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[Q] mmcblk0 copy on Asus TF300T stops at 4gb

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By kiwiscole, Junior Member on 11th June 2014, 09:15 AM
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Hello, I have worked out various methods of creating a bit by bit image of the internal storage of my TF300T

After entering this script in terminal emulator;

su
dd if=/dev/block/mmcblk0p8 of=/Removable/MicroSD/mmcblk0p8.img bs=512 count=56493000

the process begins copying the storage to the new file on my SD card,
BUT
It stops at 4gb when the total storage is about 27gb

Why does it stop?

Thanks.
 
 
11th June 2014, 10:00 PM |#2  
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mmcblkp0
Quote:
Originally Posted by kiwiscole

Hello, I have worked out various methods of creating a bit by bit image of the internal storage of my TF300T

After entering this script in terminal emulator;

su
dd if=/dev/block/mmcblk0p8 of=/Removable/MicroSD/mmcblk0p8.img bs=512 count=56493000

the process begins copying the storage to the new file on my SD card,
BUT
It stops at 4gb when the total storage is about 27gb

Why does it stop?

Thanks.

ok, its because fat32 only supports maximum 4gb files. is there a command in terminal emulator to split the file as it creates the image?
12th June 2014, 10:12 AM |#3  
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mmcblk0 copy
Quote:
Originally Posted by kiwiscole

ok, its because fat32 only supports maximum 4gb files. is there a command in terminal emulator to split the file as it creates the image?

SOLVED
I've reformatted the 32gb using Exfat which allows any file size, and is compatible with both the TF300t and windows 8

The unit is currently writing the image. I expect 27gb will take a while. So far about 7 hours.
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