How to fix a disk error on external hard drive

Hardware Hub Storage
1

Hello,

I have an external hard drive that is formatted with ext4. It has a lot of important files on it and my computer was forcefully shut down by me kicking the power cord accidentally. When I powered it back on there is a disk error when trying to mount my external hard drive. It recognizes the hard drive is there but cannot mount.

Is there a way to scan and fix the hard drive on linux?

I am running on arch linux.

2

Is there an error message in dmesg or syslog?

Any odd reports there when you connect the (presumably USB) drive to another port?

3

Start by downloading smartmon tools and show the output of smartctl on that particular drive. I assume you have run fsck on the drive?

4

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