First check whether the reading and writing speed is normal. Use hdparm to check (not sure if this command is available in ubuntu, but it is available in RHEL)
Method hdparm -t /dev/sda
If a normal hard disk has no bad sectors, it is certain that it can generate tens of MB per second
First check whether the reading and writing speed is normal. Use hdparm to check (not sure if this command is available in ubuntu, but it is available in RHEL)
Method hdparm -t /dev/sda
If a normal hard disk has no bad sectors, it is certain that it can generate tens of MB per second