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Old 08-07-2004, 10:20 AM   #1
gdh
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Registered: Aug 2004
Location: The Netherlands
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Question WinXP can't read linux files copied to FAT32 partition


After hours of browsing and trying I'm trying my luck on these forums.

The setting:
On my notebook I have configured my harddrive which for multi-boot (winXP, Fedora Core1). I have formatted one partition in FAT32 using Partition Magic to share files between the two Os's. In WinXP I can read and write files on this disk. In linux I've mounted the drive (using /etc/fstab) and can read and write on this "datadisk".

The problem:
When I copy files to the "datadisk" in linux, windows can't find them in the filesystem. Only after running "chkdsk /f" the files are automatically recovered and accessable. I must say I was surprised by this behaviour. I suspect some inconsistencies in the fat filetables, but can't seem to find the correct settings. I also tried to use fdisk to set the ID of the partition hda6 from b to c (LBA mode), but without results...

The question:
Any guesses here how to correct this problem, so my linux files copied to a FAT32 partition are readable by both Os's ? Anyone experienced similar situations ?


Some background:
Partition Magic info:
h##p://gerwindehaan.nl/index.php?id=linuxquestion

Code:
Linux localhost.localdomain 2.4.22-1.2115.nptl #1 Wed Oct 29 15:42:51 EST 2003 i686 i686 i386 GNU/Linux
/etc/fstab:
Code:
LABEL=/                 /                       ext3    defaults        1 1
LABEL=/boot             /boot                   ext3    defaults        1 2
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /proc                   proc    defaults        0 0
none                    /dev/shm                tmpfs   defaults        0 0
/dev/hda5               swap                    swap    defaults        0 0
/dev/cdrom              /mnt/cdrom              udf,iso9660 noauto,owner,kudzu,ro 0 0
/dev/hda6               /mnt/datadisk           vfat    umask=0        0 0
fdisk -l
Code:
Disk /dev/hda: 40.0 GB, 40007761920 bytes
255 heads, 63 sectors/track, 4864 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/hda1   *         1      1912  15358108+   c  Win95 FAT32 (LBA)
/dev/hda2          1913      1925    104422+  83  Linux
/dev/hda3          1926      3200  10241437+  83  Linux
/dev/hda4          3201      4864  13366080    f  Win95 Ext'd (LBA)
/dev/hda5          3201      3330   1044193+  82  Linux swap
/dev/hda6          3331      4864  12321823+   b  Win95 FAT32
 
Old 08-07-2004, 10:31 AM   #2
david_ross
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Registered: Mar 2003
Location: Scotland
Distribution: Slackware, RedHat, Debian
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Welcome to LQ.

You may want to try checking your hard disk with "badblocks" to make sure there isn't a hardware fault.

You could also try copying all of the data off the partition and then reformatting it. You could also try upgrading your kernel incase there is a bug in hte vfat filesystem module.
 
  


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