---
title: Charmhub | Deploy Hardware Observer using Charmhub - The Open Operator Collection
description: Deploy the latest version of Hardware Observer on any cloud.
url: https://charmhub.io/hardware-observer/docs/metrics-and-alerts-hpe
---

# Hardware Observer

[Canonical BootStack Charmers](https://charmhub.io/publisher/bootstack-charmers "View all packages from Canonical BootStack Charmers")

* [Canonical BootStack Charmers](https://charmhub.io/publisher/bootstack-charmers "View all packages from Canonical BootStack Charmers")

Platform:

26.04

24.04

22.04

20.04

18.04

stable 894

```
juju deploy hardware-observer
```

[Learn to deploy on juju >](https://juju.is/docs/juju/manage-applications)

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#### Relevant links

* [Homepage](https://github.com/canonical/hardware-observer-operator)

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#### Contacts

* [Submit a bug](https://github.com/canonical/hardware-observer-operator/issues)

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Share your thoughts on this charm with the community on discourse.

[Join the discussion](https://discourse.charmhub.io/)

## [Metrics](https://charmhub.io/hardware-observer/docs/metrics-and-alerts-hpe#p-26508-metrics)

The details of the metrics exposed by Hardware Observer for HPE Smart Array Controllers are as follows:

| Metric Name | Description | Labels |
| --- | --- | --- |
| ssacli\_command\_success | Indicates if the command is successful or not |  |
| ssacli\_controllers | Total number of controllers |  |
| ssacli\_controller\_info | Shows information about controller part | slot, part, status |
| ssacli\_logical\_drives | The number of logical drives in the slot | slot |
| ssacli\_logical\_drive\_info | Shows information about logical drive | slot, drive\_id, status |
| ssacli\_physical\_drives | The number of physical drives in the slot | slot |
| ssacli\_physical\_drive\_info | Shows information about physical drive | slot, drive\_id, status |

## [Alerts](https://charmhub.io/hardware-observer/docs/metrics-and-alerts-hpe#p-26508-alerts)

The details of the alerts that are provided by Hardware Observer for HPE Smart Array Controllers are as follows:

| Alert Rule Name | Description | Severity |
| --- | --- | --- |
| SsaCLICommandFailed | Failed to run ssacli. | critical |
| SsaCLIControllerNotFound | ssacli controller not found. | warning |
| SsaCLIControllerNotOK | ssacli controller status not Ok. | critical |
| SsaCLILogicalDriveNotOK | ssacli logical drive status not Ok. | critical |
| SsaCLIPhysicalDriveNotOK | ssacli physical drive status not Ok. | critical |

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