Unable to apply FSVM_Profile_DO_NOT_MODIFY storage policy to file shares or vms.
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Unable to apply FSVM_Profile_DO_NOT_MODIFY storage policy to file shares or vms.

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Article ID: 386509

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Updated On:

Products

VMware vSAN

Issue/Introduction

When trying to apply storage policy FSVM_Profile_DO_NOT_MODIFY to vms or file shares other than vsan file services virtual machines, it errors out with RuntimeFault.Summary

Environment

VMware vSAN 7.0.x
VMware vSAN 8.0.x

Resolution

It's not supported to use  FSVM_Profile_DO_NOT_MODIFY on objects other than the vSAN File Service Virtual Machines themselves that are running on each individual host.

The reason being is that vSAN File Service Virtual Machines need their own dedicated RAID 0 Storage Policy.

Additional Information

For further information on the topic:

https://www.yellow-bricks.com/2020/04/15/vsan-file-services-considerations/

Quote from said resource:

The FS VM has its own policy (FSVM_Profile_DO_NOT_MODIFY), which should not be modified!
The appliance is not protected across hosts, it is RAID-0 as resiliency is handled by the container layer!