TheSQLGuru (4/18/2013)

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Given the really basic nature of the questions you are asking I feel you should REALLY get someone experienced and knowledgeable to help you determine what your HA/DR/read-only scale-out needs are and then help you configure the proper solution for those needs. What you are dealing with isn't something you just ask a few questions about on a forum and then slap into production and hope things work out OK. I have seen some really unfortunate things happen (including companies going out of business) due to messing things like this up.