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Review request for cloudstack.


Bugs: CLOUDSTACK-6170
    https://issues.apache.org/jira/browse/CLOUDSTACK-6170


Repository: cloudstack-git


Description
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Cloud environments have a need for guaranteed storage performance. By this I 
mean having the ability to specify a minimum and maximum number of IOPS on a 
volume-by-volume basis.

I added support for this for XenServer and ESX in 4.2 for data disks.

I added support for this for KVM in 4.3 for data disks.

It is my intent to add support for this for XenServer and ESX in 4.4 for root 
disks (with subsequent support for root disks on KVM expected in 4.5).

The main changes are expected to occur in CloudStack logic that controls 
hypervisors and additions to the way root-volume orchestration happens.

This will also require minor changes in the SolidFire (storage) plug-in.


Diffs
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Diff: https://reviews.apache.org/r/18480/diff/


Testing
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Thanks,

Mike Tutkowski

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