I have an external 4 Tb HDD formatted ext4 that I use for non-essential files and backup.
Since weeks there are different issues when I mount it.
It appears to be mounted normally, but there is no access to the content using thunar file manager
It shows the main folders, but when I try to access them, it says that there is an input/output error
A pop-up states: "Error mounting: wrong fs type, bad option, bad superblock, missing codepage or helper program or other error"
I tried running:
$ sudo fsck.ext4 -f /dev/sdb1
e2fsck 1.45.6 (20-Mar-2020)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Backup: 27225/244195328 files (4.9% non-contiguous), 917411271/976754369 blocks
$ sudo e4defrag -c /dev/sdb1
e4defrag 1.45.6 (20-Mar-2020)
Total/best extents 1381/1325
Average size per extent 3888 KB
Fragmentation score 0
[0-30 no problem: 31-55 a little bit fragmented: 56- needs defrag]
This device (__) does not need defragmentation.
I also tried to use the tool "check and repair" on GParted, but the issues persisted.
Any idea of what might be the cause?