patternMinor
How? SQL Cluster with multiple active nodes (not failover)
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nodesactivesqlwithfailovermultiplehownotcluster
Problem
I'm building a new SQL 2008 R2 (Enterprise) Cluster that is backed by an EqualLogic iSCSI SAN. Instead of building a failover cluster (which I have done), I would instead like to setup several nodes that are all active simultaneously. I want to spread out the CPU/RAM load across the nodes.
Can anyone point me towards a document on this? I'm only finding info on HA/Failover clusters.
Can anyone point me towards a document on this? I'm only finding info on HA/Failover clusters.
Solution
You don't get "load balancing" with SQL Server. There are a lot of "High Availability" features including clustering.
That is, you can't have read/write on the same data with multiple SQL Server instances.
You can off load reporting onto a snapshot, or replicate data between Instances, or "shared scalabl" but none is full OLTP on all data on every node.
You scale up, not out, for SQL Sever
That is, you can't have read/write on the same data with multiple SQL Server instances.
You can off load reporting onto a snapshot, or replicate data between Instances, or "shared scalabl" but none is full OLTP on all data on every node.
You scale up, not out, for SQL Sever
- SO: SQL Server load balancing
- SF: How to load-balance SQL Server 2008 for high-usage ASP.NET applications?
Context
StackExchange Database Administrators Q#5351, answer score: 6
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