How much does Exchange really cost?

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Trust me, I do know Exchange Backup

I have designed dozens of backup scenarios that made use of VSS integration with storage arrays point in time copy applications (HP's Business Copy or EMC's Timefinder for example) to do regular hourly or on the 1/3 hour running backups throughout the day and even one with CDC allowing for to-the-second restore. I have been working on D2D2T projects for over 7 years, and do know a bit about it. I will admit I haven't done any Exchange projects in the last 8 months however, so my information may be a little out of date. Having worked with Microsoft since Windows version 1.10 though, I doubt they've fixed everything since last spring.
By the nature of your post I am guessing you've little experience with large Exchange environments because they do get corruption, it's a question of when not if, and when you are talking uptime, it comes down to how quickly it's found and corrected. Your mention of The way I go about not missing emails is by using a store and forward from my ISP. If my server goes down, they take all my email for me and then once I am back up they ship all the email to our server leaving us with no lost emails. is another indication. Global enterprises typically don't go through an ISP for mail services, they would have their own presence on the network, so in effect they are their own ISP. Imagine getting a notice from Microsoft that their mail server was down and try resending later to get an idea of the importance of keeping email running. One of the recommendations I always make if to keep datastores to less than 500GB, usually 150-200GB, and have several of them. This makes recovering or restoring them faster and easier to manage, even if it makes more work for the SAN administrator. I am always horrified when I hear customers discussing 2TB datastores, that's a recipe for disaster (those are the 20 hours downtime cases).
Lastly, I gave that example (even if it is 9 years old) because it was rather traumatic for me, I was berated by the customer for being right. He felt I hadn't insisted strongly enough...

Remember, just because you are successful racing go-karts doesn't mean you can compete in Formula One.

Posted by: 914four   Posted on: 11/17/08 You are currently: a Guest | Members login | Terms of Use

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