HCS: Expanding H-Code RAID 6 without Recalculating Parity Blocks in Big Data Circumstance

• 作 者: Shiying Xia Yu Mao Minsheng Ta
• 机 构: UniversityofSouthChina,HengyangNormalUniversity,CollegeofInformationandComputerEngineering
• 出 处: 国际计算机前沿大会会议论文集
• 发表日期: 2015年1期
• 关键词: Big data H-Code RAID EXPANDING HORIZONTAL coding Anti-diagonal PARITY HORIZONTAL
• 基金项目: This work described in this paper is supported by the Fundamental Research Funds for the Central Universities (DL13CB05) and the Technological innovation talent research project in Harbin (2014RFQXJ13

This paper introduces a new RAID 6 expanding method HCS, which is facing the circumstance of big data. HCS expands H-Code manner RAID 6. Two key techniques are used to avoid parity blocks’ recalculating.The first one is anti-diagonal data blocks’ selectio