-Attempt to repair BoMC DNS if messed up after pivot root

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6817 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/share/xcat/tools/mktoolscenter

@@ -383,6 +383,7 @@ if [ -z "${xcat_server}" ]; then
 fi
 
 if [ "$1" != "serial-on" ]; then #if this terminal is a fake, don't use it, awkward structure, but oh well
+    if [ ! -f /etc/resolv.conf ]; then cp /initrd/etc/resolv.conf /etc/resolv.conf; fi
     # setup a mount point
     mkdir -p /bomc
     MNTPOINT=/bomc