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Monitoring Storage I/O Control activity with new vSphere 5.1 counters

There was an interesting question posted recently around how you could monitor Storage I/O Control activity. Basically, how would one know if SIOC had kicked in and was actively throttling I/O queues? Well, in vSphere 5.1, there are some new performance counters that can help you with that.

By selecting an ESXi host and going to the Monitor > Performance > Advanced view, click on the Chart Options, select Datastore, and there are a number of new SIOC counters which can be selected:

Now you can monitor Storage I/O Control activity from the vSphere client. All the more reason to use SIOC.

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