Did fsck -y, I got the output below
CANNOT READ BLK: 3013344
ad6: FAILURE - READ_DMA STATUS=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=23946112
...
THE FOLLOWING DISK SECTORS COULD NOT BE READ: 3013441, 3013442, 3013448, 3013449, 3013455, 3013456, 3013461, 3013462, 3013468, 3013469
The...