[NBLUG/talk] dd_rescue help

[Christopher Wagner]

Hi Howard, I'm sorry to hear about your failed drive.  A few thoughts:
If a recovery process isn't making any progress, then it is only 
exacerbating the problem.

Sometimes a device will start to fail ALL I/O, and one must restart the 
process (using a dd_rescue logfile can help)

The comment about Disk Utility (Palimpsest) makes me think that the 
problem you're experiencing will not be helped by the freezer bag trick.

The freezer bag trick is mostly useful for moving part problems (stuck 
head, worn bearings, etc.), which doesn't sound like the situation here, 
it sounds more like an issue with reading track data at the beginning of 
the disk.  The biggest problem with this is that condensation takes 
place while the disk is still colder than the surrounding air, and of 
course water is bad for electronics.

I hope this helps..

- Chris

On 02/16/2011 10:58 AM, Howard Schnirman wrote:
> I've been running dd_recue on a notebook sata 160gb drive attached by USB case. dd_rescue has been running for over 24hrs. But I have a feeling that I should halt the program because errs and bad blocks are the same, and the far right says succxfer 0.0K%. So it basically looks like the whole drive is toast and dd_recue is skipping everything.
>
> Can some one confirm for me that this process thus is useless for my drive.
> One more thing Disk Utility in Ubuntu is showing the drive as a 2.2 TB drive.
> Can that be the problem or is there any way to fix this.
>
> I'm close to doing the last resort of the old freezer bag trick I've read some where on line.
>
> Howard
>
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