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A hybrid flash translation layer with adaptive merge for SSDs
Gyudong Shim, Youngwoo Park, Kyu Ho Park
Article No.: 15
The Flash Translation Layer (FTL) in Solid-State Disks (SSDs) maps logical addresses to physical addresses for disk drive virtualization. In order to reduce garbage collection overhead, we propose full associative striped block-level mapping. In...
RAID-6 codes protect disk array storage systems from two-disk failures. This article presents a complete treatment of a class of RAID-6 codes, called minimum density RAID-6 codes, that have an optimal blend of performance properties. There...
Online availability upgrades for parity-based RAIDs through supplementary parity augmentations
Lei Tian, Qiang Cao, Hong Jiang, Dan Feng, Changsheng Xie, Qin Xin
Article No.: 17
In this article, we propose a simple but powerful online availability upgrade mechanism, Supplementary Parity Augmentations(SPA), to address the availability issue in parity-based RAID systems. The basic idea of SPA is...