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Course Outline
IPMI Architecture in OpenBMC
- Phosphor-ipmid and phosphor-net-ipmid components
- IPMI 2.0 command routing: distinguishing between in-band and 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 handling
- 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
- Serial-over-LAN (SOL) setup
- IPMI trace capture and analysis
Automation and Testing
- Automating sensor polling with Python
- Robot Framework tests for IPMI compliance
- Stress testing thermal policies
- Regression testing using openbmc-test-automation
Debugging and Troubleshooting
- Journalctl and D-Bus introspection for IPMI diagnostics
- Common sensor reading failures and solutions
- SEL (System Event Log) management
- Addressing 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
- Fundamental understanding of server hardware components
- Basic knowledge of IPMI 2.0 standards
- Proficiency with the Linux command line
Target Audience
- Hardware validation engineers
- System test engineers
- Firmware developers focused on sensor and monitoring features
14 Hours
Testimonials (5)
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
Lots of exercises
Cesar - Centro Netec Chile
Course - Red Hat Enterprise Linux Automation with Ansible (RH294)
Tyler is very knowledgable and shared his valuable experience in Lustre administration with us.