heb1014 (2/10/2014)
Here is my question...what about the server hosting my business application?
Without knowing a bit more about the app hard to say. First point of contact should be the vendor. WSFCs can host many clustered resources, generic services among them. Obviously you'd run this on separate cluster nodes to your AO replicas which will increase the node count required for the Windows cluster, but hey there's no such thing as a free lunch 😉
heb1014 (2/10/2014)
However, what happens when my application server blows up? Am I stuck with down time until I can bring up a new instance? Do the applications you work with all have built in HA?Thanks!
It's down to the design of the application and what it will support, it may be possible that your app could be set up as a clustered resource in your WSFC.
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"Ya can't make an omelette without breaking just a few eggs" 😉