Storage
If you look at the ESXi and VM metric groups for storage in the vCenter performance chart, it is not clear at first glance how they relate to each other. You have many metric groups that you need to check, such as these:
- Storage network
- Storage adapter
- Storage path
- Datastore
- Virtual disk
- Disk
How do they impact one another? When do we use which metric group? How do they work in distributed storage (for example, VSAN)?
The following diagram explains the relationship. The green boxes are what you are likely to be familiar with. You have your ESXi host, and it can have an NFS Datastore, VMFS Datastore, or RDM objects. VSAN presents a VMFS datastore. The blue-colored boxes represent the metric groups you see in vCenter performance charts.
From ESXi ...
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