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OS/2 Shareware BBS: 8 Other
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vfat_005.zip
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README.1ST
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1998-12-04
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Welcome to the fith beta of VFAT-OS2.IFS
-----------------------------------------
Contents
1. Warnings
2. Installation instruction
1. Warnings
-----------
vfat-os2 is a FILE SYSTEM DRIVER. Being a driver it runs at the most
privileged level of the OS/2 operating system, known as "kernel mode".
IN KERNEL MODE THERE IS NO MORE CRASH PROTECTION. It means that if a
bug occurs in the driver IT CAN CAUSE A HANG OR A SYSTEM HALT, AND THUS
CAN CAUSE LOSS OF DATA.
I STRONGLY SUGGEST YOU TO MAKE A BACKUP OF ALL YOUR DATA (EVEN IF THEY
ARE NOT LOCATED ON A VFAT PARTITION) PRIOR TO USE THIS DRIVER.
DON'T USE THIS DRIVER ON A PRODUCTION MACHINE, OR IF YOU MANIPULATE
CRITICAL DATA.
IF HUMAN LIFE DEPENDS ON YOUR SYSTEM, DON'T INSTALL THIS DRIVER ON IT.
USE IT AT YOUR OWN RISKS, AND ONLY ON A MACHINE YOU ACCEPT TO CRASH AND
REINSTALL.
2. Installation instructions
----------------------------
2.1 Manual installation of vfat-os2
-----------------------------------
1. copy mwdd32.sys in boot drive\OS2 or in boot drive\OS2\BOOT (WARP only)
2. add the following line in CONFIG.SYS
BASEDEV=MWDD32.SYS
(add -q to disable startup screen)
3. make a directory to hold vfat-os2 files somewhere but NOT on a VFAT
partition.
4. add this directory at the end of the PATH and LIBPATH statements in
CONFIG.SYS
5. copy the following files to that directory :
vfat-os2.ifs
vfat-os2.exe
vfat_lw.exe
umount.exe (only if not already installed together with ext2_240
this version does not use any EMX dll)
remount.exe (only if not already installed together with ext2_240
this version does not use any EMX dll and supports
specification of FS type on commandline)
6. add the following lines in your CONFIG.SYS
IFS=path\vfat-os2.ifs -cache:256 -errors=continue -VFAT:*
RUN=path\vfat_lw.exe
7. if necessary, adjust vfat-os2.ifs command line parameters (eg. add -q to disable startup screen)
Note : In CONFIG.SYS, vfat-os2.ifs MUST be located AFTER the IFS managing the
boot drive (HPFS.IFS usually).
Note: do not specify a VFAT partition in DISKCACHE statement in the CONFIG.SYS
2.2 Command line options for vfat-os2
-------------------------------------
vfat-os2 accepts the same command line options as ext2-os2 (whose ext2-support
is included in vfat-os2.ifs)
see also
http://www.geocities.com/SiliconValley/Bay/5313/install.html#450
In addition you have to specify which VFAT partition should be supported
to use a list of recognized FAT partition as VFAT:
-VFAT:<drive letter of your vfat partition><drive letter of second vfat partition>...
to use all recognized FAT partition as VFAT:
-VFAT:*
to force a FAT partition as VFAT when not automatically recognized:
-VFAT:C+
Currently you can't specify the boot partition as VFAT type.
For example if you like to enable VFAT support for your drive C: add the
following option to commandline
-VFAT:C
2.3 EXT2 support in vfat-os2.ifs
--------------------------------
vfat-os2.ifs includes the ext2-os2.ifs version 2.40. To enable it you need to download from
http://perso.wanadoo.fr/matthieu.willm/ext2-os2/index.htm (EXT2-OS2 2.40)
and install EXT2FLT and add "BASEDEV=EXT2FLT.FLT" to your config.sys
Alternatively you can use the newer version PARTFLT from H. Kelder
http://www.os2ss.com/information/kelder/index.html
instead of EXT2FLT.
2.4 VFAT_LW.EXE
---------------
VFAT_LW.EXE is a replacement of ext2_lw.exe
2.5 VFAT-OS2.EXE
----------------
VFAT-OS2.EXE is a replacement of EXT2-OS2.EXE
3. Read/Write Consideration
---------------------------
For safety reason write-support is disabled but can be enabled by one of two ways.
But don't forget that this version is still beta code and see '1. Warning'.
First way:
add the option '-rw' to the command line of VFAT-OS2.IFS and restart OS/2.
Second way:
start VFAT-OS2.EXE and enable 'read-write' support on the last page. After checking this option
Write-support is enabled immediatly for writing/creating files but not yet for creating/removing
directories on all supported drives (VFAT and EXT2).
To enable full write-support (same as the '-rw'-option) you have to remount the partition using the
following command sequence:
1. remount <drive letter>:
4. Early NTFS support
------------------
VFAT-OS2 v0.05 has an early readonly support for NTFS file system.
To enable the support add the "-NTFS" option to the commandline in the config.sys
e.g.
IFS=path\vfat-os2.ifs -cache:256 -errors=continue -NTFS
D. Steiner, 4. December 1998