Re: Suggestions?

[Yury V. Umanets]

On Sun, 2004-01-18 at 05:55, Andrew Clausen wrote:
> On Wed, Jan 14, 2004 at 01:26:34PM -0800, Mike Arndt wrote:
> > Yesterday I noticed messages like the following appearing in my logs, 
> > accompanied by delayed access to some log files:
> > 
> > Jan 14 10:16:08 www kernel: hda: dma_intr: status=0x51 { DriveReady 
> > SeekComplete Error }
> > Jan 14 10:16:08 www kernel: hda: dma_intr: error=0x40 { 
> > UncorrectableError }, LBAsect=1803697, sector=823672
> > Jan 14 10:16:08 www kernel: end_request: I/O error, dev 03:01 (hda), 
> > sector 823672
> 
Hello,

This may be due to the following:
(1) Bad connection (check your ide buses)
(2) Bad memory (run memory check)
(3) And most possible reason is bad blocks (try to turn off dma and
check one more time)
(4) Use can also play a little bit SMART of your drive.

> This looks bad!
> 
> > I've used parted to mirror a drive before, but I wanted to ask for 
> > suggestions on any additional steps i should take, being that this 
> > drive is possibly damaged.  What can I expect from copying my data to 
> > another drive?  Is corrupt data on the target drive likely?
> 
> Yes, probably.
If you want to copy data, use dd_rescue instead of usual dd.
> 
> I don't know much about hard disks, but it is likely that you can
> spend money and get a reliable copy.  For example, it might be
> the circuitry that is broken rather than the actual disk, in which
> case a data recovery shop can probably do a transplant :)
> 
> I guess it depends how much the data is worth to you.
> 
> Cheers,
> Andrew

-- 
umka