Flash Disk Opportunity for Server Applications

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Flash Disk Opportunity for Server Applications

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Volume 6 , Issue 4 (July/August 2008) table of contents
Enterprise Flash Storage

FEATURE: Q focus: Flash Storage table of contents

Pages 18-23

Year of Publication: 2008

ISSN:1542-7730

Authors

Jim Gray
Bob Fitzgerald

Publisher

ACM New York, NY, USA

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Downloads (6 Weeks): 290, Downloads (12 Months): 1315, Citation Count: 2

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ABSTRACT

Future flash-based disks could provide breakthroughs in IOPS, power, reliability, and volumetric capacity when compared with conventional disks. NAND flash densities have been doubling each year since 1996. Samsung announced that its 32-gigabit NAND flash chips would be available in 2007. This is consistent with Chang-gyu Hwang's flash memory growth model1 that NAND flash densities will double each year until 2010. Hwang recently extended that 2003 prediction to 2012, suggesting 64 times the current density250 GB per chip. This is hard to credit, but Hwang and Samsung have delivered 16 times since his 2003 article when 2-GB chips were just emerging. So, we should be prepared for the day when a flash drive is a terabyte(!). As Hwang points out in his article, mobile and consumer applications, rather than the PC ecosystem, are pushing this technology.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Hwang, C. 2003. Nanotechnology enables a new memory growth model. Proceedings of the IEEE 91(11): 1765-1771; http://ieeexplore.ieee.org/Xplore/login.jsp?url=/iel5/5/27802/01240069.pdf.
	2	This Web site (http://www.dvnation.com/nand-flash-ssd.html) had a PQI flash disk for $1,800. The marginal cost is about $20 per gigabyte for flash today, so this device might be had for about $600, comparable to the price of a 15,000-RPM SCSI disk.
	3	Zushman, J. 2006. Hard drives go flash: Samsung Flash SSD. Tom¿s Hardware; http:// www.tomshardware.com/reviews/conventional-hard-drive-obsoletism,1324.html.
	4	Nath, S., Kansal, A. Flash DB: Dynamic self-tuning database for NAND flash. Microsoft Research Technical Report MSR-TR-2006-168; ftp://ftp.research.microsoft.com/pub/tr/TR-2006-168.pdf.
	5	Birrell, A., Isard, M., Thacker, C., Wobber, T. 2005. A design for high-performance flash disks. Microsoft Research Technical Report MSR-TR-2005-176; ftp://ftp.research.microsoft.com/pub/tr/TR-2005-176.pdf.
	6	See reference 5.
	7	See reference 5.

CITED BY 2

	Elliot Jaffe , Scott Kirkpatrick, Architecture of the internet archive, Proceedings of SYSTOR 2009: The Israeli Experimental Systems Conference, May 04-April 06, 2009, Haifa, Israel
	Jaeyoung Do , Jignesh M. Patel, Join processing for flash SSDs: remembering past lessons, Proceedings of the Fifth International Workshop on Data Management on New Hardware, June 28-28, 2009, Providence, Rhode Island