Barnett Hsu's Time Log

• (July 22, 1998) The following has been done during the time period up to today. Prior to mid-June, I studied NT audit logs produced by Amir Dabirian as well as the systems group. From mid-June to early July, I worked on a preliminary initial ``simulator'' of a disk optimizer that moved all blocks to the beginning of a disk. More recently, I've read through once three papers written by Chris Ruemmler and John Wilkes: UNIX disk access patterns, A trace-driven analysis of disk working set sizes, and An introduction to disk drive modeling.
• (July 23, 1998) Worked on project notebook.
• (July 24, 1998) Added more information from An introduction to disk drive modeling to project notebook as well as make some minor corrections to the notebook.
• (July 25, 1998) Add FAT and VFAT information to notebook.
• (July 26, 1998) Add more FAT information to notebook.
• (July 27, 1998) More FAT info plus the Thekkath paper added to notebook.
• (July 28, 1998) Update introduction to notebook.
• (July 31, 1998) Add more details to project notebook from Thekkath paper, and reorganize Disk Optimization chapter of project notebook. Download various white papers by Executive and Raxco Software from the Internet.
• (August 1, 1998) Rename Disk Optimization chapter to Disk Defragmentation. Reorganize chapter so that the sections on disk defragmentation software are separated from the description of the FAT file system. Add section on disk fragmentation.
• (August 2, 1998) Additional reorganization of notebook and more info on FAT added.
• (August 3, 1998) Redesign figure for fragmentation example.
• (August 4, 1998) Make some corrections to overall notebook and add some comments about simulator to notebook. Add more information on fragmentation to notebook.
• (August 5, 1998) Add more info about NT audit logs to notebook.
• (August 9, 1998) Add initial stuff on future directions to notebook. Clarify a few items in the fragmentation section of the notebook.
• (August 17, 1998) Add paragraph to Symantec Norton Utilities subsection specifying what items Speed Disk in Norton Utilities 2.0 for Windows NT does not move to notebook.
• (August 31, 1998) Add details about NU 3.07 to notebook. Add diagram for MFT and work on ``Future Directions'' section of notebook.
• (September 3, 1998) Add ``Short Term Goals'' section to ``Future Directions'' section of notebook.
• (September 19, 1998) Add new Simulation And Experimentation to notebook. Move simulator section to new chapter.
• (September 21, 1998) Add more details from Mark Russinovich's articles.
• (September 22, 1998) Begin work on producing final report from notebook.
• (September 23, 1998) Work on conclusion/summary
• (September 24, 1998) Look through report one last time and work on conclusion/summary