Probe CDM don't trigger alarm for static threshold for Memory or Disk or CPU
If you change the CDM configuration or you create a super package that containing the CDM configuration for Memory or Disk or CPU and you change the alarm active from yes to no will cause this issue.
You will be able to see on the Dr nimbus the QoS definition and QoS message but will not be able to see the Alarm or Alarm2.
Maybe you can see the alarm and alarm2 for Disk and CPU if you just change the configuration on the memory.
Any environment and SO that is using the CDM probe.
Open yours CDM configuration and looks for Memory and make sure is set to yes the alarm section
You have this configuration.
active = no
Must be yes
active = yes
If you have issue on the Disk check the Disk alarm section
If you have issue on the CPU check the CPU alarm section.