A design for high-performance flash disks

Author:

Birrell Andrew1,Isard Michael1,Thacker Chuck1,Wobber Ted1

Affiliation:

1. Microsoft Research, Silicon Valley

Abstract

Most commodity flash disks exhibit very poor performance when presented with writes that are not sequentially ordered. We argue that performance can be significantly improved through the addition of sufficient RAM to hold data structures describing a fine-grain mapping between disk logical blocks and physical flash addresses. We present a design that accomplishes this.

Publisher

Association for Computing Machinery (ACM)

Reference9 articles.

1. Kingston Technology Company Inc. Data Traveler Elite. http://www.kingston.com/flash/dt_elite.asp. Kingston Technology Company Inc. Data Traveler Elite. http://www.kingston.com/flash/dt_elite.asp.

2. Lexar Media Inc. JumpDrive Pro. http://www.lexar.com/jumpdrive/jd_pro.html. Lexar Media Inc. JumpDrive Pro. http://www.lexar.com/jumpdrive/jd_pro.html.

3. M-Systems Inc. http://www.m-systems.com/site/en-US/Products/IDESCSIFFD/IDESCSIFFD/Products_/IDE_Products/FFD_25_Ultra_ATA.htm. M-Systems Inc. http://www.m-systems.com/site/en-US/Products/IDESCSIFFD/IDESCSIFFD/Products_/IDE_Products/FFD_25_Ultra_ATA.htm.

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