Hello mouse51180,   When you discover it, did you check the box that says "Enable trap reception from discovered iDRAC servers and MX7000 chassis."? Enabling  alerting in the iDRAC, sets the SNMP alert destination IP to the OME IP, and enables that SNMP alert destination.  It does Not configure the SNMP alert configuration categories.   You also want to configure the DRAC alerts : [URL]   It Alerts on 'status change'. If it was failed and then alerting was set up but it is still failed there would be no alert as there was no change in status.
I have a server that has a bad hard drive.  I have setup OME and added the iDRAC to the device list. I noticed that the Alert Log had already captured the critical state of the hard drive and put it in the alert log before I setup the SNMP settings so I did not get an error email about this.I was under the understanding that the servers were scanned once an hour.  I figured if I delete the alert logs I would get an email reporting the bad drive within an hour, but the alert has not been reported and the log has not been recreated several hours later.When does the server get scanned for errors and where can I adjust this to happen more often?  If I have a drive go down I dont really want to wait 24hrs before getting a notification.Thanks for the help.
OME Scanning Interval