VMDK Alignment

Following an excellent post at Vmetc.com talking about disk alignment where 3 options are given to align VMDKs

  • Manually with diskpart or fdisk before adding data.
  • NetApp’s ESX Host Utilities – mbrscan and mbralign
  • Vizioncore’s vOptimizer Pro

Let me introduce a fourth option here:

  • Migrate your template to Windows 2008/Vista or higher

Indeed, by default Windows 2008 will align its boot disk and any other disk to 1,024KB (a 2,048 sectors offset) to accomodate any storage vendor disk offset.


About PiroNet

Didier Pironet is an independent blogger and freelancer with +15 years of IT industry experience. Didier is also a former VMware inc. employee where he specialised in Datacenter and Cloud Infrastructure products as well as Infrastructure, Operations and IT Business Management products. Didier is passionate about technologies and he is found to be a creative and a visionary thinker, expressing with passion and excitement, hopefully inspiring and enrolling people to innovation and change.
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One Response to VMDK Alignment

  1. rbrambley says:

    Thanks for the 4th option!

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