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Course Outline
IPMI Architecture in OpenBMC
- Phosphor-ipmid and phosphor-net-ipmid components.
- IPMI 2.0 command routing: in-band versus out-of-band.
- DCMI and OEM command extensions.
- IPMI session management and authentication mechanisms.
Sensor Management
- D-Bus sensor model and YAML descriptors.
- Phosphor-hwmon sysfs bindings.
- Thresholds, events, and hysteresis settings.
- Virtual and aggregate sensors.
Hardware Inventory
- Entity Manager JSON configuration for sensors.
- Phosphor-inventory-manager and FRU data management.
- VPD parsing for OpenPOWER and x86 platforms.
- LED and indicator management.
Thermal and Power Management
- Phosphor-pid-control and thermal zones.
- Fan presence detection and PWM control.
- Power state management and chassis control.
- Watchdog implementation and handling.
IPMI Tooling
- Utilizing ipmitool with OpenBMC-specific options.
- Raw command injection and debugging techniques.
- Setting up Serial-over-LAN (SOL).
- IPMI trace capture and analysis.
Automation and Testing
- Automating sensor polling using Python.
- Robot Framework tests for IPMI compliance.
- Stress testing thermal policies.
- Regression testing with openbmc-test-automation.
Debugging and Troubleshooting
- Journalctl and D-Bus introspection for IPMI.
- Common causes of sensor reading failures.
- System Event Log (SEL) management.
- FRU mismatch and inventory issues.
Integration and Customization
- Adding OEM IPMI commands.
- Developing custom sensor plugins.
- Platform-specific thermal profiles.
- Exporting sensor data to Redfish.
Requirements
- Familiarity with server hardware components.
- Basic knowledge of IPMI 2.0.
- Experience with the Linux command line.
Audience
- Hardware validation engineers.
- System test engineers.
- Firmware developers focused on sensor and monitoring features.
14 Hours
Testimonials (4)
experienced trainer
Monika Biskupska - Osrodek Przetwarzania Informacji - Panstwowy Instytut Badawczy
Course - Kubernetes Security Fundamentals (LFS460)
trainer has hands-on knowledge
- Osrodek Przetwarzania Informacji - Panstwowy Instytut Badawczy
Course - Kubernetes for App Developers (LFD459)
A very good and easy-to-use virtual solution (DA DESKTOP).
HEITOR GAVA - Motorola Solutions Ltda
Course - Quick Introduction to Hypervisor and KVM
Tyler is very knowledgable and shared his valuable experience in Lustre administration with us.