vSAN disk group disappeared when Cache disk is removed.

Products

• VMware vSAN

Issue/Introduction

• Once after deleted the cache disk from a disk group, the disk group went missing.
  
  
• In vCenter UI, Cluster > Configure > vSAN > Disk management will not show the disk group associated with the removed cache disk.

Environment

VMware vSAN 7.x
VMware vSAN 8.x

Cause

Removing the cache disk will delete its associated disk group.

Resolution

This is expected behavior in a vSAN Cluster.

Additional Information

Managing and Configuring a vSAN disk group using esxcli commands