Folks,
I'm working with running a Mac PowerPC as an LTSP client. On the Mac, the
initrd needs to be a tad bigger (8 MB) than it does for the i386 client.
Because I'm also dealing with memory-challenged Macs (40 MB) freeing the
ramdrive was important.
The code in the current rc.local script fails to release the drive, and the
reason is that the dhclient process has a file open on the drive. I'm not an
expert, so perhaps this is just an anomaly of running the client on a PPC.
To release the drive, one needs to kill the dhclient before unmounting the
initrd, and then restart the dhclient process on the new filesystem.
Here's one way to accomplish this:
[/opt/ltsp/ppc/etc/rc.local]
...
# Start of FIX
# This occurs after we have initialised the local /tmp RAMDRIVE
# Get the PID of the dhclient process
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 -p /tmp/var/state/dhcp
cp /oldroot/var/state/dhcp/dhclient.leases /tmp/var/state/dhcp
umount /oldroot
dhclient -sf /etc/dhclient-script \
-cf /etc/dhclient.conf \
-lf /tmp/var/state/dhcp/dhclient.leases eth0 1>/tmp/junk 2>&1
# End of FIX
pr_set 70 "Setting Hostname"
This also should address the issue of the dhclient not renewing the lease
properly.
Thanks,
Skip
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