SD card not detected after re-partitioning it, FAT32 + EXT4


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  1. d4ryl3

    d4ryl3 Member

    I followed the steps here to add an EXT4 partition on my 8gb sd card: Properly Partition SD Card For App2SD+ Android ROMs

    Now I have 6.xGB FAT32 as the primary partition, and a 1GB EXT4 logical partition. But my Samsung Galaxy Ace (running on CyanogenMod-7.2.0-C1-cooper, official nightly build) doesn't recognize the sd card anymore.

    Please help. Thanks.

    Update: I gave up and reformatted it back to a single FAT32 partition, copied my backup into the sd card, now the apps don't get recognized. Please, please help me. :(

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  2. Hadron

    Hadron Well-Known Member Contributor

    I think you need both partitions to be primary. Don't know why that would stop the fat32 being recognised though, unless you got the order wrong.

    How did you do your backup? Do you have a folder called .android_secure on the card? That is where apps moved to sd live.
  3. d4ryl3

    d4ryl3 Member

    Ok, I'll try to make them both primary. Thanks.

    Regarding my backup, I just copied everything on my sd card into my hard disk, including that folder. I'm not sure what caused the issue, as I've already replaced my sd card (previous 2gb) with this one via copy-paste.

    Update: Ha! I just checked my backup and it doesn't have the folder .android_secure. I think I know why. I copied the files via my Ubuntu installation and I think hidden folders aren't shown (and I believe .android_secure is a hidden folder) when I pressed ctrl+a. -__-
  4. karandpr

    karandpr Well-Known Member

    If you have CWM 5.0 and above's nandroid backup then you may .android_secure backed up .
  5. Hadron

    Hadron Well-Known Member Contributor

    Actually CWM 2.5.0.7 would back up .android_secure on my phone.

    Yeah, on linux anything starting with "." is hidden. I always set it to show hidden files, though I generally use terminal commands anyway (but even that way you'd need to do both a "cp *" and a "cp .*" to make sure you got it).
  6. d4ryl3

    d4ryl3 Member

    Yeah, I guess I was just careless when I did my back up. But had I known before that I should check .android_secure, I wouldn't have this trouble. Thanks for letting me know. :)
  7. argedion

    argedion The TechnoFrog VIP Member

    Forgive my ignorance here but doesn't CMW have a partition section in it? I haven't ever used it I have Amon RA (EVO 4G) However the proper way to partition your phone's SDCARD is from the Phone itself. Go into recovery and choose partition and then choose ext2 partition the card then you can convert from ext2 to ext3 and if you choose from ext3 to ext4.

    Also note that you can only have 1 primary partition on a drive that should be your FAT for the SDCARD and ext? should be and extended partition.

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