How can we improve Azure Pack?

Option to select between differencing disk or dedicated disks for a VM Role

When a VM Role is deployed, automatically differencing disks are used. This created additional management lifecycle and performance challenges. The possibility to choose between differencing disk and dedicated disks would prevent a lot of challenges

121 votes
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Marc van Eijk shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →
completed  ·  Azure Pack Team responded  · 

Thank you for your votes! We’ve implemented this suggestion in the System Center VMM Update Roll-Up 5 (UR5) release supported by WAP and SPF UR5’s. Here’s a blog from Marc van Eijk, WAP MVP, where you can go for more information on how to use the feature ( Now that this item is completed, you all can now direct your votes to other suggestions in the forum.

Thanks again for interacting with us, your feedback is greatly appreciated!

Kylie Hurd
Program Manager
Windows Azure Pack


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  • James GIll commented  ·   ·  Flag as inappropriate

    This was a really disappointing discovery. Had every intention of using VM roles but the use of differencing disks is not an option for us. The ability to use dedicated disks (fixed and dynamically expanding) would be a very welcome addition.

  • Michael Rüefli (drmiru) commented  ·   ·  Flag as inappropriate

    I do like the idea of VM roles, but facing the same issues as my fellows. Differencing disks are not a "want to have" for traditional server workloads within an enterprise organisation.

  • Stanislav Zhelyazkov commented  ·   ·  Flag as inappropriate

    VM Templates are not suitable replacement. With VM templates you cannot deploy application inside the VM. Service Templates will also not be suitable replacement as they are not flexible enough as VM roles. Also Service Templates do not fit into the Azure mode of having VM Roles and Cloud services. It will be really great if VM roles allows you to deploy VMs not only with differencing disks but with dedicated ones also. This is needed as the underlying storage will be different in many environments and that storage may not be suitable for differencing disks deployments.

  • Daniel Neumann commented  ·   ·  Flag as inappropriate

    For a customer of mine this is a show-stopper for using the VM Role in WAP. The customer will use instead the VMM VM Templates in WAP.

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