Clustering requires shared storage, so in VMware environments you need to use Raw Device Mapping to give VMs direct access to the SAN. RDM limits your ability to use important VMware features such as vMotion, snapshots, and Virtual Consolidated Backup.

A simple solution is to add SANLess clustering software, such as SIOS DataKeeper Cluster Edition, to your WSFC. It uses efficient block level replication to synchronize local storage to appear to WSFC as a shared disk without the need for RDM. You get high availability protection without sacrificing VMware features, flexibility or performance.

I discussed this easy strategy and provided a brief demonstration in a recent webinar:

High Availability for SQL in VMware without Raw Device Mapping (On Demand Recording)

You may also be interested in viewing the…

Read the entire article here, Yes, You Can Have a SQL Server Cluster in VMware without Raw Device Mapping

via the fine folks at SIOS.

SIOS SIOS Technology Corp. makes software products that provide the insights and guidance IT managers need to manage and protect business critical applications in large, complex data centers. SIOS iQ is a machine learning analytics software that helps IT managers optimize performance, efficiency, reliability, and capacity utilization in virtualized environments. SIOS SAN and SANLess software is an essential part of any cluster solution that provides the flexibility to build Clusters Your Way™ to protect your choice of Windows or Linux environment in any configuration (or combination) of physical, virtual and cloud (public, private, and hybrid) without sacrificing performance or availability. Founded in 1999, SIOS Technology Corp. (http://us.sios.com) is headquartered in San Mateo, California, and has offices throughout the United States, United Kingdom and Japan.

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