vCenter reports that the vCenter VM is taking up an unusually large amount of space on vSAN datastore.

Products

• VMware vCenter Server
• VMware vSphere ESXi
• VMware vSAN

Issue/Introduction

vCenter is reporting that the vCenter VM is taking up 8.4TB+ of space in vSAN environment.

No snapshots are present on the vCenter VM.

Environment

vCenter Server 8.0

vCenter Server 9.0

vSAN

Cause

Deployment type of X-Large Storage Size was selected inadvertently, causing size of the VM deployed to be 4.2TB.

• For more information on usage basis deployment type, see Storage Requirements for the vCenter Server Appliance

In addition to this, if the vSAN default storage policy (FTT 1 RAID 1) is in use, the total usage of this vCenter VM in the vSAN datastore is twice the size it would otherwise be (about 8.4TB).

• For more information on usage per each vSAN policy, see What are vSAN Policies

Resolution

The vCenter needs to be re-deployed by selecting the desired environment size.

• For assistance or any related queries, please reach out to Broadcom support for assistance.
• For instructions, see Creating and managing Broadcom support cases.