3 # Provides: invirt-xen-config
4 # Required-Start: $local_fs $remote_fs
5 # Required-Stop: $local_fs $remote_fs
6 # Default-Start: 2 3 4 5
8 # Short-Description: Startup script for the Invirt Xen host
12 PACKAGE=invirt-xen-config
14 DESC="Invirt Xen host"
16 SYSVMS=(s_master s_remote s_console)
17 GEN_FILES=(/etc/xen/xend-config.sxp.invirt "${SYSVMS[@]/#//etc/xen/sysvms/}")
19 dpkg -s "$PACKAGE" >/dev/null 2>/dev/null || exit 0
21 . /lib/init/gen-files.sh
22 . /lib/init/std-init.sh
25 # Attempt to start a sysvm, but only if it's not running already
26 # somewhere on the cluster
29 DISK="/dev/xenvg/${VM}_hda"
31 # Don't bother trying to start the VM if it's already running
32 if xm list "$1" >/dev/null 2>&1; then
36 if lvchange -a n "$DISK" >/dev/null 2>&1 && lvchange -a ey "$DISK" >/dev/null 2>&1; then
37 # If we can disable and then re-enable the VMs disk, then the
38 # VM can't be running. If the lvchange -a ey succeeds, then we
39 # have an exclusive lock across the cluster on enabling the
40 # disk, which avoids the potential race condition of two hosts
41 # starting a VM at the same time
42 [ "$VERBOSE" != no ] && log_daemon_msg "Starting sysvm $VM"
43 xm create "sysvms/$VM" >/dev/null
44 [ "$VERBOSE" != no ] && log_end_msg $?
50 # Regardless of whether we could get the lock or not, the
51 # lvchange -a n probably disabled the LV somewhere; be sure we
53 lvchange -a y "$DISK" >/dev/null 2>&1
61 for vm in "${SYSVMS[@]}"; do
65 echo 1 >/proc/sys/net/ipv4/ip_forward
66 for i in all default; do
67 echo 1 >/proc/sys/net/ipv4/conf/$i/rp_filter
68 echo 1 >/proc/sys/net/ipv4/conf/$i/proxy_arp
71 invoke-rc.d "$PARENTPACKAGE" "$1"
83 invoke-rc.d "$PARENTPACKAGE" stop