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Posts Tagged ‘VMDK’

Mark Achtemichuk van VMware heeft de performance verschillen tussen VMware’s Raw Device Mapping (RDM) en VMDK gemeten, deze keer op basis van vSphere 5.1.

VMDK vs RDM

Zijn conclusies zijn duidelijk:

What you should takeaway from this vSphere 5.1 data, as well as all previously published data, is that there is really no performance difference between VMDK and RDM and this holds true for all versions of our platform.  +/- 1% is insignificant in today’s infrastructure and can often be attributed to noise.  The decision between VMDK and RDM is now one of architecture or functional requirement and without a special need, VMDK should be used by default.  It provides all the performance and flexibility you require to virtualize your most critical business applications.

Zie VMware vSphere Blog

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