Trying to copy an ext4 partition that has errors on it, to a new disk

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http://askubuntu.com – I have a linux installation in a 50GB partition, on an old 80GB sata disk that is starting to show some errors in it's SMART status, and also, it's an old slow disk. So I want to copy it to a newer sata disk with a spare 500GB partition on it. I tried to do it using gparted using copy/paste. Gparted starts to copy it but fails with a read error after about 9 GB. Checking the filesystem on the source partition shows no errors, but I see 3 sectors in the SMART "Current Pending Sector Count" (using Ubuntu's Disk Utility) and I am thinking they are the problem? Is there a way to force it to re (HowTos)