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Venkataraman avatar image
Venkataraman asked

Can Primary and Secondary servers of Always on availability group can share the same SAN storage?

If I configure Always ON availability group, whether Primary and Secondary servers use the same SAN storage ? Generally, it is not advisable as per http://www.brentozar.com/archive/2011/07/how-set-up-sql-server-denali-availability-groups/ . But, my question, whether it is possible to configure Primary and Secondary servers to use same SAN storage ?
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Grant Fritchey avatar image
Grant Fritchey answered
Sure. You can configure them to use the same storage. It's just defeating the purpose of having an availability group instead of a failover cluster.
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I guess the main benefit would be the ability to have zero downtime patches for OS and SQL.
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Not sure how that would result in zero down time. You still have to fail over from one machine to the other while patching causing disconnects.
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