This alert notifies you that the number of servers down or suspended in the MCDN grandparent cache tier reached a set threshold. This error is reported by a maprule.

You can set this alert to monitor one group.

Available for

• Aura Managed CDN

Notification time

• New Alert - Up to five minutes since the detection of the condition.
• Alert Cleared - The condition is cleared for three to eight minutes.

Threshold configuration

You need to set:

• The percentage of functioning servers in the grandparent cache tier and the server count necessary to trigger the alert.

• Whether the alert should be triggered when the threshold is reached for one of the selected maprules or all of them combined.

Troubleshooting

Follow the instructions from the Troubleshooting section on the alert's page.