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Recently, after a sudden power failure, my 1tb hard drive (/dev/sda1) failed and will not mount. It says, Error mounting /dev/sda1 at /media/zangar_/4b84d62b-520d-408e-addc-7a2bf52cc4e3: Command-line ``mount -t "ext4" -o "uhelper=udisks2,nodev,nosuid" "/dev/sda1" "/media/zangar_/4b84d62b-520d-408e-addc-7a2bf52cc4e3"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error

   `In some cases useful info is found in syslog - try
   dmesg | tail or so.`

I tried e2fsck but it asks me to Get a newer version of e2fsck! Then, I looked at all the other posts about updating e2fsck (here and here.) These answers did not work for me. My problem!

Any help is greatly appreciated, as i have time sensitive documents in the unmountable drive.

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2 Answers 2

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Using a live CD/DVD/USB seems like a workaround that may not be always applicable.

I believe that the correct answer how to have e2fsck updated is to compile latest version from the sources.

  1. Download the latest version (1.44.3) from http://e2fsprogs.sourceforge.net/ and unpack in a directory and cd into it.

  2. According to the INSTALL document:

     mkdir build; cd build
 ../configure
 make
 sudo make install

  3. Check that you have new version now:

     $ e2fsck -V
 e2fsck 1.44.3 (10-July-2018)
 Using EXT2FS Library version 1.44.3, 10-July-2018

Note: you may need to install compiler and tools with apt get install gcc.

UPDATE 09/2020: Above link is official ext2fs informational microsite (non https protected), lastest sources are securely hosted on https://sourceforge.net/projects/e2fsprogs/. BTW author announced: "All users of e2fsprogs are urged to upgrade to the 1.45.6 version as soon as possible".

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    While this may be an excellent answer otherwise, please note that the SourceForge link to the latest version uses the insecure HTTP protocol and as far as I am concerned it would be highly advisable to replace it with a more secure option (replacing the protocol part of the url doesn't work unfortunately). Partly flagging this up as I'm just humbly looking for the solution while you might have a slightly better looking link at hand :)
    – brezniczky
    Sep 23, 2020 at 2:55
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    Thanks @brezniczky for comment, I've added an update to the answer
    – VasekCh
    Sep 24, 2020 at 21:38
  • Thank you @VasekCh!
    – brezniczky
    Sep 25, 2020 at 22:03
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Boot to a Ubuntu Live DVD/USB 16.10 (prefer DVD). It must be 16.10 or higher.

Open a terminal and type sudo fsck -f /dev/sda1.

Now you may be able to mount the drive as normal.

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