Ok, for me it is not important to flash emmc. I can use system from card.
And I want use this method. So, what should I do step by step? For this
momet I have got old version on the emmc and ne we on sd card. If i remove
card, BBB boot from emmc. If I insert card, BBB boot from sd card. But when
I am using system form card there is problem with this PWM by adafruit in
python. When I use this comand: sudo dd if=/dev/zero of=/dev/mmcblk1 bs=1M
count=100 after rebooting BBB dont get up. All leds are off. With card,
without don't matter. BBB is off.
wt., 25 wrz 2018, 17:27 użytkownik Robert Nelson
napisał:
> > * I don't know enough about the flashing process to know if it is
> done on
> > a "by file" basis, or is done "by block". If the former, getting the used
> > space of the SD card down to around 1.5-1.8GB might be sufficient; if it
> is
> > by blocks, you'd have to somehow compress the SD card free space and
> shrink
> > the partition...
> > Perhaps Mr. Nelson could chime in on this part of the mysterious
> BBB
> > flashing process?
>
> So it's just rsync that copes files, so when it error's out, it really
> just error's out from lack of space..
>
> One option, for the 2GB eMMC that I've slightly played with but
> haven't tested in a flashing situation... Btrfs with compression..
>
> With BTFS with lzo, cut down the iot image from 3.3G to 1.6-ishG...
> Well somewhere around there, it's been a few months..
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
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