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> Partition Sd 4gig - Hmmm, sandisk Ultra II 4gig
post Oct 25 2006, 08:38 PM
Post #1

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I just got a new 4 gig card YAY!! now I want to partition it, so I have a vfat partition, and an ext2 partition ...

I'm using fdisk as shipped with pdaXrom beta3 - I have replaced the SD driver with the newer tetsu/cresho one (from the newer 3200 series)

I fdisk /dev/mmcda

and create two new partitions. (at cylinders 1600 and 2407)

This should give me two partitions roughly 3 gigs and 1 gig .. or close enough.

then I use the type option to set primary partition 1 to type 6 (fat16) and primary partition 2 to type 83 (linux)

Then I do mkfs.msdos /dev/mmcda1
and a mkfs.ext2 /dev/mmcda2

mkdir /mnt/ext2

a mount -t ext2 /dev/mmcda2 /mnt/ext2 fails with a generic error .. wrong fs, too many mounted file systems ... etc ... Not sure why this is happening. . .

And when I put the SD card into my windows machine, it only reconizes 1 gig. (.99 to be exact) I figured this was because of choosing fat16 and a limitation. so I chose hex option b (fat32) the next time I fdisked the card ... and still the same problem.

I have since re-built the partition info, and formatted in windows to get the full 4gigs in vfat. However -- I don't like that it didn't work ... I followed all the instructions I've found perfectly, and I understand what it is doing and how it's happening ... but I don't see where my error is occuring.

Anyone else have some input that might help me out on this? I would like to install GIMP + extra brushes on the SD card since I don't have enough room for it internally.

Thanks! biggrin.gif
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post Oct 26 2006, 03:26 AM
Post #2

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Joined: 8-December 03
From: Suwanee, GA
Member No.: 1,067

I have a 4gig no-name brand. I partitioned it the same way you did and it works except for the 1.1g dos partition doesn't work thru my external card reader. It does work if I use a CF adapter and put it in the CF reader.

The ext2 partition probably doesn't work because of the block size. There was another thread here that stated you could 'mke2fs -b 1024 /dev/mmcda2' and it works, at least for me.
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