i´m currently working with the SABRE board SDB from Freescale.
1) I prepared a SD-Card with 2GB for booting the Linux which comes as image, together with the MFG - Tool (kernel image, uBoot, and rootFS)
2) I prepared the internal eMMC which has a size of 8GB, with exactly the same images as used for the SD-Card
From my point of few, both, the SD Card and the eMMC are fomated in the same way (ext3).
For the eMMC 'df' gives me the following:
root@freescale /$ df -h
Filesystem Size Used Available Use% Mounted on
/dev/root 7.3G 167.8M 6.7G 2% /
tmpfs 438.0M 68.0K 437.9M 0% /dev
shm 438.0M 0 438.0M 0% /dev/shm
rwfs 512.0K 512.0K 0 100% /mnt/rwfs
rwfs 512.0K 512.0K 0 100% /tmp
rwfs 512.0K 512.0K 0 100% /var
For the SD-Card 'df' gives me the following:
|Filesystem||Size||Used Available Use% Mounted on|
|/dev/root||1.8G||57.8M||1.7G 3% /|
|tmpfs||438.0M||76.0K||437.9M 0% /dev|
|shm||438.0M||0||438.0M 0% /dev/shm|
|rwfs||512.0K||512.0K||0 100% /mnt/rwfs|
|rwfs||512.0K||512.0K||0 100% /tmp|
|rwfs||512.0K||512.0K||0 100% /var|
So, why are the used spaces different and why so big?
I expected the size of the rootFS should be something about 20MB.
I´m sure I am missing some fundamental items.
May be someone can shed up some light on my darkness.