Monday, October 3, 2016

Odroid-c2 assembly

It is time to assemble the odroid-c2!
The assembly requires :
- attachment of the eMMC card on the Board
- put the Board inside the case
- secure the case with 2 very small screws (screwdriver not included!)
The parts are :

The first thing was to attach the eMMC card on the board.

It had a strange feeling that I might break it!
But in the end, I realized that the eMMC cards does a click and snaps into place!

Next up, was to put the board inside the case.

The board fits exactly inside the case.
The case closes with three clips (that feel that they will break when trying to open it!).
And also it requires 2 very small screws to secure the board inside it.
The board is very protected inside the case. The board did not move at all when I tried shaking the case!
You can see what the odroid-c2 looks assembled:

Isn't that a beauty?

Using the eMMC card yields higher speeds at the expense of more difficult disassembly in case one needs to extract the card.
Using a microSD card, although lower performance, one can extract the card without opening the case. You can see there is an opening on the case for the microSD card :

I wish that on the "c3" (if there ever is one!), there will be an opening for eMMC too!!!

Odroid-c2 eMMC card backup - burn image - restore (Part 1)

As a seasoned administrator, the first thing I did was BACKUP!
A backup of the eMMC card to an image file using my laptop and a microSD-to-USB adapter that I own.
I wanted to be sure that I could revert back to the initial image in a blink of an eye in case of OS/file corruption!

To make this work, I used the eMMC with it's eMMC-to-microSD adapter, and my own microSD-to-USB adapter.

So I attached the odroid's eMMC card to its eMMC-to-microSD adapter.
Then I attached that to my microSD-to-USB adapter.
And finally jacked it up in my laptop!
And it worked!

It IS a monstrosity! But it works!!!

The free backup programs that I used are :
- "AOMEI Backupper Standard" and
- "Active Disk Image"
Both programs take disk-to-image backups that include the boot sector.
Furthermore both programs can execute image-to-disk restore from a pre-existing backup.
I took 2 backups, because I had problems in the past with a backup file that was restored and could not be booted!
When both of the backups were complete, I felt safe!

Each backup took about 5 minutes each (running at 17MB/s read speed).
I expected a higher speed. I don't know if there was a bottleneck somewhere.
I 'll do a disk benchmark in the future. No doubt about that!

This post will be continued with instructions to burn an ubuntu minimal image (and maybe an LibreELEC image), as well as instructions about restoring an pre-existing backup.