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I have a Toshiba Class 10 64GB microSD that I want to use in a tablet (Cyanogenmod 11) by formatting it ext4.

So I did the usual thing (under Fedora 20): created a single Linux partition with sfdisk, then created the ext4 partition with mkfs.ext4 /dev/sdf1 without problems. Then, I just tried to mount it with mount -t ext4 /dev/sdf1 /mnt/sd/, but I got a journal error:

 JBD2: no valid journal superblock found
 EXT4-fs (sdf1): error loading journal

Tried googling this, but didn't find anything useful.

Any ideas?

Thanks!

L.

Luis A. Florit
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1 Answers1

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Try formatting without journaling and it should work:

mke2fs -t ext4 -O ^has_journal /dev/sdf1

Being an SD card, you probably don't want journaling enabled.

victorbrca
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