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dgpretzel2 is offline dgpretzel2
2006-09-16 , 22:20
Posts: 35 | Thanked: 9 times | Joined on Sep 2006
#1
I was just reading http://www.math.ucla.edu/~jimc/nokia...g.html#filesys
about jffs2 file system. I wonder if it would be better to use jffs2 instead of ext2 to build a file system on MMC for use as extended root file system?

If so, is there available a mkfs utility for jffs2?

Off to google for me, but maybe the experienced Linux types here already know.

Thank you for any comments.

Regards,

DG
 
richie is offline richie
2006-09-17 , 11:18
Posts: 286 | Thanked: 259 times | Joined on Jan 2006 @ Cambridge, England
#2
I don't think you need jffs2 on MMC. The MMC has built in wear levelling, jffs2 is not required. But if you ran jffs2 on it as well, you would actually wear out your MMC card fast. Ext2 is best for the MMC.

Rich
 

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seandarcy is offline seandarcy
2006-10-15 , 21:09
Posts: 25 | Thanked: 0 times | Joined on Aug 2006
#3
I've just installed my 2gb mmc. So, I'd like to reformat it now if it make sense.

If ext2 makes the most sense ( it doesn't post metadata like ext3? ), how do you reformat mmc. I don't see mkfs.

sean
 
Milhouse is offline Milhouse
2006-10-15 , 22:36
Posts: 3,401 | Thanked: 1,255 times | Joined on Nov 2005 @ London, UK
#4
Originally Posted by seandarcy
I've just installed my 2gb mmc. So, I'd like to reformat it now if it make sense.

If ext2 makes the most sense ( it doesn't post metadata like ext3? ), how do you reformat mmc. I don't see mkfs.

sean
To install the tools to format an ext2 partition, open xterm then:
Code:
sudo gainroot
apt-get install e2fsprogs
 
BanditRider is offline BanditRider
2006-10-16 , 09:08
Posts: 264 | Thanked: 28 times | Joined on May 2006
#5
I just connect the 770 to my linux box with the USB cable and use a graphical partition editor like gparted or qtparted. You can even do this from a linux live cd like knoppix.

My 2GB mmc has a 256MB FAT32 partition mounted at /media/mmc1, a 128MB linux swap partition and the rest is ext2 mounted at /media/mmc2.
 
seandarcy is offline seandarcy
2006-10-20 , 20:56
Posts: 25 | Thanked: 0 times | Joined on Aug 2006
#6
why a 128 swap? isnt 64 the most 2006 will use? or is just futue protection?

does the memory applet find the swap partition? i thought 770 just created a file in the vfat partition.
 
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