Implementing a Tiered Storage Strategy (continued)
Inventory existing storage resources Chances are good that you already possess a number of the storage devices you need to implement a tiered strategy with a minimal investment in additional equipment and software. Find out exactly what you already have installed that can be repurposed into a tiered strategy.
Consider how to best manage the increased complexity Moving to a tiered system always adds complexity to data center operations, but especially so if you switch from a single vendor to a multiple vendor storage environment. "Make sure you have the software tools, as well as the personnel to manage this cost-effectively," says Mike Karp, a senior analyst and head of the storage practice at the Enterprise Management Associates, in Boulder, Colo. "You don't want to gain efficiency in one area only to lose it in another."
Approach the process in phases Rather than implementing it all at once, it's best to start with one application and two data tiers, and proceed gradually from there. "This makes the process much more manageable -- and there are still immediate and sizable benefits," says Biggar.
All experts agree: Don't write that P.O. for the new drive until you complete your upfront work. "There's so much more involved than simply deciding what product to buy," says Karp.
Establishing a tiered storage system involves a lot of upfront work and investment in both time and hardware and software. There's no magic bullet for making it a success, warns Martins. But, he quickly adds, "It pays off in spades in the long run."
About the Author
Alice LaPlante is an award-winning writer and editor who has covered business for more than 20 years.
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