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To provide a disk repair without any SQL Server downtime.
#INSTALL SQL SERVER 2014 FAILOVER CLUSTER STEP BY STEP WINDOWS#
The improvements in Chkdsk in Windows Server 2012 Additionally, the SQL Server DB is moved without drive ownership changes. : Given that nodes in a cluster have shared access to storage, a SQL Server failover no longer required the dismounting and remounting of volumes. In a traditional deployment, the SQL instance would need to be failed over to a node with connectivity to the storage, resulting in downtime. : When storage connectivity on a node is disrupted, CSV routes traffic over the network using SMB 3.0 allowing the SQL instance to remain operational. Therefore, scalability of your SQL deployment is enhanced. There is no limit to the number of mount points for a CSV. Traditionally, the number of SQL instances that can be deployed on a cluster is limited to the number of drive letters (24 excluding the system drive and a drive for a peripheral device). : Consolidating multiple SQL instances on a single LUN makes the storage utilization more efficient. This facilitates the consolidation of SQL instances by storing multiple SQL instances on a single CSV.īetter capacity planning, storage utilization CSV allows nodes in the cluster to have shared access to storage. This because the LUN would need to failover with the SQL instance. : With traditional cluster storage, each SQL instance requires a separate LUN to be carved out. I also did a session at TechEd North America 2014 if you would like to learn more beyond this blog, recording is below:Ī SQL 2014 deployment with Cluster Shared Volumes provides several advantages over a deployment on “traditional” cluster storage. In this blog, I am going to discuss the value of deploying SQL Server with CSV as well as how you can deploy SQL with CSV. An exciting new feature in SQL Server 2014 is the support for the deployment of a Failover Cluster Instance (FCI) with Cluster Shared Volumes (CSV).