Per-TB licensing changes behavior, impacts efficiency — Storage Soup Blog by Randy Kerns

By Randy Kerns, Monday, October 29th 2012

Analyst Blogs

Once again I’ve run into an information technology director faced with acquiring software for storage that was licensed on a per-terabyte basis. Like others I’ve talked to in that situation, he made his decision based on that charge and not by taking into full consideration what he needed. The cost-per-terabyte charge can be so large that it has an impact on efficient storage operations.

The cost-per-terabyte charge applied in storage varies depending on the product and the vendor. Vendors are not even consistent from product to product on the charges. A few of the different ways they are represented to their customers illustrate this frustrating point:

Per terabyte of managed capacity is a common charge for storage management software. Unfortunately, vendors definite managed capacity differently.

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