On Monday 08 April 2002 12:04 am, Kenny Simpson wrote:
<snip>
>
> This gets the system up and running just fine, but for
> some reason /oldroot will not unmount. It says it is
> still in use. Any ideas?
>
Kenny,
Ask and ye shall receive.
The reason is that the dhclient script has the leases file open. I ran across
the same issue while developing the rc.local script for the Power Mac
project. I rearranged the order in which things were done in order to
copy the old leases file to the /tmp filesystem, but you may be able to
simply kill the dhclient process and restart it on the new filesystem.
The excerpt from my rc.local script is attached.
Hope this helps!
--Skip
#========================================================
#
# we need to kill dhclient before we can free the RAMDRIVE
#
PID=`ps -ae|grep dhclient|head -n 1 -|cut -c 1-5`
kill -9 $PID
#
# We have two ramdisks now. we need to copy the lease imfo from the old
# RAMDRIVE to the new one, so we can free up the old one.
#
mkdir /tmp/compiled
mkdir /tmp/var
mkdir /tmp/var/run
mkdir /tmp/var/state
mkdir /tmp/var/state/dhcp
mkdir /tmp/var/log
mkdir /tmp/var/lock
mkdir /tmp/var/lock/subsys
mkdir /tmp/var/lib
mkdir /tmp/var/lib/xkb
mkdir /tmp/mnt
cp /oldroot/var/state/dhcp/dhclient.leases /tmp/var/state/dhcp
umount /oldroot
# Following command should be on one line!
dhclient -sf /etc/dhclient-script -cf /etc/dhclient.conf -lf
/tmp/var/state/dhcp/dhclient.leases eth0 1>/tmp/junk 2>&1
#==========================================================
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