Am 26.09.2013 20:21, schrieb Alexander Holler:
autorun.sh:
#!/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/trigger
I think using dd and creating an image is a pretty bad way to build a
backup.
I would suggest to use
sfdisk -d /dev/foo >sfdisk.emmc.txt
mount emmc
tar cpjf -C emmc .
umount emmc
Of course, it should be
tar cpjf emmc.tar.bz2 -C emmc .
and another tar might be necessary for the second partition.
And putting such a script together with busybox into an in-kernel
initramfs, and people would just have to build a card with one file, the
uImage.
Regards,
Alexander Holler
--
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