Cant remove /var, in relocating /var to a symbolic link

[jaymax]

I am attempting to relocate /var to avoid files system full issues. 
Using a -
	mkdir /usr/var
	cd /var
	tar cf - . | (cd /usr/var; tar xf - )
	cd /
	rm -rf /var
	ln -s /usr/var /var
approach

at the 
rm -rf /var step, the following was received
	rm: /var/empty: Operation not permitted
	rm: /var/named/dev: Device busy
	rm: /var/named: Directory not empty
	rm: /var: Device busy

Te contents of /var at this site was
	ls /var
	./      ../     empty/  named/
and
	ls /var/empty/
	./      ../
	
	ls -l /var/empty/
	total 4
	dr-xr-xr-x  2 root  wheel  512 Nov  3  2005 ./
	drwxr-xr-x  4 root  wheel  512 Oct  6 14:02 ../

Can't change permissons either
	chmod 755 /var/empty/
	chmod: /var/empty/: Operation not permitted

while 
	ls /var/named/
	./      ../     dev/
	ls -l /var/named/
	total 5
	drwxr-xr-x  3 root  wheel  512 Oct  4 19:46 ./
	drwxr-xr-x  5 root  wheel  512 Oct  6 14:16 ../
	dr-xr-xr-x  4 root  wheel  512 Jan  1  2002 dev/

	ls -l /var/named/dev
	total 0
Could chmod755 but still cant remove, dev, dir empty but => Device busy

How can I remove these two directories so that I can create a link from
/usr/var to /var
-- 
View this message in context: http://www.nabble.com/Cant-remove--var%2C-in-relocating--var-to-a-symbolic-link-tp19847627p19847627.html
Sent from the freebsd-questions mailing list archive at Nabble.com.