Sector-Disk (SD) Erasure Codes for Mixed Failure Modes in RAID Systems


Traditionally, when storage systems employ erasure codes, they are designed to tolerate the failures of entire disks. However, the most common types of failures are latent sector failures, which only affect individual disk sectors, and block failures which arise through wear on SSD’s. This article introduces SD codes, which are designed to tolerate… (More)
DOI: 10.1145/2560013


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