Active Active MS SQL Cluster

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!
mkdev2009Asked:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
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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mkdev2009Author Commented:
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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Vitor MontalvãoMSSQL Senior EngineerCommented:
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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Microsoft SQL Server 2008

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