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Always On in Std Edition. whats actually available? Expand / Collapse
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Posted Monday, July 15, 2013 7:55 AM
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In the "Features Support" documentation on technet it says that Always On Failover Clustering is available on SQL server Standard Edition for up to 2 nodes.

Im not sure what this means though. does this mean i can have secondaries for offloading reporting etc if i use standard edition?

[url=http://msdn.microsoft.com/en-us/library/cc645993%28v=SQL.110%29.aspx#High_availability][/url]

Post #1473658
Posted Monday, July 15, 2013 8:33 AM
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Hi,

Always On Failover Clustering in standard edition is simply failover clustering. It does not offer you read only replicas that is an enterprise only feature so offloading reporting would have to be done by other means.

In standard edition you can have a 2 node cluster, the nodes can be co-located or geographically separate.

Hope that helps a little.

Thanks,

Simon




MCSA: SQL Server 2012
Follow me on Twitter: @WazzTheBadger
LinkedIn Profile: Simon Osborne
Post #1473688
Posted Monday, July 15, 2013 8:51 AM
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that helps a lot. By tacking "always on" to "failover Clustering" in the documentation microsoft confused the issue.

when you say a failover cluster can be geographically disparate, you mean by using some storage replication technology, as per a stretch cluster in any version of sql server, is that correct?
Post #1473696
Posted Monday, July 15, 2013 8:53 AM
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I believe since 2008R2 you can have the nodes in separate subnets alleviating the need for a stretch VLAN. But yes you'd need some sort of storage replication going on.

Glad it helped.

Thanks,


Simon




MCSA: SQL Server 2012
Follow me on Twitter: @WazzTheBadger
LinkedIn Profile: Simon Osborne
Post #1473701
Posted Monday, July 15, 2013 9:52 AM
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perfect, great help, thank you!
Post #1473741
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