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Duration 14 hours
Course Outline
IPMI Architecture within OpenBMC
- Overview of phosphor-ipmid and phosphor-net-ipmid components.
- Routing IPMI 2.0 commands: in-band versus out-of-band pathways.
- Extensions for DCMI and OEM commands.
- Handling IPMI session management and authentication protocols.
Sensor Management
- Understanding the D-Bus sensor model and YAML descriptors.
- Binding phosphor-hwmon to sysfs interfaces.
- Managing thresholds, event triggers, and hysteresis settings.
- Configuring virtual and aggregate sensors.
Hardware Inventory
- Configuring sensors via Entity Manager JSON files.
- Managing phosphor-inventory-manager and FRU data.
- Parsing VPD for both OpenPOWER and x86 platforms.
- Controlling LED and indicator statuses.
Thermal and Power Management
- Utilizing phosphor-pid-control and defining thermal zones.
- Implementing fan presence detection and PWM control mechanisms.
- Managing power states and chassis control functions.
- Implementing and handling watchdog mechanisms.
IPMI Tooling
- Leveraging ipmitool with OpenBMC-specific parameters.
- Injecting and debugging raw commands.
- Setting up Serial-over-LAN (SOL).
- Capturing and analyzing IPMI trace data.
Automation and Testing
- Automating sensor polling processes using Python.
- Executing Robot Framework tests for IPMI compliance.
- Conducting stress tests on thermal policies.
- Performing regression tests with openbmc-test-automation.
Debugging and Troubleshooting
- Utilizing journalctl and D-Bus introspection for IPMI diagnostics.
- Addressing common sensor reading failures.
- Managing the SEL (System Event Log).
- Resolving FRU mismatch and inventory discrepancies.
Integration and Customization
- Adding OEM IPMI commands.
- Developing custom sensor plugins.
- Defining platform-specific thermal profiles.
- Exporting sensor data to Redfish.
Requirements
- Familiarity with server hardware components.
- Foundational knowledge of IPMI 2.0 standards.
- Proficiency with the Linux command line.
Target Audience
- Hardware validation engineers.
- System test engineers.
- Firmware developers specializing in sensor and monitoring features.
Testimonials (2)
Very informative and the trainers kept it fun.
Mohd Shahroni Hj Timbang - ITPSS Sdn Bhd
Course - Ubuntu Server Administration and Centralized Identity Management
experienced trainer
