🚀 go-pugleaf

ken@syd.dit.CSIRO.AU (Ken Yap) wrote:
>|>I want to move the /usr to another partition, how can I do it?
>|>I've already prepare the partition for /usr but I don't know
>|>how to do then.
>|
>|You need to duplicate your entire /usr tree onto the new drive.
>|
>|First, amount the new drive into some convenient location, such as
>|/mnt:
>|
>|  mount -t <type> /dev/?d?? /mnt
>|
>|Then do the following to completely duplicate the directory tree:
>|
>|(cd /usr; tar cf - . ) | (cd /mnt; tar xvf -)
>|
>|The effect is to run tar twice in a pipe, the sending end creating
>|an archive into the pipe starting at /usr, and the receiver grabbing
>|data from the pipe and unpacking it into /mnt.

>That's excellent advice and I would add this:

>(cd /usr; tar cf - . ) | (cd /mnt; tar xvpf -)

>The p flag says retain original mode of the files.  Otherwise you get
>whatever mode results from the current umask.

>I've also read that cp -A (GNU cp) or something like that will also do
>the job but never tried it myself.

The normal way I do this on Sys V type systems is

$ cd /usr; find . -depth -print | cpio -pdmuv /mnt

Don't ask me if it's better than using tar. The PERL adage applies:
"There's more than one way to do it!"

Regards,

Mike.