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Old 03-04-2013, 05:33 AM   #1
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ASUS AN300 USB3.0 ext. HDD 500Gb

for some time now i have been trying to use this device with no success.. it is a fairly standard usb3 external HDD with a twist, it comes with a vcd partition which cannot be unmounted, formatted, ejected or erased and is the ONLY thing visible when connected to a linux system (tried with crunchbang, mint and manjaro) as opposed to osx and windows where both the vcd and the (rest) of the HDD are visible and usable..
this is both a warning to anyone who is considering this device for use under linux and a cry for help if from anyone who has encountered and possibly solved this particular or a similar problem..
here is a link to my previous attempt to solve this within the crunchbang community:
thank you!!
and just to rule the obvious out i have tried reformatting the drive in every way that i could think of.. gparted does not see it..
Old 03-04-2013, 03:53 PM   #2
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The HP tool...

Did you try the latest version of the HP USB Disk Storage Format Tool? The latest I found(2.2.3) was newer than the version found in your link. Might it work better? If you run it in Windows 7, try running it with Administrator Privileges.

Otherwise, if you can use the command "lshw" with root privileges in a terminal, you might be able to see who manufactured the actual HDD for Asus? If you can, there may be a HDD utility program that will low-level format the disk. ESTOOL for Samsung will do that for their HDD.

As I understand it, you havn't tried DD as yet. It's not that hard as long as you are sure exactly which HDD or partition you're working on. I don't know whether or not DD will see this hidden partition to do its job.

The Internet tells me this will the kill it, but if it does, you might have to restore the HDD msdos partition table before you can partition the disk.

Last edited by thorkelljarl; 03-04-2013 at 04:33 PM.
Old 03-04-2013, 09:17 PM   #3
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For more information about ASUS accessories Application:
Old 03-05-2013, 10:21 AM   #4
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@thorkelljarl (hope i got it right )
thanks, i have tried the "quick" way- no changes, actually, the hdd is "gone" (i suppose it needs to be formatted again in win7's disk management) but the vcd is untouched.. :P
doing a full format now..
about the dd thing, i don't mind researching a little on my own (though pointers are welcome) but what i don't understand is how can i perform ANY operation with a drive that is invisible??
any additional input is greatly appreciated..
Old 03-05-2013, 10:48 AM   #5
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Sounds similar to Western Digital external drives with a virtual CD (VCD). AFAIK dd would not work but it has been awhile...


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