VSphereOpenshiftClusterHealthFail with CheckStorageClasses alert in OCP

Issue

• VSphereOpenshiftClusterHealthFail alert is firing where health checks are failing for the vSphere storageclass.

[1] Firing 
Labels
alertname = VSphereOpenshiftClusterHealthFail
check = CheckStorageClasses
container = vsphere-problem-detector-operator
endpoint = vsphere-metrics
instance = 10.1.1.1:8444
job = vsphere-problem-detector-metrics
namespace = openshift-cluster-storage-operator
openshift_io_alert_source = platform
pod = vsphere-problem-detector-operator-65945bd844-6wmfc
prometheus = openshift-monitoring/k8s
service = vsphere-problem-detector-metrics
severity = warning
Annotations
description = The vsphere-problem-detector monitors the health and configuration of OpenShift on VSphere. If problems are found which may prevent machine scaling, storage provisioning, and safe upgrades, the vsphere-problem-detector will raise alerts. 
message = VSphere cluster health checks are failing with CheckStorageClasses
summary = VSphere cluster health checks are failing