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Mastering VMware vSphere™ 4 by Scott Lowe

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12.8. Monitoring Disk Usage

Monitoring a host's controller or virtual machine's virtual disk usage is similar in scope to monitoring network usage. This resource, which represents a controller or the storing of a virtual machine's virtual disk on a type of supported storage, isn't restricted by CPU or memory mechanisms like reservations, limits, or shares. The only way to restrict a virtual machine's disk activity is to assign shares on the individual virtual machine, which in turn may have to compete with other virtual machines running from the same storage volume. vCenter Server's graphs come to our aid again in showing actual usage for both ESX/ESXi hosts and virtual machines.

Perform the following steps to create a host graph showing disk ...

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