VMware Cloud Foundation Workload Domain expansion fails on the "vCenter: Enable Virtual SAN" sub-task

Products

• VMware Cloud Foundation

Issue/Introduction

Symptoms:

• Workload Domain expansion fails on the vCenter: Enable Virtual SAN sub-task
• You see messages similar to the following in the /home/vrack/vrm/logs/vrack-vrm-debug.log file:

2017-11-08 06:33:06.490 [pool-27-thread-2] ERROR [com.vmware.vrack.vrm.core.engine.SimpleWorkflowEngine] Exception in task: vCenter: Enable Virtual SAN for Workflow ff30c1ff-fde8-4ce1-b5b3-677b10e9ddd2-1510042560046-0
com.vmware.vrack.vrm.workflow.tasks.TaskException: The session is not authenticated.

2017-11-08 06:33:06.501 [pool-27-thread-2] DEBUG [com.vmware.vrack.vrm.workflow.tasks.vsan.EnableVsanTask] TASK vCenter: Enable Virtual SAN, status changed FAILED

• The vCenter Server associated with the Workload Domain in question is unresponsive.

Cause

This issue can occur when the vCenter Server associated with the Workload Domain being expanded is unresponsive.

Resolution

To resolve this issue, restart the vCenter Server associated with the Workload Domain being expanded. Restart the failed workflow.