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An Analysis on Empirical Performance of SSD-Based RAID

Abstract

In this paper, we measure the I/O performance of five filesystems—EXT4, XFS, BTRFS, NILFS2, and F2FS, with five storage configurations—single SSD, RAID 0, RAID 1, RAID 10, and RAID 5. We show that F2FS on RAID 0 and RAID 5 with eight SSDs outperforms EXT4 by 5 times and 50 times, respectively. We also make a case that RAID controller can be a significant bottleneck in building a RAID system with high speed SSDs.

Keywords

  • RAID
  • SSD
  • Disk I/O performance
  • Filesystem
  • F2FS

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Acknowledgments

This work is supported by IT R&D program MKE/KEIT (No. 10041608, Embedded System Software for New-memory based Smart Device), and supported by a grant from Samsung Electronics Co., Ltd.

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Correspondence to Chanhyun Park .

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Park, C., Lee, S., Won, Y. (2014). An Analysis on Empirical Performance of SSD-Based RAID. In: Czachórski, T., Gelenbe, E., Lent, R. (eds) Information Sciences and Systems 2014. Springer, Cham. https://doi.org/10.1007/978-3-319-09465-6_41

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  • DOI: https://doi.org/10.1007/978-3-319-09465-6_41

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