2021/02/04 by Ting-Yi Wu, Wu, Ting-Yi, Yunghsiang S. Han +11
Computer Science · Mathematics · #FOS: Computer and information sciences #Information Theory (cs.IT) #cs.IT #math.IT
paper · pdf · doi:10.48550/arxiv.2102.02436
22 pages, 1 figure
arxiv created 2021/02/04 · arxiv updated 2021/02/05
Accessing the data in the failed disk (degraded read) with low latency is crucial for an erasure-coded storage system. In this work, the maximum distance separable (MDS) array code with the property of degraded-read friendly (DRF) is discussed. For the DRF MDS array code with 2 redundant nodes and the sub-packetization level of 2, the lower bound of its access bandwidth is derived.