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echo: os2
to: Mike Ruskai
from: Murray Lesser
date: 1999-10-19 08:56:00
subject: HPFS info quest

(Excerpts from a message dated 10-18-99, Mike Ruskai to All)

Hi Mike--

MR>I'm attempting to gather information on how the size of a drive
  >correlates with the HPFS system area.

...much deleted

MR>Is CHKDSK incorrect, or is there something big that I'm missing?

    Download the latest version of the DFSEE utility from your friendly
BBS and see if that will help you.  Here is a quotation from the
introduction to the doc file of an early 1999 version (DFSEE294) that
might give you some ideas as to what is covered in the utility:

 "The DFSee program is a disk and filesystem browser with an emphasis on
  the HPFS and FAT filesystems, disk partitioning and some NTFS.  It
  will support different file-systems sometime in the future. 

 "The program has been built while studying the HPFS filesystem.  It's
  main purpose is getting to understand the file-system as it resides
  on the disk itself, in the data-structures laid down in disk-sectors.
  Over time, additional logic was implemented to allow analysis of all
  sorts of disk problems on HPFS volumes.

 "The tool has been used a few times over the past years to analyse some
  real-life disk problems in a large systems-integration project.  Also
  it has proven very usefull in teaching others the internals of HPFS 
  Most of my knowledge of the HPFS file-system is based on the excellent
  lectures "HPFS Internals" at the 1994, 95 and 96 ColoradOS/2
  conferences by Doug Azzarito and on peeking arround on a lot of HPFS
  volumes using DFS."

    Hope this helps,

        --Murray

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