From:  William Pretty Security <[email protected]>
Reply-To:  "[email protected]" <[email protected]>
Date:  Saturday, August 2, 2014 at 1:09 PM
To:  "[email protected]" <[email protected]>
Subject:  RE: [beagleboard] 6GB image of 8GB uSD card?

> Thanks Dave;
>  
> Sounds like I need to read up a bit on OEDD¹ .
> I assume that is what you were talking about ?
DD is a very powerful tool and it is one that you should take the time to
learn. There is also ddrescue (apt-get install gddrescue) which does the
same thing as DD, but works well when the source is unreliable.

Regards,
John
>  
> Bill
>  
> "No one could make a greater mistake than he who did nothing because he could
> do only a little."
> "All that is necessary for the triumph of evil is that good men do nothing"
> Edmond Burke (1729 - 1797)
> http://www.packtpub.com/building-a-home-security-system-with-beaglebone/book
>  
> 
> From: [email protected] [mailto:[email protected]] On
> Behalf Of Dave Hylands
> Sent: Saturday, August 02, 2014 2:03 PM
> To: [email protected]
> Subject: Re: [beagleboard] 6GB image of 8GB uSD card?
>  
> 
> Hi Bill,
> 
> 
> On Sat, Aug 2, 2014 at 10:39 AM, William Pretty Security
> <[email protected]> wrote:
>> > Hello all;
>> >
>> > I have an 8GB uSD card with an ~6GB file system on it (boot +rootfs).
>> > What I want to do is just image the 6GB portion that is actually formatted
>> and used.
>> >
>> > I tried the windows tool and it didn¹t work. It imaged the entire disk.
>> > Is there a switch in Linux ³DD² or some other way to image just the 6GB
>> portion of the card ?
> 
> In linux, there is a block device for the entire disk, and then there will be
> a block device for each partition.
> 
> So if you were using /dev/sdc for the entire device, the normal convention is
> that /dev/sdc1 would reference the first partition and /dev/sdc2 would
> referece the second partition.
> 
> The name of your device will depend on exact dsitribution of Linux being used
> and whether the sdcard reader is a USB device or directly connected.
> 
> I'm always super parinoid when using those level of commands, because it's
> really easy to mistype and enter the name of your system hard drive.
> 
> 
> --
> Dave Hylands
> Shuswap, BC, Canada
> http://www.davehylands.com
> -- 
> For more options, visit http://beagleboard.org/discuss
> --- 
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> For more options, visit https://groups.google.com/d/optout.
> 
> 
> No virus found in this message.
> Checked by AVG - www.avg.com <http://www.avg.com>
> Version: 2014.0.4716 / Virus Database: 3986/7967 - Release Date: 08/02/14
> 
> 
> No virus found in this message.
> Checked by AVG - www.avg.com <http://www.avg.com>
> Version: 2014.0.4716 / Virus Database: 3986/7863 - Release Date: 07/16/14
> Internal Virus Database is out of date.
> -- 
> For more options, visit http://beagleboard.org/discuss
> --- 
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to