Re: Linux kernel - Libata bad block error handling to user mode program

Mark Lord
2010-03-04T17:50:00Z

On 03/04/10 10:33, foo saa wrote:
..
> hdparm is good, but I don't want to use the internal ATA SECURE ERASE
> because I can never get the amount of bad sectors the drive had.
..

Oh.. but isn't that information in the S.M.A.R.T. data ??

You'll not find the bad sectors by writing -- a true WRITE nearly never
reports a media error. Instead, the drive simply remaps to a good sector
on the fly and returns success.

Generally, only READs report media errors.

Cheers