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Comparison of Storage Protocol Performance in VMware vSphere 4

Publisher:
VMware

Latest Revision:
Jun 19, 2009

Download:
http://www.vmware.com/files/pdf/perf_vsphere_storage_protocols.pdf

Description

This paper compares the performance of various storage protocols available on VMware vSphere™ 4. The protocols Fibre Channel, Hardware iSCSI, Software iSCSI, and NFS are tested using Iometer in virtual machines on an ESX 4.0 host. The Fibre Channel experiments were conducted over a 4Gb Fibre Channel network. The Hardware iSCSI, Software iSCSI, and NFS experiments were conducted over a Gigabit Ethernet connection. This paper includes key aspects of the test environment, performance results for throughput and CPU cost, and key findings of the experiments.


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