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You also want to make sure there’s nothing else running on the computer, so that other running process don’t interfere with your results by putting additional load on the CPU, network or storage. If the disk you are using is shared in any way (like a LUN on a SAN), you want to make sure that nothing else is competing with your testing. If you’re using any form of IP storage (iSCSI LUN, SMB file share), you want to make sure that you’re not running on a network congested with other kinds of traffic.
WARNING: You could be generating a whole lot of disk IO, network traffic and/or CPU load when you run SQLIO. If you’re in a shared environment, you might want to talk to your administrator and ask permission. This could generate a whole lot of load and disturb anyone else using other VMs in the same host, other LUNs on the same SAN or other traffic on the same network.
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