Stochastic Analysis on RAID Reliability for Solid-State Drives

  title={Stochastic Analysis on RAID Reliability for Solid-State Drives},
  author={Yongkun Li and Patrick P. C. Lee and John C. S. Lui},
  journal={2013 IEEE 32nd International Symposium on Reliable Distributed Systems},
Solid-state drives (SSDs) have been widely deployed in desktops and data centers. However, SSDs suffer from bit errors, and the bit error rate is time dependent since it increases as an SSD wears down. Traditional storage systems mainly use parity-based RAID to provide reliability guarantees by striping redundancy across multiple devices, but the effectiveness of RAID in SSDs remains debatable as parity updates aggravate the wearing and bit error rates of SSDs. In particular, an open problem is… CONTINUE READING
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