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From: "Gayn Winters" <gayn.winters@bristolsystems.com>
To: "'Craig Deal'" <craig@advantagecomputer.biz>,
	<freebsd-questions@freebsd.org>
Date: Wed, 19 Oct 2005 10:56:41 -0700
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Subject: RE: Replacing a failing HD
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> -----Original Message-----
> From: Craig Deal [mailto:craig@advantagecomputer.biz] 
> Sent: Wednesday, October 19, 2005 7:07 AM
> To: gayn.winters@bristolsystems.com; freebsd-questions@freebsd.org
> Subject: RE: Replacing a failing HD
> 
> > > > > I tried this and got the following error:
> > > > > 
> > > > > ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> 
> > > > > error=40<UNCORRECTABLE>
> > > > > LBA=8387712
> > 
> > A couple ideas for dd:
> > 
> > Have you tried bs=512b ?
> > 
> > How about conv=noerror ?
> > 
> > 
> > -gayn 
> 
> 
> Using "bs=512b" worked. I booted to the new disk and 
> everything looks ok. I
> also ran "fsck" in single user mode, which indicated no 
> problems. Can I
> assume everything is ok, or is there anything else I should check?
> 
> Craig

I'm sure it is ok, but I'd double check the output of fdisk and
bsdlabel.  You've got some extra space now and you may want to use it.
Read the handbook on moving to a larger disk.

-gayn