An effective hierarchical PRAM-SLC-MLC hybrid solid state disk

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

doi:10.1109/ICIS.2012.30

An effective hierarchical PRAM-SLC-MLC hybrid solid state disk

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

College of Computing

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

Currently, SLC-MLC hybrid SSD (solid state disk) products become mature. Phase-change random access memory (PRAM) is one of the new non-volatile memory materials used to enhance the limitation of original SLC-MLC hybrid SSD. Through reorganizing the basic functional modes among SLC, MLC, and PRAM, we proposed a new hybrid SSD architecture named PRAM-SLC-MLC Hybrid SSD (PHSSD), in which a hierarchical updating method is designed. The PH-SSD employs PRAM as a primary updating area, uses SLC as a secondary updating area, uses MLC for main data storage, and performs data migration via a small capacity DRAM. Based on this proper arrangement, the PH-SSD can improve write performance and lifetime of SSD significantly. Through simulation, the PH-SSD achieves over 240% speedup and prolongs the lifetime by up to 2-3 times compared with the previous architecture.

Original language	English
Title of host publication	Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012
Pages	113-118
Number of pages	6
DOIs	https://doi.org/10.1109/ICIS.2012.30
Publication status	Published - 2012
Event	2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012 - Shanghai, China Duration: 2012 May 30 → 2012 Jun 1

Publication series

Name	Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012

Other

Other	2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012
Country/Territory	China
City	Shanghai
Period	12/5/30 → 12/6/1

All Science Journal Classification (ASJC) codes

Computer Networks and Communications
Information Systems

Access to Document

10.1109/ICIS.2012.30

Cite this

Lu, N., Choi, S., Ko, S. H., & Kim, S. D. (2012). An effective hierarchical PRAM-SLC-MLC hybrid solid state disk. In Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012 (pp. 113-118). Article 6211086 (Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012). https://doi.org/10.1109/ICIS.2012.30

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title = "An effective hierarchical PRAM-SLC-MLC hybrid solid state disk",

abstract = "Currently, SLC-MLC hybrid SSD (solid state disk) products become mature. Phase-change random access memory (PRAM) is one of the new non-volatile memory materials used to enhance the limitation of original SLC-MLC hybrid SSD. Through reorganizing the basic functional modes among SLC, MLC, and PRAM, we proposed a new hybrid SSD architecture named PRAM-SLC-MLC Hybrid SSD (PHSSD), in which a hierarchical updating method is designed. The PH-SSD employs PRAM as a primary updating area, uses SLC as a secondary updating area, uses MLC for main data storage, and performs data migration via a small capacity DRAM. Based on this proper arrangement, the PH-SSD can improve write performance and lifetime of SSD significantly. Through simulation, the PH-SSD achieves over 240% speedup and prolongs the lifetime by up to 2-3 times compared with the previous architecture.",

author = "Ning Lu and Sung Choi and Ko, {So Hyang} and Kim, {Shin Dug}",

year = "2012",

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language = "English",

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booktitle = "Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012",

note = "2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012 ; Conference date: 30-05-2012 Through 01-06-2012",

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Lu, N, Choi, S, Ko, SH & Kim, SD 2012, An effective hierarchical PRAM-SLC-MLC hybrid solid state disk. in Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012., 6211086, Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012, pp. 113-118, 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012, Shanghai, China, 12/5/30. https://doi.org/10.1109/ICIS.2012.30

An effective hierarchical PRAM-SLC-MLC hybrid solid state disk. / Lu, Ning; Choi, Sung; Ko, So Hyang et al.
Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012. 2012. p. 113-118 6211086 (Proceedings - 2012 IEEE/ACIS 11th International Conference on Computer and Information Science, ICIS 2012).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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An effective hierarchical PRAM-SLC-MLC hybrid solid state disk

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