# Service Health Dashboard

This document describes the built in service health dashboard that is part of <code class="expression">space.vars.product\_name</code>.

## What is Service Health Dashboard

<code class="expression">space.vars.product\_name</code> UI comes with a service health dashboard that is designed to provide overall health information for various backend services that run as part of a <code class="expression">space.vars.product\_name</code> setup.

## How to Access the Dashboard

1. Navigate to the top right corner in the <code class="expression">space.vars.product\_name</code> UI.
2. Click on the heart icon right next to the settings icon, highlighted in the image below.

<figure><img src="https://content.gitbook.com/content/SNWOoFOMzRblbHdwmlrR/blobs/RstFdS1Gs64AU6Z5jWG0/msjz35qlu06g6xcj5zbzhqapqhiufdpwq38veaau97ffzjmx1y4plu8ib24504tj.png" alt=""><figcaption></figcaption></figure>

3. This will take you to the service health dashboard.

## Service Health Details

The dashboard reports on:

1. Health of specific <code class="expression">space.vars.product\_name</code> services. This is under the `Service Health` tab. Following services are covered under this:
   1. Compute Service
   2. Block Storage Service
   3. Image Library Service
   4. Networking Service
2. Health of individual hosts running in your <code class="expression">space.vars.product\_name</code> setup. This is under `Host Health` tab.

### Compute Service Health

Compute service health is calculated using the following logic:

* If => 50% of all host with hypervisor role assigned are in `unhealthy` state, the service is reported to be `unhealthy`
* If > 25% but < 50% of all hosts with hypervisor role assigned are in `unhealthy` state, the service is reported to be in `warning` state
* If <= 25% of all hosts with hypervisor role assigned are in `offline` state, the service is reported to be in `healthy` state

Individual host level health status is calculated using the following logic:

* If the [Host States](https://docs.platform9.com/private-cloud-director/virtualized-clusters/add-hosts-virtualized-cluster#host-states) value is not `ok` then `unhealthy`.
* If the host state value is `ok`, then:
  * If the host is in maintenance mode, then `warning`, else
  * If Compute Service health status for this host is ok, then `healthy`
  * Else `unhealthy`

The compute service health status value at the host level is gathered using this command:

{% tabs %}
{% tab title="Bash" %}

```bash
pcdctl compute service list --service nova-compute
```

{% endtab %}
{% endtabs %}

## Image Library Service Health

Image library service health value may have one of the following values:

* NetworkError - If the <code class="expression">space.vars.product\_name</code> has trouble connecting with the Image Library service, this error value is reported.
* Unhealthy - If the <code class="expression">space.vars.product\_name</code> management plane can connect with the Image Library service, but the service API is unresponsive, this status value is reported.
* Healthy - If the <code class="expression">space.vars.product\_name</code> is able to connect with the Image Library Service, and the service API is responding, the service health is reported as `Healthy`.

## Block Storage Service Health

Block storage service health value may have one of the following values:

* Unhealthy - If the block storage service health status for the host is unhealthy, then this value is reported
* Healthy - If the block storage service health status for the host is healthy, then this value is reported

## Network Service Health

Network service health value may have one of the following values:

* Unhealthy - If the network service health status for the host is unhealthy, then this value is reported
* Healthy - If the network service health status for the host is healthy, then this value is reported


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