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

From: Mark Lord
Date: Thu Mar 04 2010 - 12:50:04 EST

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.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at