Chapter 1. Cluster health

1.1. Verifying OpenShift Container Storage is healthy

Storage health is visible on the Block and File, and Object dashboards.

Procedure

Log in to OpenShift Web Console.
Check the Status card in the following locations.
- Storage Overview Block and File
- Storage Overview Object
  If Green Tick appears on the Status card, the cluster is healthy.
  If the state is not Healthy, see Section 1.2, “Storage health levels and cluster state” for more information about the current state and any alerts that appear.

Status information and alerts related to OpenShift Container Storage are displayed in the storage dashboards.

The Block and File dashboard shows the state of OpenShift Container Storage as a whole, as well as the state of persistent volumes.

The states that are possible for each resource type are listed in the following table.

Table 1.1. OpenShift Container Storage health levels
State	Icon	Description
UNKNOWN		OpenShift Container Storage is not deployed or unavailable.
Green Tick		Cluster health is good.
Warning		When OpenShift Container Storage cluster is in a warning state. In internal mode, an alert will be displayed along with the issue details. Alerts are not displayed for external mode.
Error		When the OpenShift Container Storage cluster has encountered an error and some component is nonfunctional. In internal mode, an alert will be displayed along with the issue details. Alerts are not displayed for external mode.

The Object dashboard shows the state of the Multicloud Object Gateway and any object claims in the cluster.

The states that are possible for each resource type are listed in the following table.

Table 1.2. Object Service health levels
State	Description
Green Tick	Object Storage is healthy.
Multicloud Object Gateway is not running	Shown when NooBaa system is not found.
All resources are unhealthy	Shown when all NooBaa pools are unhealthy.
Many buckets have issues	Shown when >= 50% of buckets encounter error(s).
Some buckets have issues	Shown when >= 30% of buckets encounter error(s).
Unavailable	Shown when network issues and/or errors exist.

The Alert panel appears below the Status card in both the Block and File dashboard and the Object dashboard when the cluster state is not healthy.

Information about specific alerts and how to respond to them is available in Troubleshooting OpenShift Container Storage.