This metric lists all server devices managed by Cove Data Protection that have not completed a successful backup in the past 24 hours. It specifically filters for devices classified as BackupManager, with an operating system type of Server, and where the time since the last completed backup session exceeds 24 hours. Devices[?Type == BackupManager && HoursSinceLastCompletedSession_r > 24 && Settings.OSType == Server ] .Name