eMMC backup
#16
Hello,
I use either DD or Partclone[1]. DD is reliable in recreating the whole image but backing up 64gb of data when 6gb is used is time consuming..
Partclone will back up a partition to a file and backs up only used space. I use sfdisk --dump to keep the partition layout the same.
I usually do something like

sfdisk --dump /dev/mmcblk1 > mmcblk1.sfdisk.dump
partclone.ext4 -s /dev/mmcblk1p1 -o ./pinebookpro-mmcblk1p1.partclone -c -N
partclone.ext4 -s /dev/mmcblk1p2 -o ./pinebookpro-mmcblk1p2.partclone -c -N

You can restore to a larger partition without issue and I *think* you can restore to a smaller partition if the used space of the back is (obviously), less then the available space. And it works with a wide variety of file system types.

[1] https://partclone.org


Messages In This Thread
eMMC backup - by milkaca - 06-30-2017, 09:37 AM
RE: eMMC backup - by zer0sig - 06-30-2017, 12:26 PM
RE: eMMC backup - by milkaca - 06-30-2017, 12:31 PM
RE: eMMC backup - by milkaca - 07-01-2017, 03:52 PM
RE: eMMC backup - by MarkHaysHarris777 - 07-01-2017, 03:56 PM
RE: eMMC backup - by pfeerick - 07-02-2017, 06:49 AM
RE: eMMC backup - by xalius - 07-02-2017, 06:51 AM
RE: eMMC backup - by milkaca - 07-02-2017, 07:54 AM
RE: eMMC backup - by zer0sig - 07-03-2017, 10:49 AM
RE: eMMC backup - by MarkHaysHarris777 - 07-03-2017, 10:53 AM
RE: eMMC backup - by Erik - 07-03-2017, 11:58 AM
RE: eMMC backup - by MarkHaysHarris777 - 07-03-2017, 12:06 PM
RE: eMMC backup - by zer0sig - 07-03-2017, 02:14 PM
RE: eMMC backup - by pfeerick - 07-04-2017, 04:04 AM
RE: eMMC backup - by sujunmin - 07-16-2017, 08:25 PM
RE: eMMC backup - by tmcavoy - 11-09-2019, 09:45 PM
RE: eMMC backup - by tmcavoy - 11-07-2019, 12:23 AM
RE: eMMC backup - by adamz - 02-24-2020, 03:05 PM
RE: eMMC backup - by adamz - 04-08-2020, 07:35 PM
RE: eMMC backup - by krigl - 02-25-2020, 01:03 PM

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