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Backing Up eMMC
#1
Hi,
I am switching my older Pi 3 B for a Tinker Board S, so Im sure Ill be asking lots of questions!
My first one though... I know how to use win32disk imager to back up the SD card. But, how can I back up my tinker board's eMMC in case of a crash?
And what about all the other partitions on it?
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#2
Hi,

If you use our official OS image.
It should have UMS function, it can provide Tinker Board S' eMMC mount as a USB drive when you directly connect Tinker Board S to PC.
(like you first flash the image to eMMC)

Then in this case, you can use win32disk or other way to backup the whole image.

But if the image not support UMS, you also can find one SD card and put TinkerOS into SD card.
Then switch Tinker Board S' boot target to SD card and connect to PC.
It will provide the same UMS functions from SD card to mount eMMC as USB drive.

Thanks.

other ref: https://tinkerboarding.co.uk/wiki/index....ard_S_eMMC
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#3
Thanks!

(05-30-2018, 02:26 AM)Tinker Board Wrote: But if the image not support UMS, you also can find one SD card and put TinkerOS into SD card.
Then switch Tinker Board S' boot target to SD card and connect to PC.
It will provide the same UMS functions from SD card to mount eMMC as USB drive.

Can you explain this one further? I dont understand how using the SD card allows me to back up the eMMC
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#4
hi p1r473...
so you have new Tinker Board S...
nice ;-].. i found this https://www.youtube.com/watch?v=OP6OJ0JhMLU
about 7mins in.. he shows how to install..
when you plug Tinker Board S micro usb to PC usb..
then you should see new drive letter in [My Computer]..
http://www.raspberry-projects.com/pi/pi-...diskimager
Writing Your Own Custom SD Card Setup To A File
===============================
Run Win32DiskImager.exe
Ensure the Device drop down box has the new drive letter...
Press the folder button and select the folder and filename you want to use to write your image file to.
Press the Read button.
================================
that should do it..  i hope ;-]...
k
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#5
(06-05-2018, 04:31 AM)k247 Wrote: hi p1r473...
so you have new Tinker Board S...
nice ;-].. i found this https://www.youtube.com/watch?v=OP6OJ0JhMLU
about 7mins in.. he shows how to install..
when you plug Tinker Board S micro usb to PC usb.. 
then you should see new drive letter in [My Computer]..
http://www.raspberry-projects.com/pi/pi-...diskimager
Writing Your Own Custom SD Card Setup To A File
===============================
Run Win32DiskImager.exe
Ensure the Device drop down box has the new drive letter...
Press the folder button and select the folder and filename you want to use to write your image file to.
Press the Read button.
================================
that should do it..  i hope ;-]...
k
Thanks but, what if the image doesnt support UMS?
I am confused as to the instructions for if it doesnt...
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#6
hi p1r473...
if the eMMC image doesn't support UMS..
then get a new SD card and use https://etcher.io
to make image of TinkerOS_Debian V2.0.5 from https://www.asus.com/uk/Single-Board-Com..._Download/
then.. put the SD card, which now has TinkerOS_Debian V2.0.5, in Tinker Board...
then you have to set the pins on the tinker board to make it boot from SD card..
then you connect micro usb of tinker board to USB of your PC/Laptop...
now the tinker board will power up and boot off the SD card...
so.. the TinkerOS_Debian V2.0.5 image you just made on the SD Card will see that
you have connected the micro usb tinker board to another system..
so it will try to mount the SD card & the eMMC to your system...
so.. you should see 4 new drive letters..
ie.. E: F: for the SD & G: H: for the eMMC  
now.. I'm not sure of the exact order ;-]..
so.. now if G: H: are for the eMMC then to make backup you can
run Win32DiskImager.exe [ as administrator],
Ensure the Device drop down box has G:
Press the folder button and select the folder and filename you want to use to write your image file to.
Press the Read button.
------------------------------------------------------------
this should make an image for the whole eMMc...
I don't have Tinker Board S    YET ..;-]...
so.. I'm not !00% sure if the TinkerOS_Debian V2.0.5 image will mount SD card..
but it should support UMS and mount the eMMC.. 
which is what you want to backup ]]]...
hope this works 4you..
k.
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#7
You may also want to use gparted to reduce the partition size on the SD card

Otherwise you will image the whole card, some or most of which will be empty space

From terminal / CLI
Type
Sudo apt-get install -y gparted

Then type gparted at the CLI

Resize to a smaller partition and apply.

Then image the SD card
http://www.knight-of-pi.org/how-to-shrin...ed-and-dd/
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#8
Hi

Just remove the cap on a four pin base near the HDMI slot and then connect to the PC. The Tinker Board S' eMMC will mount as a USB drive.
You can back it up via Win32disk as always. Be sure to put the cap back to the same position after finishing the procedure, otherwise your TinkerBoard may not be able to boot to the OS again.
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