One of WD external harddrives is not working when I try to access some folder. I am able to access the rest of the folders on the disk. I am getting Input/Output error as show in the attached Image. error screenshot

Also I run some sudo commands which I found in some of the fora, does this output help in anyway to narrow down the issue? sudo command outputs

How can I get to my data in that particular folder.

1 Answer 1


This looks like a corruption on drive sdb. Before you try and repair that NTFS partition (probably best try natively under Windows) you can use ddrescue to make a copy of the drive, so you have something to retry in case the repair fails.

You can also use smartctl to check if the drive has errors, but if this drive is connected via USB you might not be able to issue the commands to the drive.

It might not be a good idea to continue using that driver after (and if) you recover the data.

  • My laptop doesn't have enough space to use the ddrescue command, which I guess take all the 2TB image file when i execute right? Commented Oct 5, 2014 at 8:46
  • @AnwerSylesh Yes, or at least the size of the partition, not necessarily the whole drive
    – Anthon
    Commented Oct 5, 2014 at 9:27

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