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Silencing alerts in the UI

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You can easily silence/unsilence alerts attached to your existing SLOs using the Nobl9 UI.

Silence alerts​

Follow the steps below to silence an alert in the Nobl9 UI:

  1. Go to Service Level Objectives in the main navigation panel.

  2. In the SLO grid view, choose the SLO where you want to silence an alert, and click it.

  3. In the SLO details view, click More actions dropdown menu and select Silence alerts

    diagram
    Image 1: Silencing alerts step 1

  4. In the pop-up window:

    1. Choose the alert policy for which you want to silence your alerts by clicking on the slider next to it:

      choose alert policy
      Image 2: Choosing alert policies

    2. Choose the relevant period in the Silence for section that you'll see once you chose at least one alert policy for silencing:

    select period for silence
    Image 3: Selecting period for silence alerts
    1. To apply a custom range for the alert silence period, click Custom Range and select the required dates in the calendar. Then click Click Apply.:
    select custom period for silence
    Image 4: Selecting custom range for the alert silence period
    1. Click Silence to apply changes.

You can check the list of your silenced alerts by clicking (Un)Silence Alerts:

silenced alerts
Image 5: List of silenced alerts
tip

If there are no alert policies assigned to an SLO and you want to silence/unsilence alerts, you will see the following tooltip once you hover on greyed out Silence Alerts button in the More actions menu:

diagram

Scheduling alert silence​

Using custom range, you can schedule an alert silence in the future. To do that, click Custom Range and choose the required dates in the future. After applying changes, your scheduled alert silence appears in the Silence alerts menu:

scheduled silence
Image 6: Scheduled alert silence

Resuming alerts​

Follow the steps below to resume an alert in the Nobl9 UI:

  1. Go to Service Level Objectives in the main navigation panel.

  2. In the SLO grid view, choose the SLO where you want to silence an alert and click it.

  3. In the SLO details view, click More actions dropdown menu and select Silence Alerts:

    list of silenced alerts
    Image 7: Managing silenced alerts

  4. You will see a pop-up with a list of all silenced alerts for the SLO. You can:

    1. Choose alerts that you want to unsilence by clicking Resume now, or
    2. Unsilence all silenced alerts at once by clicking the Resume all button at the bottom:
    managing silenced alerts
    Image 8: Resuming alerts
tip

You can also see the list of all alert policies and their silence status in the Alerts tab in the SLO deatails view.

Here, you can also apply silence or resume alerts by clicking an appropriate button on the alert policy tile:

managing silenced alerts
Image 9: Managing alert silence on the alert details view

Managing alert silence​

You can monitor the statuses of your alert policies by checking the alert silence menu:

button statuses
Image 10: Alert statuses
tip

The message for the resolved alerts in an alert policy will appear for an hour after the time stamp of last alert's resolution.

Silence alerts and RBAC​

Users with the Organization admin and Organization responder roles or users with Project owner or editor, or Project responder roles assigned to a project where SLO belongs can add or remove silence on an alert.

Read more about role-based access control.

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