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Active Active MS SQL Cluster

Posted on 2014-09-09
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Last Modified: 2016-06-13
Hi All,

Our organization has been mandated with creating a fully redundant solution with a uptime of 99.9%. Although we can have a HA setup for all servers, our main concern is on ensuring the data integrity of the database.

Is there any solution which can allow us to enable a true Active/Active Cluster that allows read/writes to happen to both nodes concurrently? I'm looking at a solution that can be applied to a Production-DR that will allow read/writes to both environments concurrently?

As I know, Microsoft SQL's AlwaysOn allows for Multiple reads but to ensure data integrity, there must be singularity whereby only 1 node is able to write.

Appreciate your kind comments and suggestions!
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Question by:mkdev2009
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Vitor Montalvão earned 500 total points
ID: 40313867
Active/Active cluster with Windows it's utopia. That's why SQL Server has AlwaysOn feature but like you said it allows multiple reads but only one replica can have write permissions.

Did you think about merge replication?
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by:mkdev2009
ID: 40316122
Hi Vitor,

Yes we've tried merge replication but it's not what we are looking at.
Thanks again for the suggestion :)
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by:Vitor Montalvão
Vitor Montalvão earned 500 total points
ID: 40316356
I also don't like merge replication because is a performance killer but I can't see another option to solve your problem.
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