VMware Cloud Foundation - Design Decision - On all vSAN datastores, ensure that at least 30% of free space is always available.
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VMware Cloud Foundation - Design Decision - On all vSAN datastores, ensure that at least 30% of free space is always available.

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Article ID: 318103

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Updated On:

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VMware VMware Cloud Foundation

Issue/Introduction

Design Decision: On all vSAN datastores, ensure that at least 30% of free space is always available.

Resolution

Design Justification: When vSAN reaches 80% usage, a rebalance task is started which can be resource-intensive.

Design Implication: Increases the amount of available storage needed.

This design decision is supported in the following Domains. 
•    Management Domain
•    VI Workload Domain

This design decision is supported on VCF version 4.1 and higher. 

Note: To search for additional information on this design decision please search on the design decision text in https://docs.vmware.com/. For example https://docs.vmware.com/en/search/#/%22Enable%20Network%20I%2FO%20Control%20on%20all%20distributed%20switches.%22

Additional Information

Please reference the VMware Cloud Foundation version you are running and if this design decision is applicable to you. 

VMware Validated Design (VVD) Bill of Materials