Chapter 14. Storage Counters

We will continue our exploration of counters by covering storage counters in this chapter. We will take the same approach as we did with CPU and RAM. We will cover the following topics:

  • The layers in the storage subsystem
  • VM storage counters
  • ESXi storage counters
  • Cluster storage counters
  • Datastore storage counters
  • Storage counters for higher-level objects, such as datacenter, vCenter, and world
  • Counters for capacity monitoring
  • VMware VSAN counters

Multilayer storage

Virtualization increases the complexity of monitoring storage performance. Just like memory, where we have more than one level, we have three levels for storage. At the highest level, we have VMs. A VM typically has two to three virtual disks (or RDMs), such as an ...

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