A PRAM based block updating management for hybrid solid state disk

Ning Lu; In-Sung Choi; So-Hyang Ko; Shin-Dug Kim

doi:10.1587/elex.9.320

IEICE Electronics Express

Online ISSN : 1349-2543
ISSN-L : 1349-2543

LETTER

A PRAM based block updating management for hybrid solid state disk

Ning Lu, In-Sung Choi, So-Hyang Ko, Shin-Dug Kim

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Keywords: Phase-Change Random Access Memory, hybrid solid state disk, NAND flash, flash memory, write buffer

JOURNAL FREE ACCESS

2012 Volume 9 Issue 4 Pages 320-325

DOI https://doi.org/10.1587/elex.9.320

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Abstract

The goal of this research is to design a PRAM-based SSD (solid state disk) updating management scheme which uses PRAM for main logging area of previous hybrid SSDs. Specifically the proposed scheme can provide higher performance and longer lifetime than those of previous scheme. Simulation results show that overall write performance can be enhanced by around 380% on average and the lifetime of SSD can be increased by up to 6.5 times.

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