A survey of techniques for architecting SLC/MLC/TLC hybrid Flash memory-based SSDs

Alsalibi, Ahmed Izzat and Mittal, Sparsh and Al-Betar, Mohammed Azmi and Sumari, Putra Bin (2018) A survey of techniques for architecting SLC/MLC/TLC hybrid Flash memory-based SSDs. Concurrency and Computation: Practice and Experience. e4420. ISSN 1532-0626

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Flash memory–based solid-state drives (SSDs) offer several attractive features and benefits compared to hard disk drive (HDD), such as shock resistance and better performance especially for random data access. Depending on the number of bits in each cell, Flash memory can be designed as single/multi/triple level cell (SLC/MLC/TLC), which have different performance, density, cost and write endurance characteristics. To bring the best of these together, several researchers have proposed designing SSD using hybrid SLC/MLC/TLC Flash memory. However, these SSDs also present several challenges such as buffer management, placement of hot/cold data in suitable portion, and intelligent garbage collection. Several recent techniques aim to address these challenges. In this paper, we present a survey of techniques for managing SSDs designed with SLC/MLC/TLC Flash memory. We classify the works on several axes to bring out their similarities and differences. We aim to synthesize the state-of-art progress in hybrid SSD management and also spark further research in this area.

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IITH Creators:
IITH CreatorsORCiD
Mittal, Sparshhttp://orcid.org/0000-0002-2908-993X
Item Type: Article
Uncontrolled Keywords: Programming & Software Development, Concurrency and Computation, Practice and Experience
Subjects: Computer science
Divisions: Department of Computer Science & Engineering
Depositing User: Team Library
Date Deposited: 29 Jan 2018 04:22
Last Modified: 29 Jan 2018 04:22
URI: http://raiith.iith.ac.in/id/eprint/3751
Publisher URL: http://doi.org/10.1002/cpe.4420
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