SYSVMS=(s_master s_remote s_console)
i=1
for vm in "${SYSVMS[@]}"; do
- GEN_FILES[$i] = "$vm"
- i=$((i + 1)
+ GEN_FILES[$i]="/etc/xen/sysvms/$vm"
+ i=$((i + 1))
done
dpkg -s "$PACKAGE" >/dev/null 2>/dev/null || exit 0
fi
if lvchange -a n "$DISK" >/dev/null 2>&1 && lvchange -a ey "$DISK" >/dev/null 2>&1; then
- # If we can lock on the VM's disk, then the VM isn't running
+ # If we can disable and then re-enable the VMs disk, then the
+ # VM can't be running. If the lvchange -a ey succeeds, then we
+ # have an exclusive lock across the cluster on enabling the
+ # disk, which avoids the potential race condition of two hosts
+ # starting a VM at the same time
[ "$VERBOSE" != no ] && log_daemon_msg "Starting sysvm $VM"
xm create "sysvms/$VM" >/dev/null
[ "$VERBOSE" != no ] && log_end_msg $?