Access "Modular vs. Monolithic Storage: The Business Case"
This article is part of the Vol. 3 No. 6 August 2004 issue of Adding low-cost tiers to conserve storage costs
If the devil's in the details, then storage infrastructure acquisition can be a real hell hole, particularly if you want to lease a large monolithic storage array such as EMC's Symmetrix or Hitachi Data Systems' Lightning, says a data center manager at a large public company in Massachusetts. Leasing storage, as opposed to buying outright, is desirable, because you are always current and you don't have to worry about disposing of the array once its useful life is up. But if you're not careful how you time capacity upgrades, you may end up paying monthly lease payments far in excess of what you had planned on, the user warns. In his group's case, they're two years into a four-year lease for an EMC Symmetrix frame, and are running out of disk space. EMC is happy to sell them more disk or to buy out their lease in favor of a newer system, but "it will probably cost us less to buy an entirely new system," he says, from a different vendor. The problem is the coterminus lease, whereby any capacity upgrades to a frame before the lease ends are financed only over ... Access >>>
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