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"


 * 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

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.


 * 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"

Optional:Expand the ext4 partition with gparted

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


 * expanded mmcblk0p2 partition on 16 GB SD card with gparted "resize"
 * Command is not available in "disks"