sudo umount /dev/sda7 &>/dev/null
sudo fsck -y /dev/sda7
sudo mount /dev/sda7 /mnt
dmesg | tail # <-- покажи лог
[ 1802.583541] sd 1:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 1802.583550] sd 1:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
[ 1802.583561] Descriptor sense data with sense descriptors (in hex):
[ 1802.583566] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 1802.583587] 5a 4c 98 30
[ 1802.583596] sd 1:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate failed
[ 1802.583607] sd 1:0:0:0: [sda] CDB: Read(10): 28 00 5a 4c 98 30 00 00 08 00
[ 1802.583626] end_request: I/O error, dev sda, sector 1514969136
[ 1802.583665] ata2: EH complete
[ 1802.583683] EXT4-fs (sda7): can't read group descriptor 5