Iometer Access Specification (Part 2b). Explains how to adjust for different IO scenarios in your testing. iTechStorm Article:
http://www.itechstorm.com/iometer-tutorial-introduction
Iometer is a computer/server IO utility used for the purpose of testing various storage metrics, troubleshooting purposes, and IO performance benchmark. It can be used for testing various forms of storage: iSCSI, NFS, CIFS (SMB), or locally attached hard drive.
It shows real time results from testing and provides a summarized report upon completion of testing.
Quick Start Iometer Access Specifications to get you started:
Exchange2003 - 4K - 80% Rnd - 60% Read
Exchange2007 - 8K - 80% Rnd - 55% Read
SQLServer / 16K - 100% Rnd - 66% Read
Oracle OLTP - 8K - 88% Rnd - 72% Read
Oracle Data Warehouse - 32K - 20% Rnd - 90% Read
Max IOPS - 4K - 0% Rnd - 100% Read
Max Throughput - 32K - 0% - 100% Read
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