Testing/Reports/ARM RPi/Duplicating a RPi SD Card

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Duplicating a RPi SD Card

  • This makes an exact copy of a working SD Card

Equipment used

  • RPi and SD Card
Raspberry Pi "B" 512 memory
8GB class 10 Sandisk Ultra SD with XFCE and Sugar-Desktop installed (see link)
http://wiki.sugarlabs.org/go/Testing/Reports/ARM_RPi#Test_report_rpfr-f18-rc1.img
  • Laptop
"System 76" Gazelle Professional laptop
Intel® Core™ i7-3630QM CPU @ 2.40GHz × 8
Ubuntu 12.10 running gnome classic

Remove Working SD Card from a shutdown RPi and insert it in Laptop SD Slot

  • Start "Disks" gnome-disks
Unmount SD (both partitions)
Select "Create Disk Image"

Create Disk Image.png

Saved File is Rpi_8GB.img 7.9 GB
Name is optional; name it as you wish: xxxxx.img
  • Unmount SD Card in Disks

Compress Rpi_8GB.img (Optional)

NOTE this is an optional step
Do it if you want to share Rpi_8GB.img with others or archive it as a backup.
  • right click "Compress select Rpi_8GB.img

rpfr-f18-rc1-a-sd.img.zip 2.3 GB

Uploading now; available later today:--Satellit 14:12, 18 March 2013 (EDT)
  • Prebuilt 8 GB SD Card img file with sugar-emulator 0.98.x and xfce
This file can be Downloaded Here: http://people.sugarlabs.org/Tgillard/rpfr-f18-rc1-a-sd.img.zip
user=sugar password=sugaruser
  • Note do not use the rpfr-f18-rc1-a-sd.img with dd; it will fail to boot.

Extract rpfr-f18-rc1-a-sd.img.zip

  • right click on compressed file "archive Manager" Extract

Expand the partition with gparted

  • original partitions on restored 8 GB rpfr-f18-rc1-a-sd.img file
mmcblk0p2 partition is ext4

Rpfr-f18-rc1-a-sd.png

  • expanded mmcblk0p2 partition on 16 GB SD card with gparted

Rpfr-f18-rc1-a-sd-expanded.png

Insert 2nd SD Card in Laptop SD Slot

8GB class 10 Sandisk Ultra SD
16GB class 10 Lexar Platinum II SD
used in these examples
  • Start "Disks" gnome-disks
select "Restore disk image"
Select rpfr-f18-rc1-a-sd.img.zip and restore it.
  • Eject SD Card in "Disks"
  • Note do not use the rpfr-f18-rc1-a-sd.img with dd it will fail to work.

Insert the duplicated SD in the Rpi

Plug in RPi power supply cord and it will boot on copied SD Card.

Sugar-rpfr-f18rc1.png

  • rpfr-f18-rc1-a-sd.img file created with disk utility from working 8 GB SD card
and then restored with disk utility to a 16 GB SD Card and booted on RPi 512 "b"