diff --git a/xCAT-server/share/xcat/install/scripts/post.sles11.iscsi b/xCAT-server/share/xcat/install/scripts/post.sles11.iscsi
index 473c37bcc..0782a0105 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles11.iscsi
+++ b/xCAT-server/share/xcat/install/scripts/post.sles11.iscsi
@@ -28,6 +28,10 @@ echo $HOSTNAME
 export MASTER_IP=#XCATVAR:XCATMASTER#
 export MASTER_IPS=#XCATVAR:XCATMASTER#
 export MASTER="#XCATVAR:XCATMASTER#"
+export INSTALLDIR=#TABLE:site:key=installdir:value#
+if [ -z "$INSTALLDIR" ]; then
+    INSTALLDIR="/install"
+fi
 
 # for servicenode, add /install to /etc/fstab
 echo "$MASTER:/install  /install    nfs timeo=14,intr   1 2" >>/etc/fstab
diff --git a/xCAT-server/share/xcat/install/scripts/post.sles11.raid1 b/xCAT-server/share/xcat/install/scripts/post.sles11.raid1
index 7988d0082..d8ef5ecc6 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles11.raid1
+++ b/xCAT-server/share/xcat/install/scripts/post.sles11.raid1
@@ -54,6 +54,10 @@ echo $HOSTNAME
 export MASTER_IP=#XCATVAR:XCATMASTER#
 export MASTER_IPS=#XCATVAR:XCATMASTER#
 export MASTER="#XCATVAR:XCATMASTER#"
+export INSTALLDIR=#TABLE:site:key=installdir:value#
+if [ -z "$INSTALLDIR" ]; then
+    INSTALLDIR="/install"
+fi
 
 #
 #  This script has not yet been updated to work with service nodes