Lustre MGC and Obdclass Deep Dive



  1. The talk covers the two core subsystems in Lustre - MGC and Obdclass
  2. MGC subtopics include - Introduction to MGC, MGC module initialization and obd operations, workflow of mgc_setup and its operation, Lustre log handing along with other mgc operations such as precleanup, cleanup and import event.
  3. ObdClass subtopics include - obd_device structure, MGC lifecycle and its various stages, different stages in obd device lifecycle such as class_attach, class_export and cleanup, description on imports and exports and some useful APIs in obdclass.