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After installing a custom ROM (Onecosmic's ICS 4.0.3 rc1) on my Samsung I9000 Galaxy S, the external_sd symlink is broken. So, I wanted to get this symlink back. I used the following code in Terminal Emulator (yes, I am rooted with SuperUser):

su (superuser asked for rights, allowed)
cd ./mnt/sdcard
ln -s ./mnt/emmc external_sd

But I got the following error:

Operation not permitted.

How can I create the symlink now?

  • external_sd is a mount point, not a symlink (hence it's a folder). You'd need to change how the ROM mounts it to go there instead of /mnt/emmc. – Matthew Read Jan 4 '12 at 0:36
  • @Matthew Read: So, how would I go about doing that? – Deniz Zoeteman Jan 4 '12 at 10:46
  • I've never even heard of that ROM, so I wouldn't know where to begin. – Matthew Read Jan 4 '12 at 15:03
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What's the partition format of the SD card? FAT does not supports symlinks, although I believe it should be possible to create a symlink in ext3 that points to a FAT directory.

Also, there are operations that even root are not allowed to do, such as writing to a read-only drive or writable drives that are mounted read-only. What's the output of 'mount' command?

Also, your command looks fishy; try using absolute path (i.e. do not prepend the path with ./, instead prepend with /):

$ su
# ln -s /mnt/emmc /mnt/sdcard/external_sd
  • mount says both sdcard and emmc are vfat. And obviously, the main storage is read/write. Are there any options for me? How could there be a symlink in the beginning? Or is that coded in the software? Because during the upgrade to the new rom, nothing was formatted. – Deniz Zoeteman Jan 4 '12 at 0:36
  • Btw, yes I did try to use your command, gave same output. Oh and yes the external_sd folder is deleted (to prevent problems with overwriting (read that at least in bash symlink doesn't overwrite)) – Deniz Zoeteman Jan 4 '12 at 0:45

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