You can login to sizer account to access the host based sizer.

In the VMware Cloud on AWS Sizer homepage, Click Get Started under Host based Sizer. Enter the required details to fetch the resource recommendation from sizer.

Procedure

  1. Under Basic tab, in the Host based Sizer, you can choose your Host Preference as per your requirement. The sizer selects i4i instance type by default for VMC on AWS cloud provider.
  2. The default host considered by sizer is one. You can input the number of hosts depending on your needs.
  3. You can select the checkbox to Enable Stretched Clusters.
  4. The sizer by default excludes the management overheads. You can unselect the checkbox Exclude management overheads to include the management overheads.
  5. Click Additional tab, to update additional information.
  6. The Hyper-threading Weight which is applicable only for i3en and i4i is pre-filled to 25. You can change the value based on your requirement.
  7. Enter the number of vCPU/pCore. vCPU/pCore represents the share of virtual CPU per physical CPU. The sizer sets the default vCPU/pCore value to four.
  8. The Target RAM Ratio represents the utilized RAM towards committed value. The default RAM ratio is set to 1.25.
  9. The Storage efficiency is the Dedup by Compression ratio as applicable for the instance type selected. By default, 1.25 is selected for i4i instance.
  10. Fault Tolerance (FTT, FTM) refers to the vSAN Fault Tolerance configuration. By default, the sizer uses the Auto mode based on SLA-specific managed storage policy recommendations.You can change the fault tolerance value based on your requirements.
  11. Click GET RECOMMENDATION.
    • Under the Recommendation section, you can view the usable capacity and details of resource breakdown for CPU, Memory, and Storage based on your requirement.
    • You can also view the Consumed resources and Headroom occupied by the resources along with the Assumptions that were considered.
    • Click DOWNLOAD REPORT (PDF) to download the resource breakdown report.