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Date: Thu, 19 Aug 2010 08:27:30 +0800
From: Fbsd8 <fbsd8@a1poweruser.com>
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To: Glen Barber <glen.j.barber@gmail.com>
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Subject: Re: fix bad directory on FAT32 usb disk
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Glen Barber wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> On 8/18/10 9:55 AM, Fbsd8 wrote:
>> I have a fat32 usb disk that gives this error when mounting with
>> mount_msdosfs /dev/da0s1    "bad fat32 file system"
>>
>> Is there some way to clean or auto fix this fat32 file system so it will
>> mount?
> 
> Hi,
> 
> You can try fsck_msdosfs(8).  Does it mount in other OSes?
> 
> Regards,
> 
> - -- 
> Glen Barber

In XP I can access the usb hard drive and read/write all directories 
except one which gives a error.

fsck_msdosfs /dev/da0   gives  error  "Invalid sector size 48764"