Access "Snapshot: Do you charge back for storage?"
This article is part of the Vol. 5 No. 5 July 2006 issue of Lessons learned from creating and managing a scalable SAN
DESPITE VENDOR CLAIMS to the contrary, 31% of Storage readers engage in some sort of chargeback for storage--a significant number. And of the 69% who don't currently do chargeback, 32% are looking into it. Capacity usage is by far the most important metric readers use to bill for storage, with 91% citing its use. Forty-eight percent use "tier of storage," making it a distant second. Service-level agreements and backup schedules are used more sporadically, by 38% and 30% of respondents, respectively. Overall, chargeback has a positive or neutral effect on storage consumption. Fifty-six percent of respondents report no change in consumption, and 35% say that chargeback encourages users to consume less. However, 9% report that their internal users actually consume more storage under their chargeback policies. Long-time chargeback practitioners sing its praises. According to one respondent who's been charging for shared storage for six years, chargeback "helps drive the proper use and consumption of the storage, encourages sharing of the storage infrastructure ... Access >>>
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