Reference the Log and File Collection to Aid in Troubleshooting chapter of the Installing the Avaya Solutions Platform 130 Series R6.0.x guide.
This will provide instructions on the following:
Collecting Host level log information.
Collecting a KVM on RHEL 8.10 SOS Report from the CLI.
Collecting a KVM on RHEL 8.10 SOS Report from the Cockpit UI.
Collecting an iDRAC Support Assist file.