Exchange 2010 Disk I/O on vSphere

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In the first part of this series on Exchange 2010 on vSphere the focus was scale-up performance of a single Mailbox Server VM.  The results showed performance was great across all points tested, ranging up to 8000 users.  This article will take a look at disk I/O which is an important aspect of Exchange performance. Read more...

Surveying Virtualization Performance Trends with VMmark

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The trends in published VMmark scores are an ideal illustration of the historical long-term performance gains for virtualized platforms. We began work on what would become VMmark 1.0 almost five years ago. At the time, ESX 2.5 was the state-of-the-art hypervisor. Today’s standard features such as DRS, DPM, and Storage VMotion were in various prototype and development stages. Read more...

Exchange 2010 Scale-Up Performance on vSphere

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In order to provide some performance guidance for the new Microsoft Exchange Server 2010 on VMware vSphere 4, a series of tests were run in the VMware labs.  The first set of these tests involved a single Mailbox server VM that was scaled up from 1 vCPU to 8 vCPU with a range of memory Read more...