dd and cp -a

Bob Chiodini rchiodin at bellsouth.net
Wed Aug 29 23:55:02 UTC 2007


Karl Larsen wrote:
>    I have this computer on /dev/sda and the new hard drive is 
> /dev/sdb. This F7 is all in /dev/sda6 and I want to copy /dev/sda6 to 
> /dev/sdb5. I tried dd but it failed I think because /dev/sdb5 is 
> smaller 10 GB than  /dev/sda6 which is 30 GB. It ended with an error 
> message.
>
>    So back to cp -a but there is a hitch. I redid /sdb5 with another 
> ext3 file system and I can mount it to /mnt on this computer. So it is 
> easy to cp all from /dev/sda6 to /dev/sdb5 but, with a simple # cp -a 
> / /mnt it will do all that fine but then want to copy /mnt to the new 
> /dev/sdb5.
>
>    Does anyone know a secret that will work? I will read man cp again :-)
>
>
>
Karl,

cp -ax, maybe.  the man file for cp says:

-x, --one-file-system
              stay on this file system

Bob...




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