On Sat, Aug 29, 2020 at 09:15:13PM -0500, golinux@??? wrote:
> dd if=/dev/zero bs=1M of=/dev/sda

That will just erase the first megabyte of the drive, leaving
utilities like cfdisk to think the drive is new and unformatted. It
won't attempt to over write the bad sector(s) though. See the other
message I posted on how you can try to over write just the bad
sector(s) faster.

Greg


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