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Linux - Embedded & Single-board computer This forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.

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Old 06-10-2008, 04:57 AM   #1
webquinty
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Registered: Apr 2008
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Problems with CF and jffs2.......


Hello,

I have a develop board with powerpc.
Kernel and rootfs is in a mtd block, kernel in a mtdblock3 and rootfs is a jffs2 image in mtdblock5.

Now, I am interesting in use a Compact Flash to save files a data, but I hace some doubts.

1.- Can I use a Compact flash as MTD with jffs2 file system???
2.- If I can use it, is it neccesaty to define a new dev (mknod mtdblockX)
to access device????

I looked for information about it but I did not understand well, so, please, could somebody help me???

Best regards.
 
Old 06-13-2008, 02:22 AM   #2
webquinty
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Ok, I answered myself.

Does JFFS work on Compact Flash? No.

And now, what is the best file system to work with a compact flash???
When my system startup, fstab mount compact flash with ext2 file system.
Then I have created a new folder and file in a compact flash, and finally I took off power of board.

But when I restarted board, I found that folder and file are missing.
I known the reason, I did not umount compact flash, but my question is:

How can I avoid it???

Best regards
 
  


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