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Chapter 1. Cluster health

1.1. Verifying OpenShift Data Foundation is healthy

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

Procedure

  1. In the OpenShift Web Console, click StorageOpenShift Data Foundation.
  2. In the Status card of the Overview tab, click Storage System and then click the storage system link from the pop up that appears.
  3. Check if the Status card has a green tick in the Block and File and the Object tabs.

    Green tick indicates that the cluster is healthy.

See Section 1.2, “Storage health levels and cluster state” for information about the different health states and the alerts that appear.

1.2. Storage health levels and cluster state

Status information and alerts related to OpenShift Data Foundation are displayed in the storage dashboards.

1.2.1. Block and File dashboard indicators

The Block and File dashboard shows the complete state of OpenShift Data Foundation and the state of persistent volumes.

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

Table 1.1. OpenShift Data Foundation health levels

StateIconDescription

UNKNOWN

unknown icon

OpenShift Data Foundation is not deployed or unavailable.

Green Tick

odf health icon green

Cluster health is good.

Warning

odf health icon yellow

OpenShift Data Foundation 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

odf health icon red

OpenShift Data Foundation cluster has encountered an error and some component is nonfunctional. In internal mode, an alert is displayed along with the issue details. Alerts are not displayed for external mode.

1.2.2. Object dashboard indicators

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

StateDescription

Green Tick odf health icon green

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.

1.2.3. Alert panel

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 Data Foundation.