RAID5x: A Performance-optimizing Scheme against Double Disk Failures
A new scheme RAID5x was proposed to improve the performance of accessing storage systems with high reliability. It was a hybrid of an XOR-based code and mirroring for disk arrays to tolerate up to double disk failures. RAID5x is not only just higher in storage efficiency than other code-mixing solutions of the same type, but also it has the higher accessing performance over them and existing XOR-based codes. Moreover, its data placement is easier to find than that of XOR-based codes. Its mirroring placement makes it more adaptive and flexible to implement the dynamic load balance of the storage system than other schemes. Based on this, it can more efficiently improve the performance of accessing storage data, especially requests of small size and hotspot data.
Disk Arrays RAID5x Data/Parity Layouts Accessing Performance Storage Efficiency
Ming Hu Minghua Jiang
Department of Computer Science, Wuhan University of Science and Engineering Wuhan, HuBei Province 430073, China
国际会议
杭州
英文
1060-1063
2006-10-12（万方平台首次上网日期，不代表论文的发表时间）