1 host in the vSAN cluster is getting stuck at 19% complete while putting them in maintenance mode

Products

• VMware vSAN

Issue/Introduction

While upgrading vSAN cluster of multiple hosts. All but one host would enter Maintenance Mode.

Environment

vSAN

Cause

Cause is uncertain do to the host logs of the problem host not recording.

Resolution

After confirming that all other hosts could enter Maintenance mode and the vSAN Cluster had 100% healthy objects a force reboot was required to regain full ESXi host functionality.

Once the problem host was force restarted, it was able to enter Maintenance Mode when attempted.