What each alert means
Alerts are evaluated every 15 seconds by the leading central server, and resolve by themselves when the condition clears. Thresholds are on the Alerts tab.
| Alert | Severity | Means | See |
|---|---|---|---|
| Node … is offline | Critical | No heartbeat for the set time (nodes drained before they stopped excepted). | A node does not appear |
| Node … has a problem | Warning | A problem lasting over a minute: a port that cannot be opened, a TLS port without a certificate, low disk. | A node shows a problem |
| Node … is low on disk space | Critical | Its data volume is below the set free space. | The disk is filling up |
| Destination … is unreachable | Critical | No association for the set time; instances wait. | Studies do not reach a destination |
| Queue for … is backing up | Warning | More instances queued than the set depth. | A queue keeps growing |
| Instances for … are waiting | Warning | The oldest queued instance is older than the set time (not while paused by a schedule). | A queue keeps growing |
| Dead letters for … | Warning | Instances could not be delivered. | Dead letters keep appearing |
| … is being turned away | Warning | A sender was refused in the last hour: no route accepts it, or its transfer syntaxes. | A sender’s association is rejected |
| Central server … is not running | Critical | One of several central servers stopped. Remove it on the Nodes tab if it was retired. | Several central servers |
| HL7 to … is stopped on … | Warning | An HL7 destination refused a message; its queue waits. | An HL7 queue has stopped |
| HL7 messages from … are not reaching … | Warning | An HL7 destination has not answered for 15 minutes. | An HL7 queue has stopped |
| HL7 status updates are not reaching … | Warning | The RIS has not taken the worklist’s status updates for 15 minutes. | Modality worklist |
| MPPS from … are not getting through | Warning | Performed procedure steps have waited 15 minutes to go on. | Modality worklist |
| AI workflow …: studies without results | Warning | Studies sent in the last day got no result in time. | History › AI jobs |
| Studies wait for reconciliation on … | Warning | Studies have waited in the reconciliation queue for over an hour. | History › Reconciliation |
Notifications go by email and/or webhook when an alert is raised or resolved, with optional reminders (Remind every (hours)). Send test notification on the Alerts tab checks the settings.