That is combining both options together - sort of. It is creating a dd image like you first did, but compressing it. If your dd image didn't work in the first place, it will just compress the broken image.


From: William Pretty Security Inc [mailto:bill.pretty@xplornet.com]
Sent: Tuesday, 28 February 2012 12:25 PM
To: 'General mailing list for gumstix users.'
Subject: Re: [Gumstix-users] How to 'tar" /dev/sdb2 ? <solution>

I may have found a solution:

 

http://wiki.gumstix.org/index.php?title=MicroSd

 

dd if=/dev/sourcecard bs=1M | gzip -c > somefile.gz

gunzip -c somefile.gz | dd of=/dev/destcard bs=1M

 

Bill

 

"People sleep peaceably in their beds at night only because rough men

stand ready to do violence on their behalf." - George Orwell

 

From: Chris Crews [mailto:christopher.crews07@gmail.com]
Sent: Monday, February 27, 2012 8:40 PM
To: General mailing list for gumstix users.
Subject: Re: [Gumstix-users] How to 'tar" /dev/sdb2 ?

 

mkdir /media/rootfspart

mount /dev/sdb2 /media/rootfspart

cd /media/rootfspart

tar -czvf /<path_to_where_you_want_the_tarball>/rootfs.tar.gz *

 

Chris

On Mon, Feb 27, 2012 at 7:24 PM, William Pretty Security Inc <bill.pretty@xplornet.com> wrote:

Hi All;

I am hoping someone out there can help.
This is probably a really BASIC Linux question so I apologize :-)

I am trying to create a backup of the root file system of my uSD card.
I tried to "dd" the whole card and it didn't copy all the files properly
so I am settling for the rootfs partition.

What I want to do is 'tar' all of /dev/sdb2 ...

I tried tar and bzip2. Neither seem to work.
I tried using the file manager GUI from Ubuntu, but it didn't copy the files

correctly either.

There must be a way to do this?

Thanks;

Bill

"Amat victoria curam "




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