Best way to copy /usr to different partition?
Chris G
cl at isbd.net
Fri Dec 7 12:09:59 UTC 2007
On Thu, Dec 06, 2007 at 07:31:28PM -0800, Daniel B. Thurman wrote:
>
> I was getting dangerously close to running out of disk space
> since /usr was filling up fast.
>
> I thought it was simple to tar-copy /usr to a different drive/partiton
> using tar copy such as:
>
> (cd /usr; tar cpf - .) | (cd /newpartition; tar xpf -)
>
> I tar copied the contents of /usr into my new drive/partition
> and I changed the partition label to /usr, updated my
> /etc/fstab file, renamed my /usr to /usr-b, created
> an empty directory /usr, chmod it to 775, mounted
> /usr - and it all looked fine. I then unmounted /usr,
> and then rebooted.
>
> The reboot reported that there was a problem with
> the two library files: somelibfile.so.1 and somelibfile.so.2
> and then gnome came up with user/password screen.
>
> I logged in as a normal user, and after that point, I a
> black screen came up with the gnome-X-cursor and
> then stopped. Nothing worked at this point.
>
> I then rebooted using rescue CD, and examined the
> messages log file and it appears that selinux reported
> all sorts of AVC denied over /usr and other non-system
> mounted filesystems.
>
> Clearly, it seems that selinux is having problems.
>
> I suppose I can reboot setting the selinux = 0 and then
> begin the task of somehow repairing selinux tags in all
> of my files? Does this make any sense?
>
> Anyone have a better solution?
>
Personally I'd try 'cp -R', that's supposed to handle most
things OK.
--
Chris Green
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