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recover more blocks using 'raw' devices
Authored by: krishna on Jan 08, '06 10:45:07PM

I just finished recovering (under a linux box I set up to be dedicated for the recovery operation) a fat32 partition that was giving me errors on what appeared to be multiple blocks. Then I followed 'info ddrescue' 's information on setting up a raw device and retrying the recovery, it came down to a single 512-byte sector (!) that was bad and producing multiple block errors.

So if I can find which file that block belongs to, I have my whole partition back. While ddrescue's not a linux-specific tool, that valuable 'raw' information in the documentation is definitely linux-specific; so I wouldn't say I wouldn't say ddrescue has *nothing* to do with Linux, since it definitely seems to be the chosen platform for testing. Of course, information on raw devices under macosx would be awesome to have.

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recover more blocks using 'raw' devices
Authored by: Detrius on Jun 30, '10 10:03:48AM

On OS X, raw disks are:


Block devices are:


If you use rdisk, ddrescue will pull the data MUCH more quickly--of course, depending on the state of the drive.

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