Survey: VMware vSphere storage reservation

Posted by Kenneth van Surksum   |   Tuesday, March 26th, 2013   |  

Frank Denneman senior technical marketing architect within the Cloud Infrastructure Product Marketing group at VMware is conducting a survey about storage reservation, a feature coming to vSphere which is currently in development.

The current version of Storage I/O Control provides tools to prioritize and provide fairness to I/O streams of virtual machines. However the current version does not provide a function to specify number of IOPS to guarantee a minimum level. Because the storage subsystem can be shared, external workloads can impact the performance capacity (in terms of IOPS) of the datastores and therefore a guarantee cannot be met temporarily. This is one of the challenges that must be taken into account when developing storage reservations and we must understand how stringent you want the guarantee to be.

You can take the survey here.


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