Delfi Reinoso wrote:
> I have recently purchased a 117GB USB external disk and I have a
> funny problem.
> 
> My aim is to have a FAT32 partition on the drive so it is
> shareable between
> various systems. I have plugged in into a winXP system that
> allowed me to
> make a 32 GB FAT32 patition, leaving the rest of the 117 GB as
> free space,
> where I planned to make a JFS partition available to my ECS
> systems.
> 
> My surprise arrived when I rebooted my notebook with the default
> ECS 1.2
> system and refreshed removable devices: the FAT32 partition was
> there but
> LVM reported 5 GB of free space only.
> 
> I downloaded DFSEE and it informed me that the 'physical'
> geometry is
> unknown and the logical geometry renders a 37 GB disc.
> 
> Worse. I managed to make a 117Gb NTFS partition on it (using XP
> again) that
> OS/2 DFSEE sees as spanning beyond the end of disk.
> 

I have a similar problem with a Maxtor 80GB USB disc. When I use the IBM 
mass storage device driver, LVM and DFSEE both say that the disc is much 
smaller than its actual size and will let me use only the smaller 
capacity. However, if I use the Chris Wohlgemuth's mass storage device 
driver from 
http://www.os2world.com/cdwriting/cwusbmsd/files/cw-usbmsd-v1_2b.zip> 
the full capacity of the drive is recognized and I can format and use it 
as such. Once the disc is formatted both the IBM driver and Chris' 
driver can access it without problems, although the IBM driver still 
causes LVM and DFSEE to report problems.

I can only assume that the IBM driver, for some reason, reports an 
incorrect geometry for the drive and that this is important only when 
the drive is being partitioned/formatted. I used the cwusbmsd driver to 
partition/format the drive and switched to the IBM driver for day-to-day 
use. So far (many months) there have been no ill effects.

Regards

Sid Gale


 
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