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## RHEL zVM installs do not properly reboot into the installed system. This
## issue has been resolved in RHEL-5 Update3. To get a consistent reboot
## behavior for s390* installs on all distros, this snippet can be used. The
## snippet will attempt to discover the IPL volume zipl is being installed
## to and will attempt a reipl. Be sure to set this snippet as the *last*
## snippet your kickstart template.
#if $arch.startswith("s390"):
%post --nochroot
# Does the kickstart file request a reboot?
grep -q "^reboot" /tmp/ks.cfg /ks.cfg 2>/dev/null
if [ \$? -ne 0 ]; then
exit 0
fi
# find out the location of /boot and use it to re-ipl
boot_dev=""
for mountpt in /mnt/sysimage/boot /mnt/sysimage;
do
set -- \$(grep " \$mountpt " /proc/mounts)
if [ -b "\$1" ]; then
boot_dev=\$1
break
fi
done
# lookup dasd disk
if [[ \$boot_dev == *dasd* ]]; then
# remove the '/dev/' (aka basename)
boot_dev=\${boot_dev\#\#/[^/]*/}
# strip partition number from dasd device
boot_dev=\${boot_dev%%[0-9]}
type="ccw"
id=`basename \$(readlink /sys/block/\$boot_dev/device)`
# HACK - In RHEL4 and RHEL3 ... we do it the hard way
grep -q "^[34]\$" /.buildstamp 2>/dev/null
if [ \$? -eq 0 ]; then
cat <<EOF> /mnt/sysimage/tmp/zeboot.sh
\#!/bin/bash
/sbin/modprobe -r vmcp
rm -f "/dev/vmcp"
sleep 2
[ -b "/dev/vmcp" ] || /bin/mknod /dev/vmcp c 10 61
/sbin/modprobe -a vmcp
sync
# Force a boot (e.g. IPL 0100)
/sbin/vmcp ipl \${id\#\#*.}
EOF
/bin/chmod +x /mnt/sysimage/tmp/zeboot.sh
/bin/chroot /mnt/sysimage /tmp/zeboot.sh
# In RHEL5 ... lets cleanly shutdown (Update 3 and newer)
else
echo \$type > /sys/firmware/reipl/reipl_type
echo \$id > /sys/firmware/reipl/\$type/device
# Force a reboot
pid=\$(cat /var/run/init.pid)
[ -z "\$pid" ] && pid=\$(pidof init)
kill -12 \$pid
pid=\$(cat /var/run/loader.run)
[ -z "\$pid" ] && pid=\$(pidof loader)
kill \$pid
fi
fi
#end if
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