Case Study on the Recovery of a Virtual Large-Scale Disk

Authors:
Erianto Chai;Minoru Uehara;Hideki Mori
Affiliations:
Dept. of Open Information Systems, Toyo University Graduate School, Japan;Dept. of Open Information Systems, Toyo University Graduate School, Japan;Dept. of Open Information Systems, Toyo University Graduate School, Japan
Venue:
NBiS '08 Proceedings of the 2nd international conference on Network-Based Information Systems
Year:
2008

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Abstract

With the recent flood of data, one of the major issues is the storage thereof. Although commodity HDDs are now very cheap, appliance storage systems are still relatively expensive. As a result we developed the VLSD (Virtual Large-Scale Disk) toolkit in order to construct large-scale storage using only cheap commodity hardware and software. We also developed a prototype of the large-scale storage system by using the VLSD to collect free disk space on PCs. However, the reliability of this storage depends on the MTTR (Mean Time to Repair). In this paper, we evaluate the MTTR of our prototype and then discuss its efficiency.