SPEK: A Storage Performance Evaluation Kernel Module for Block Level Storage Systems

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11th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems (MASCOTS'03)

Orlando, Florida

October 12-October 15

ISBN: 0-7695-2039-1

	ASCII Text	x
	Ming Zhang, Qing Yang, Xubin He, "SPEK: A Storage Performance Evaluation Kernel Module for Block Level Storage Systems," Modeling, Analysis, and Simulation of Computer Systems, International Symposium on, pp. 88, 11th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems (MASCOTS'03), 2003.

	BibTex	x
	@article{ 10.1109/MASCOT.2003.1240646, author = {Ming Zhang and Qing Yang and Xubin He}, title = {SPEK: A Storage Performance Evaluation Kernel Module for Block Level Storage Systems}, journal ={Modeling, Analysis, and Simulation of Computer Systems, International Symposium on}, volume = {0}, year = {2003}, issn = {1526-7539}, pages = {88}, doi = {http://doi.ieeecomputersociety.org/10.1109/MASCOT.2003.1240646}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Modeling, Analysis, and Simulation of Computer Systems, International Symposium on TI - SPEK: A Storage Performance Evaluation Kernel Module for Block Level Storage Systems SN - 1526-7539 SP EP A1 - Ming Zhang, A1 - Qing Yang, A1 - Xubin He, PY - 2003 KW - Performance tool KW - benchmarking KW - data storage KW - block level access KW - networked storage VL - 0 JA - Modeling, Analysis, and Simulation of Computer Systems, International Symposium on ER -

Ming Zhang, University of Rhode Island

Qing Yang, University of Rhode Island

Xubin He, Tennessee Technological University

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/MASCOT.2003.1240646

In this paper we introduce SPEK (Storage Performance Evaluation Kernel module), a benchmarking tool for measuring and characterizing raw performance of data storage systems at block level. It can be used for both DAS (Direct Attached Storage) and block level networked storage systems. Each SPEK tool consists of a controller, several workers, and one or more probers. Each worker is a kernel module generating I/O requests to lower level SCSI layer directly. Compared to traditional file system I/O and disk I/O benchmarking tools, SPEK is highly accurate and efficient since it runs at kernel level and eliminates file system overheads. It is specially suitable for accurately measuring raw performance of data storages at block level without influence of file system cache or buffer cache. Using SPEK, a user can easily simulate realistic workloads and produce detailed profiling data for networked storage as well as DAS. We have built a prototype on Linux and our experiments have demonstrated its accuracy and efficiency in measuring block level storage systems.

Index Terms:

Performance tool, benchmarking, data storage, block level access, networked storage

Citation:

Ming Zhang, Qing Yang, Xubin He, "SPEK: A Storage Performance Evaluation Kernel Module for Block Level Storage Systems," mascots, pp.88, 11th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems (MASCOTS'03), 2003

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