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Date:      Fri, 12 Dec 1997 09:08:54 -0200 (EDT)
From:      "Josué José Souza Jr." <josue@compacto.nexos.com.br>
To:        Bruce Evans <bde@zeta.org.au>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: Bad144
Message-ID:  <Pine.BSF.3.96.971212085103.3489B-100000@compacto.nexos.com.br>
In-Reply-To: <199712111529.CAA14239@godzilla.zeta.org.au>

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On Fri, 12 Dec 1997, Bruce Evans wrote:

> >Hello. I'm new on this list and I'm having a problem installing the
> >FreeBSD 2.2.5. The problem is: when bad144 scans the HD for bad
> >blocks, it says that there are too many bad blocks on the slice and
> >that it can handle only 126 bad blocks per slice. I tried making three
> >slices, but the last one always shows this problem. I tried the following
> >HDs:
> >Maxtor model 83240D4, 6696 Cyl, 15 Heads, 63 Sectors
> >Seagate model ST3320A, 6253 Cyl, 16 Heads, 63 Sectors
> 
> bad144 is normally only used for old MFM and ESDI drives, since modern
> drives remap bad blocks themself so that they appear to haeve 0 bad
> blocks.  Perhaps the slice size is wrong.

Is it safe to install the FreeBSD without using bad144 to scan the drive?
What I mean is: does FreeBSD 2.2.5 uses ATA's bios capability of mapping
bad blocks?
And I didn't understand how can the slice size could be wrong since I'm
not using fdisk directly to make them but the install program itself.  

> 
> >1. Does the bad144 have some kind of incompatibility with these HDs?
> 
> Old versions (from yesterday) couldn't handle slices larger than 2G.
> 
> >2. Is there any problem in continuing the install process, even with the
> >bad144 warning?
> 
> Probably.

I didn't understand this. If the modern drives do the bad block mapping by
themself, why can't I just ignore the warning or skip bad block scan?

> 
> >3. Is there another program similar to bad144 that could handle more than
> >126 bad blocks per slice? I know the badsect but it doesn't does the full
> >HD test.
> 
> No.
> 
> Bruce
> 


Thanks in advance,

-------------------
Josue Souza Jr.
josue@nexos.com.br
joshua@svn.com.br
-------------------




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