Migrate SQL 2008 r2 to a new Windows 2012 cluster

What is the best way to migrate a SQL 2008 R2 instance that is hosted on a Windows 2008 R2 Failover cluster to a newer cluster running Windows 2012?  Oh, yeah, with as little downtime as possible?
Tom PattersonAsked:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Tom, please give a read in these 3 articles that I wrote for SQL Server database migration. After that you should be able to suit yourself but feel free to return to me with more questions:
Detach / Attach method
Backup & Restore method
Copy database wizard method
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Alexander ArdatovSoftware ManagerCommented:
Like an idea: you can setup a new Sql Server on a newer cluster running Windows 2012, setup a replication (or log shipping) for DBs on old server to a new one and when the replication completes switch connections to a new server.
Downtime for sql server clinets will be very small. Just for switching connections to a new server
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Vitor MontalvãoMSSQL Senior EngineerCommented:
The Log Shipping idea is good. Or alternatively, the Mirroring.
But I wouldn't recommend the Replication.
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Alexander ArdatovSoftware ManagerCommented:
Yes. Mirroring is good too and looks like it was implemented in sql server 2005, so the author can use it.
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Tom PattersonAuthor Commented:
Since this is going from one Windows Server Failover Cluster to another.  What do you think of using the Copy Cluster Roles feature?
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Copy Cluster Roles has nothing to do with SQL Server databases.
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Recommendation to close this question by accepting the above comments as solution.
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