NDLI: An Alternative Implementation of 3FT RAID in Virtual Large Scale Disks

Content Provider	IEEE Xplore Digital Library
Author	Uehara, M.
Copyright Year	2011
Abstract	Recently, the demand of low cost large scale storages increases. We developed VLSD (Virtual Large Scale Disks) toolkit for constructing virtual disk based distributed storages, which aggregate free spaces of individual disks. However, in order to construct large-scale storage, more than or equal to 3 faults tolerant RAID is important. In the previous work we proposed Mesh RAID that is 3 faults tolerant orthogonal RAID. And, we implemented Mesh RAID using VLSD. Mesh RAID is not tolerant of only disk fault but also tolerant of string fault. In addition, we also proposed Composite RAID, which is an easy implementation of complex RAID system by combining VLSD classes. We also implemented Composite RAID based Mesh RAID. In this paper, we propose another implementation of Mesh RAID based on Alternate Disk, which chooses any implementation from all implementations dynamically. This implementation has simple structure and good performance.
Starting Page	203
Ending Page	208
File Size	224307
Page Count	6
File Format	PDF
ISBN	9781457719080
DOI	10.1109/INCoS.2011.47
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-30
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerance Linux Fault tolerant systems Maintenance engineering File servers Orthogonal RAID Servers VLSD
Content Type	Text
Resource Type	Article

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