Zoned-RAID for Multimedia Database Servers
| Autor: | Roger Zimmermann, Seon Ho Kim, Ali E. Dashti |
|---|---|
| Rok vydání: | 2005 |
| Předmět: |
Standard RAID levels
Hardware_MEMORYSTRUCTURES RAID Disk array controller Computer science Distributed computing Disk mirroring Parity drive Disk Data Format computer.software_genre law.invention law RAID processing unit Server Data_FILES Operating system Non-standard RAID levels computer Block (data storage) |
| Zdroj: | Database Systems for Advanced Applications ISBN: 9783540253341 DASFAA |
| DOI: | 10.1007/11408079_41 |
| Popis: | This paper proposes a novel fault-tolerant disk subsystem named Zoned-RAID (Z-RAID). Z-RAID improves the performance of traditional RAID system by utilizing the zoning property of modern disks which provides multiple zones with different data transfer rates in a disk. This study proposes to optimize data transfer rate of RAID system by constraining placement of data blocks in multi-zone disks. We apply Z-RAID for multimedia database servers such as video servers that require a high data transfer rate as well as fault tolerance. Our analytical and experimental results demonstrate the superiority of Z-RAID to conventional RAID. Z-RAID provides a higher effective data transfer rate in normal mode with no disadvantage. In the presence of a disk failure, Z-RAID still performs as well as RAID. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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