kellithompson (12/9/2011)
My question is when I am ready to install a new instance (let's call it WebDev), can I use the existing WebProd drive letter and mount some additional volumes or do I have to have a dedicated empty application for each instance I install, thus another drive letter and mount the new volumes under it?
You can use the same root drive for all of them, however, for management purposes some would choose to create another root drive and letter. It's entirely up to you 😉
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"Ya can't make an omelette without breaking just a few eggs" 😉