Re: How do I save a disk image of my laptop hard drive?

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Author: Mark Phillips
Date:  
To: plug-discuss
CC: George Toft
Subject: Re: How do I save a disk image of my laptop hard drive?
On Friday 06 April 2007 11:42, wrote:

I am glad I checked:

gunzip -c backup.gz | md5sum

yielded:
6b55a48fa7553a5ce5e71439698774be -

whereas,

md5sum /dev/hda

yielded:
493112457580ae24e48021819dd81a8a /dev/hda

The checksums do not match.

Any suggestions? I am not sure what I did wrong.

Mark

> Hi, Mark.
>
> ---- Mark Phillips <> wrote:
> > Could someone help me verify that the entire hard drive was copied?
>
> You can use something like this to check your saved image file:
>
> gunzip -c filename.gz | md5sum
>
> The result should match the result of the volume you mirrored:
>
> md5sum /dev/hda1
>
> Again, hda1 should not be mounted, and should not have been modified at all
> since you did the mirroring. Unless you thought ahead and took the sum
> before you began. :-)
>
> There are various refinements in the use of md5sum, but I think what I
> presented would suffice.
>
> Vic
>
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--
Mark Phillips

602 524-0376 cell
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