Run these commands
smartctl -a /dev/sda
smartctl -a /dev/sdb
If the value for Current_Pending_Sector is higher than 0 then you have some bad sectors.
If the value is quite low you could use hdrepair to repair the sectors.
Run these commands
smartctl -a /dev/sda
smartctl -a /dev/sdb
If the value for Current_Pending_Sector is higher than 0 then you have some bad sectors.
If the value is quite low you could use hdrepair to repair the sectors.