what scenarios does always on failover

I have setup always on between 2 stand alone SQL servers, Automatic failover(Synchronous) in which 2 instances have WSFC enabled .

what are the possible causes does always on failover?

Possibilities i am aware of

1.Disk filled out

2.restart of instance/server

3.upgrade or patch failed and cant connect to sql server

4.Network cable pulled out 

like above what are other possible scenarios does always on failover?



September 11th, 2015 10:51am

Fyi..I have setup always on availability groups not always on Fail over clustering.. 
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September 11th, 2015 10:52am

http://blogs.msdn.com/b/psssql/archive/2013/04/22/how-it-works-always-on-when-is-my-secondary-failover-ready.aspx
September 11th, 2015 11:00am

Thanks Balmukund.. that was helpful
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September 11th, 2015 11:42am

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