White Papers

Reliability Tradeoffs in Personal Storage Systems

Tags: data

Overview RAID has long been established as an effective way to provide highly reliable disk subsystems. However, reliability in RAID systems comes at the cost of extra disks and somewhat lower performance. This paper examines some mechanisms to reduce this cost in the context of integration with backup processes. These methods are most useful in storage systems where complete data protection or availability is not necessary such as in desktop personal computers, laptops, and other mobile storage devices. The paper will in particular investigate strategies with disk and flash that trade off between availability and reliability, snapshotting tradeoffs of reliability between time and space, and user directed redundancy.

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Publisher: University of Connecticut
File Format: PDF
Date Published: Aug 23, 2007
Format: White Papers
Topics: Removable Storage, RAID, Storage Management

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