The steps below result in a *permission denied* error with accessing the device file (/dev/mmcblk1). Does the device file represent the eMMC?
On Saturday, 7 September 2013 09:12:56 UTC+12, Dale Schaafsma wrote: > > Gerald, > I can confirm that this works...note that I didn't test by going back to > the eMMC but that could be done by copying the backup image to a bootable > SD card and dd'ing it to the eMMC. > > This is my process: > 1 - to backup (on BBB...takes about 10min): > > boot via SD card > > dd if=/dev/mmcblk1 bs=1M | ssh user@ip 'dd of=/home/user/backup.img bs=1M' > > 2 - to restore to a SD card (on Linux laptop...takes about 10-20min) > > dd if=/home/user/backup.img of=/dev/<sdcard device> bs=1M > > > Also note that you can save just one partition and then it can be mounted > on a Linux machine...for example: > 1 - on BBB > > boot via SD card > > dd if=/dev/mmcblk1p2 bs=1M | ssh user@ip 'dd of=/home/user/backup.img > bs=1M' > > 2 - on Linux machine > > sudo mount backup.img /mnt > > > > -Dale > > > On Wednesday, September 4, 2013 1:41:51 PM UTC-5, Gerald wrote: >> >> I will add it to my long list of things. After you confirm that it works. >> >> Gerald >> >> >> >> On Wed, Sep 4, 2013 at 1:40 PM, Anewbie <[email protected]> wrote: >> >>> I had this exact same question as well. Thanks for posting. >>> >>> I found this link using Gerald Google search link. Look like a >>> reasonable approach to back up the image: >>> http://www.berriman.co.uk/how-to-backup-bbb-emmc-card/ . >>> >>> Perhaps this should be added to the BeableBone FAQ? ( >>> http://circuitco.com/support/index.php?title=BeagleBone_Black_FAQ ) >>> also might make sense to add the info here as well >>> ( http://circuitco.com/support/index.php?title=Updating_The_Software ) >>> >>> Gerald, are you the best person to contact regarding this suggestion? >>> (i.e. are you Gerald Coley referenced on the wiki? "If you have any >>> questions or issues with the content on this Wiki, contact Gerald Coley") >>> >>> On Wednesday, September 4, 2013 12:42:01 PM UTC-4, Nik wrote: >>>> >>>> hey guys! >>>> >>>> the topic actually says it all... im looking for a way to save the >>>> current state of my BBB to its sd card. im just tired of setting things up >>>> again every time i mess my BBB up and have to flash the eMMC again... >>>> unfortunately im pretty new to linux as well so i would be really >>>> greatful for some tips of you guys! >>>> >>>> thx >>>> nik >>>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
