Subject: Re: Where's the bad block information on IDE Disks?
To: Christoph Kaegi <kgc@zhwin.ch>
From: Perry E. Metzger <perry@piermont.com>
List: netbsd-users
Date: 02/06/2003 11:13:53
Christoph Kaegi <kgc@zhwin.ch> writes:
> On 2003.02.06 10:30, Perry E. Metzger wrote:
> > Re: Where's the bad block information on IDE Disks?
> > 
> > It is "hidden". The disk keeps spare blocks around and conceals the
> > bad ones from you automatically. If you start seeing bad blocks on
> > your drive, it means that you have so many of them that the disk can't
> > recover from it on its own. It probably means your disk is going to die...
> 
> So, the autoconf messages and disklabel don't show the actual 
> amount of sectors but ("actual amount" - "spare sectors for bad
> block replacement") ?

Of course. They can't show the "actual" amount since the drive doesn't
even report that to the OS.

.pm