[beagleboard] Having problems cloning eMMC, turns out 4GB != 4GB on different boards.

2014-12-22 Thread BrianW
Hello,
I have a Beaglebone Black with 4GB eMMC and debian preinstalled, that I got 
all setup for my application.  I got another 4GB BBB, and am trying to 
clone eMMC from the first one to this new one, but am having problems.  My 
current problem is the board that I have setup already has according to 
fdisk  3925868544 bytes, but the new one is only 3867148288 bytes  
which is like 59MB less.  First question is why are they different?  Second 
question is anybody have any ideas on how to clone it?  Currently I am 
booting with 8gb flash disk with debian installed on it.  I can't resize 
parition because parted isn't installed and I do not have internet access 
for the boards.  

Thanks.
B

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[beagleboard] Having problems cloning eMMC

2014-12-02 Thread brian
I am trying to clone an existing BBB, so my first try is using the scripts 
on http://elinux.org/BeagleBone_Black_Extracting_eMMC_contents .  So first 
thing I notice is the .img file created was only 2GB, whereas this is a 
newer BBB that has 4GB eMMC.  So when I updated script to write the img to 
new BBB, it no longer boots from eMMC.  i would like to make exact copies 
including uENV.txt, etc.  Does anyone know why this is not working?

The read command script is 

#!/bin/sh
echo timer  /sys/class/leds/beaglebone\:green\:usr0/trigger 
dd if=/dev/mmcblk1 of=/mnt/BeagleBoneBlack-eMMC-image-$RANDOM.img bs=10M 
sync
echo default-on  /sys/class/leds/beaglebone\:green\:usr0/trigge

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