Whiteboard session
1 Sept 2001

Potential Smith topics

- Virtual Machine
- Scheduling algs: names, properties
  - MP?
  - Processes and disks
- Linking/Loading
  - Normal
  - MULTICS
- Atomicity questions
- LFS


- LFS
  - Inode map
    - Inode # -> disk block
    - supposed to be cached
    - "checkpoint region"
      - fixed location, holds address(es) of inode map

  - Segments
    - Fixed size
    - They partition the disk
    - 1 active segment that gets writes
    - Segment cleaned by having all the data read out and rewritten
    - Thread log to next free segment
    - Segment summary block tracks live data