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OVM vs. vSphere:4x More Marketing4x Fewer FactsHow Oracle has gotten it completely wrong in their comparison of OVM 3 and vSphere 5Jeff Browning, EMCAvinash Nayak, VMware

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Oracle Claims concerning OVM

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Is OVM 3 four times morescalable than vSphere 5?

OVM: 128 vCPUs per VM vSphere 5: 32 vCPUs per VM

vCPU

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Or is vSphere 5 four times morescalable than OVM 3?

OVM: 128 VMs per Host vSphere 5: 512 VMs per Host

VM

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Native vs. VirtualizedPerformance: vSphere 5 92 -

97% of Native!

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Native vs. VirtualizedPerformance: OVM 3

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Is vSphere 5 four timesmore expensive than OVM 3?

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vSphere 5 vs. OVM:Feature Comparison

Feature vSphere 5 OVM 3

Clustered file system

VMFS 5 OCFS2

Role-based access Yes NoStorage vMotion Yes NoStorage arrays 1,200 20Auto tiering Yes NoGuest OS support 88 13Resource pools Yes CPU / network only“Noisy neighbor” Yes NoHA policies Yes LimitedMemory sharing Yes No

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Is OVM 3 more efficient than vSphere?

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Grading claims made by Oraclewith respect to OVM 3 vs. vSphere 5

Marketing:PassDelivery: Fail

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