[olug] using dd to clone a drive

[Jay Bendon]

The copy will complete.  Those read errors will turn into block errors on
the destination disk.  It will complete but data may not be available
depending on the number of errors.

--Jay

On Sun, Apr 17, 2016 at 8:43 PM, Tom Williamson <twilliam at inebraska.com>
wrote:

> I tried to use dd to clone a 1 GB drive to another 1 GB drive. I had been
> getting warnings of "many bad sectors" on the one I was trying to copy
> from. When I ran the command, there was no error message, but I could not
> tell if anything was happening. How long should this process take? Will the
> bad sectors prevent the copying from being able to complete the process? I
> did see some conditional commands about errors, but I was not sure if this
> would do what is needed to clone the image.
>
> I am using a live disk with ubuntu 14.04, to execute the process in a
> terminal. This is a 32bit machine that I am working on and the first try
> did not show that anything was done after 10 to 12 hours. I started in the
> early evening an let it run over night.
>
> Any ideas and information would be appreciated.
>
> Thanks
>
> Tom Williamson
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