Disk quota management achieves the goal of ensuring fair distribution of disk resources across the enterprise, however, if enforced too rigidly it can result in certain divisions having under utilised allocated space while others are starved for more.  Monitoring and billing for usage of disk space allows IT administrators to apply less stringent control in terms of allocated quota enforcement and instead charge users, departments, and cost centres, for the amount of space they actually use - at any given time on an hourly, daily, weekly, or monthly basis.  This enables the IT division to recoup the cost of shared resources from those that use it.

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