Common VMware Virtual SAN terms

The following terms will be used throughout this chapter when discussing VSAN:

  • Components: This term is used to refer to the virtual machine data files once they have been written to a VSAN datastore. The components include the virtual machine files, any replicas as defined by the vSphere VSAN SPBM, witness components, and metadata. Understanding the number of components required is important, as this impacts on the number of vSphere VSAN hosts that are required.
  • Data efficiency: A term used by VMware to refer to the deduplication and compression features introduced in version 6.2.
  • Datastore: A VSAN datastore is similar in appearance to a traditional vSphere datastore, but is created using VSAN disk groups rather than ...

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