diff --git a/install/chef.sh b/install/chef.sh
index 0db7b6b3..0dbe9c8e 100755
--- a/install/chef.sh
+++ b/install/chef.sh
@@ -19,7 +19,8 @@ sudo mkdir -p /root/backup/chef
 
 sudo rpm -q chef-server
 if [[ "$?" != "0" ]]; then
-    download $CHEF_SRV chef-server install || exit $?
+    CHEF_SRV_SOURCE=`fastesturl "$CHEF_SRV" "$CHEF_SRV_HUAWEI"`
+    download $CHEF_SRV_SOURCE chef-server install || exit $?
 else
     echo "chef-server has already installed"
 fi
@@ -41,12 +42,13 @@ fi
 
 echo "configure chef client and knife"
 # configure chef client and knife
-rpm -q chef
-if [[ "$?" != "0" ]]; then
-    download $CHEF_CLIENT `basename $CHEF_CLIENT` install || exit $?
+if [[ `rpm -q chef` ]]; then
+    sudo rpm -e `rpm -q chef`
 else
-    echo "chef has already installed"
+    echo "going to install chef client"
 fi
+CENTOS_CHEF_CLIENT_SOURCE=`fastesturl "$CENTOS_CHEF_CLIENT" "$CENTOS_CHEF_CLIENT_HUAWEI"`
+download $CENTOS_CHEF_CLIENT_SOURCE `basename $CENTOS_CHEF_CLIENT_SOURCE` install || exit $?
 
 sudo mkdir -p ~/.chef
 
@@ -71,7 +73,9 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-knife cookbook upload --all --cookbook-path /var/chef/cookbooks
+# Fix after bug 1397309 is fixed by upgrading chef-server
+# work around by reducing concurrency to 1
+knife cookbook upload --all --cookbook-path /var/chef/cookbooks --concurrency 1
 if [[ "$?" != "0" ]]; then
     echo "failed to add cookbooks"
     exit 1
diff --git a/install/cobbler.sh b/install/cobbler.sh
index 99b19b80..f12b9712 100755
--- a/install/cobbler.sh
+++ b/install/cobbler.sh
@@ -235,12 +235,7 @@ fi
 
 # download packages
 cd /var/lib/cobbler/repo_mirror/centos_ppa_repo/
-fastesturl http://mirrors.hustunique.com http://mirror.centos.org
-if [[ "$?" != "0" ]]; then
-    echo "failed to determine the fastest url for downloading centos ppa packages"
-    exit 1
-fi
-read -r PPA_REPO_URL</tmp/url
+PPA_REPO_URL=`fastesturl http://mirrors.hustunique.com http://mirror.centos.org`
 centos_ppa_repo_packages="
 ntp-4.2.6p5-1.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_TYPE,,}.${CENTOS_IMAGE_ARCH}.rpm
 openssh-clients-5.3p1-94.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_ARCH}.rpm
@@ -264,7 +259,8 @@ for f in $centos_ppa_repo_rsyslog_packages; do
 done
 
 # download chef client for centos ppa repo
-download $CENTOS_CHEF_CLIENT `basename $CENTOS_CHEF_CLIENT` copy /var/lib/cobbler/repo_mirror/centos_ppa_repo/
+CENTOS_CHEF_CLIENT_SOURCE=`fastesturl "$CENTOS_CHEF_CLIENT" "$CENTOS_CHEF_CLIENT_HUAWEI"`
+download $CENTOS_CHEF_CLIENT_SOURCE `basename $CENTOS_CHEF_CLIENT_SOURCE` copy /var/lib/cobbler/repo_mirror/centos_ppa_repo/
 
 # create centos repo
 cd ..
@@ -318,7 +314,8 @@ else
 fi
 
 # download chef client for ubuntu ppa repo
-download $UBUNTU_CHEF_CLIENT `basename $UBUNTU_CHEF_CLIENT` copy /var/lib/cobbler/repo_mirror/ubuntu_ppa_repo/ || exit $?
+UBUNTU_CHEF_CLIENT_SOURCE=`fastesturl "$UBUNTU_CHEF_CLIENT" "$UBUNTU_CHEF_CLIENT_HUAWEI"`
+download $UBUNTU_CHEF_CLIENT_SOURCE `basename $UBUNTU_CHEF_CLIENT` copy /var/lib/cobbler/repo_mirror/ubuntu_ppa_repo/ || exit $?
 
 cd ..
 find ubuntu_ppa_repo -name \*.deb -exec reprepro -Vb ubuntu_ppa_repo includedeb ppa {} \;
@@ -339,12 +336,7 @@ fi
 
 # import cobbler distro
 sudo mkdir -p /var/lib/cobbler/iso
-fastesturl $CENTOS_IMAGE_SOURCE_ASIA $CENTOS_SOURCE_MIRROR
-if [[ "$?" != "0" ]]; then
-    echo "failed to determine the fastest source for centos iso"
-    exit 1
-fi
-read -r CENTOS_SOURCE</tmp/url
+CENTOS_SOURCE=`fastesturl $CENTOS_IMAGE_SOURCE_ASIA $CENTOS_IMAGE_SOURCE`
 download "$CENTOS_SOURCE" ${CENTOS_IMAGE_NAME}-${CENTOS_IMAGE_ARCH}.iso copy /var/lib/cobbler/iso/ || exit $?
 sudo mkdir -p /mnt/${CENTOS_IMAGE_NAME}-${CENTOS_IMAGE_ARCH}
 if [ $(mount | grep -c "/mnt/${CENTOS_IMAGE_NAME}-${CENTOS_IMAGE_ARCH} ") -eq 0 ]; then
@@ -359,12 +351,7 @@ else
     echo "/mnt/${CENTOS_IMAGE_NAME}-${CENTOS_IMAGE_ARCH} has already mounted"
 fi
 
-fastesturl $UBUNTU_IMAGE_SOURCE_ASIA $UBUNTU_IMAGE_SOURCE
-if [[ "$?" != "0" ]]; then
-    echo "failed to determine the fastest source for ubuntu iso"
-    exit 1
-fi
-read -r UBUNTU_SOURCE</tmp/url
+UBUNTU_SOURCE=`fastesturl $UBUNTU_IMAGE_SOURCE_ASIA $UBUNTU_IMAGE_SOURCE`
 download "$UBUNTU_SOURCE" ${UBUNTU_IMAGE_NAME}-${UBUNTU_IMAGE_ARCH}.iso copy /var/lib/cobbler/iso/ || exit $?
 sudo mkdir -p /mnt/${UBUNTU_IMAGE_NAME}-${UBUNTU_IMAGE_ARCH}
 if [ $(mount | grep -c "/mnt/${UBUNTU_IMAGE_NAME}-${UBUNTU_IMAGE_ARCH} ") -eq 0 ]; then
diff --git a/install/install.conf b/install/install.conf
index 30c11713..1ecf0c01 100755
--- a/install/install.conf
+++ b/install/install.conf
@@ -67,9 +67,11 @@ export JS_MVC=${JS_MVC:-"javascriptmvc-3.2.4"}
 
 # set the chef packages download path 
 export CHEF_SRV=${CHEF_SRV:-"http://opscode-omnibus-packages.s3.amazonaws.com/${IMAGE_TYPE_OTHER}/${IMAGE_VERSION_MAJOR}/${IMAGE_ARCH}/chef-server-11.0.8-1.${IMAGE_TYPE_OTHER}${IMAGE_VERSION_MAJOR}.${IMAGE_ARCH}.rpm"}
-export CHEF_CLIENT=${CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${IMAGE_TYPE_OTHER}/${IMAGE_VERSION_MAJOR}/${IMAGE_ARCH}/chef-11.8.0-1.${IMAGE_TYPE_OTHER}${IMAGE_VERSION_MAJOR}.${IMAGE_ARCH}.rpm"}
-export CENTOS_CHEF_CLIENT=${CENTOS_CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${CENTOS_IMAGE_TYPE_OTHER}/${CENTOS_IMAGE_VERSION_MAJOR}/${CENTOS_IMAGE_ARCH}/chef-11.8.0-1.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_ARCH}.rpm"}
-export UBUNTU_CHEF_CLIENT=${UBUNTU_CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${UBUNTU_IMAGE_TYPE,,}/${UBUNTU_IMAGE_VERSION}/${UBUNTU_IMAGE_ARCH}/chef_11.8.0-1.${UBUNTU_IMAGE_TYPE,,}.${UBUNTU_IMAGE_VERSION}_${UBUNTU_IMAGE_ARCH_OTHER}.deb"}
+export CHEF_SRV_HUAWEI=${CHEF_SRV_HUAWEI:-"http://huawei-repo.uubright.com/repos/compass/${IMAGE_TYPE_OTHER}/${IMAGE_VERSION_MAJOR}/${IMAGE_ARCH}/chef-server-11.0.8-1.${IMAGE_TYPE_OTHER}${IMAGE_VERSION_MAJOR}.${IMAGE_ARCH}.rpm"}
+export CENTOS_CHEF_CLIENT=${CENTOS_CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${CENTOS_IMAGE_TYPE_OTHER}/${CENTOS_IMAGE_VERSION_MAJOR}/${CENTOS_IMAGE_ARCH}/chef-11.10.4-1.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_ARCH}.rpm"}
+export CENTOS_CHEF_CLIENT_HUAWEI=${CENTOS_CHEF_CLIENT_HUAWEI:-"http://huawei-repo.uubright.com/repos/compass/${CENTOS_IMAGE_TYPE_OTHER}/${CENTOS_IMAGE_VERSION_MAJOR}/${CENTOS_IMAGE_ARCH}/chef-11.10.4-1.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_ARCH}.rpm"}
+export UBUNTU_CHEF_CLIENT=${UBUNTU_CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${UBUNTU_IMAGE_TYPE,,}/${UBUNTU_IMAGE_VERSION}/${UBUNTU_IMAGE_ARCH}/chef_11.10.4-1.${UBUNTU_IMAGE_TYPE,,}.${UBUNTU_IMAGE_VERSION}_${UBUNTU_IMAGE_ARCH_OTHER}.deb"}
+export UBUNTU_CHEF_CLIENT_HUAWEI=${UBUNTU_CHEF_CLIENT_HUAWEI:-"http://huawei-repo.uubright.com/repos/compass/${UBUNTU_IMAGE_TYPE,,}/${UBUNTU_IMAGE_VERSION}/${UBUNTU_IMAGE_ARCH}/chef_11.10.4-1.${UBUNTU_IMAGE_TYPE,,}.${UBUNTU_IMAGE_VERSION}_${UBUNTU_IMAGE_ARCH_OTHER}.deb"}
 # Set Chef password for Chef web UI
 export CHEF_PASSWD=${CHEF_PASSWD:-"root1234"}
 
diff --git a/install/install.conf.template b/install/install.conf.template
index 90ef7c40..68e9f2e9 100755
--- a/install/install.conf.template
+++ b/install/install.conf.template
@@ -34,46 +34,11 @@ export ADAPTERS_SOURCE='http://git.openstack.org/stackforge/compass-adapters'
 # set the default cobbler user "cobbler" password, if not set, the default will be cobbler/cobbler
 export CBLR_USER=cobbler
 export CBLR_PASSWD=cobbler
-
-# IMAGE_SOURCE is where you host your CentOS image
-export IMAGE_TYPE=${IMAGE_TYPE:-"CentOS"}
-export IMAGE_TYPE_OTHER=${IMAGE_TYPE_OTHER:-"el"}
-export IMAGE_VERSION_MAJOR=${IMAGE_VERSION_MAJOR:-"6"}
-export IMAGE_VERSION_MINOR=${IMAGE_VERSION_MINOR:-"5"}
-export IMAGE_VERSION=${IMAGE_VERSION:-"${IMAGE_VERSION_MAJOR}.${IMAGE_VERSION_MINOR}"}
-export IMAGE_NAME=${IMAGE_NAME:-"${IMAGE_TYPE}-${IMAGE_VERSION}"}
-export IMAGE_ARCH=${IMAGE_ARCH:-"x86_64"}
-
-export CENTOS_IMAGE_TYPE=${CENTOS_IMAGE_TYPE:-"CentOS"}
-export CENTOS_IMAGE_TYPE_OTHER=${CENTOS_IMAGE_TYPE_OTHER:-"el"}
-export CENTOS_IMAGE_VERSION_MAJOR=${CENTOS_IMAGE_VERSION_MAJOR:-"6"}
-export CENTOS_IMAGE_VERSION_MINOR=${CENTOS_IMAGE_VERSION_MINOR:-"5"}
-export CENTOS_IMAGE_VERSION=${CENTOS_IMAGE_VERSION:-"${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_VERSION_MINOR}"}
-export CENTOS_IMAGE_NAME=${CENTOS_IMAGE_NAME:-"${CENTOS_IMAGE_TYPE}-${CENTOS_IMAGE_VERSION}"}
-export CENTOS_IMAGE_ARCH=${CENTOS_IMAGE_ARCH:-"x86_64"}
-export CENTOS_IMAGE_SOURCE=${CENTOS_IMAGE_SOURCE:-"http://mirror.rackspace.com/${CENTOS_IMAGE_TYPE,,}/${CENTOS_IMAGE_VERSION}/isos/${CENTOS_IMAGE_ARCH}/${CENTOS_IMAGE_NAME}-${CENTOS_IMAGE_ARCH}-minimal.iso"}
-
-export UBUNTU_IMAGE_TYPE=${UBUNTU_IMAGE_TYPE:-"Ubuntu"}
-export UBUNTU_IMAGE_VERSION_MAJOR=${UBUNTU_IMAGE_VERSION_MAJOR:-"12"}
-export UBUNTU_IMAGE_VERSION_MINOR=${UBUNTU_IMAGE_VERSION_MINOR:-"04"}
-export UBUNTU_IMAGE_PATCH_VERSION=${UBUNTU_IMAGE_PATCH_VERSION:=".4"}
-export UBUNTU_IMAGE_VERSION=${UBUNTU_IMAGE_VERSION:-"${UBUNTU_IMAGE_VERSION_MAJOR}.${UBUNTU_IMAGE_VERSION_MINOR}"}
-export UBUNTU_IMAGE_NAME=${UBUNTU_IMAGE_NAME:-"${UBUNTU_IMAGE_TYPE}-${UBUNTU_IMAGE_VERSION}"}
-export UBUNTU_IMAGE_ARCH=${UBUNTU_IMAGE_ARCH:-"x86_64"}
-export UBUNTU_IMAGE_ARCH_OTHER=${UBUNTU_IMAGE_ARCH_OTHER:-"amd64"}
-export UBUNTU_IMAGE_SOURCE=${UBUNTU_IMAGE_SOURCE:-"http://releases.ubuntu.com/${UBUNTU_IMAGE_VERSION}/${UBUNTU_IMAGE_TYPE,,}-${UBUNTU_IMAGE_VERSION}${UBUNTU_IMAGE_PATCH_VERSION}-server-${UBUNTU_IMAGE_ARCH_OTHER}.iso"}
-
 export COBBLER_PASSWORD=${COBBLER_PASSWORD:-"cobbler"}
 
 # Currently the use of Javascript MVC is set to version 3.2.4
 export JS_MVC=javascriptmvc-3.2.4
 
-# set the chef packages download path 
-export CHEF_SRV=${CHEF_SRV:-"http://opscode-omnibus-packages.s3.amazonaws.com/${IMAGE_TYPE_OTHER}/${IMAGE_VERSION_MAJOR}/${IMAGE_ARCH}/chef-server-11.0.8-1.${IMAGE_TYPE_OTHER}${IMAGE_VERSION_MAJOR}.${IMAGE_ARCH}.rpm"}
-export CHEF_CLIENT=${CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${IMAGE_TYPE_OTHER}/${IMAGE_VERSION_MAJOR}/${IMAGE_ARCH}/chef-11.8.0-1.${IMAGE_TYPE_OTHER}${IMAGE_VERSION_MAJOR}.${IMAGE_ARCH}.rpm"}
-export CENTOS_CHEF_CLIENT=${CENTOS_CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${CENTOS_IMAGE_TYPE_OTHER}/${CENTOS_IMAGE_VERSION_MAJOR}/${CENTOS_IMAGE_ARCH}/chef-11.8.0-1.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_ARCH}.rpm"}
-export UBUNTU_CHEF_CLIENT=${UBUNTU_CHEF_CLIENT:-"http://opscode-omnibus-packages.s3.amazonaws.com/${UBUNTU_IMAGE_TYPE,,}/${UBUNTU_IMAGE_VERSION}/${UBUNTU_IMAGE_ARCH}/chef_11.8.0-1.${UBUNTU_IMAGE_TYPE,,}.${UBUNTU_IMAGE_VERSION}_${UBUNTU_IMAGE_ARCH_OTHER}.deb"}
-
 # Set Chef password for Chef web UI
 export CHEF_PASSWD=root1234
 
diff --git a/install/install_func.sh b/install/install_func.sh
index 08a6eb41..44c30685 100755
--- a/install/install_func.sh
+++ b/install/install_func.sh
@@ -5,17 +5,24 @@ fastesturl()
 {
     shortest=99999
     fastest_url=""
+    good_code=[200,206]
     while [ $1 ]; do
         url=$1
-        time=`curl -o /dev/null --header "Range: bytes=0-20000" -s -w %{time_total} $url`
-        if [ $(echo "$shortest > $time" | bc) -eq 1 ]; then
-            shortest=$time
-            echo "$url" > /tmp/url
-            fastest_url=$url
+        result=($(curl --max-time 20 -o /dev/null --header "Range: bytes=0-20000" -s -w "%{http_code} %{time_total}" $url))
+        code=${result[0]}
+        time=${result[1]}
+        if [[ ${good_code[*]} =~ $code ]]; then
+            if [ $(echo "$shortest > $time" | bc) -eq 1 ]; then
+                shortest=$time
+                fastest_url=$url
+            fi
         fi
         shift
     done
-    echo "$fastest_url is the fastest source, using it"
+    if [[ -z $fastest_url ]]; then
+        exit 1
+    fi
+    echo "$fastest_url"
 }
 
 copy2dir()
diff --git a/install/prepare.sh b/install/prepare.sh
index 7592c008..5a3be80c 100755
--- a/install/prepare.sh
+++ b/install/prepare.sh
@@ -236,12 +236,7 @@ else
 fi
 
 # download cobbler related packages
-fastesturl "http://mirrors.hustunique.com" "http://mirror.centos.org"
-if [[ "$?" != "0" ]]; then
-    echo "failed to determine the fastest source for centos ppa rpms"
-    exit 1
-fi
-read -r CENTOS_PPA_SOURCE</tmp/url
+CENTOS_PPA_SOURCE=`fastesturl "http://mirrors.hustunique.com" "http://mirror.centos.org"`
 centos_ppa_repo_packages="
 ntp-4.2.6p5-1.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_TYPE,,}.${CENTOS_IMAGE_ARCH}.rpm
 openssh-clients-5.3p1-94.${CENTOS_IMAGE_TYPE_OTHER}${CENTOS_IMAGE_VERSION_MAJOR}.${CENTOS_IMAGE_ARCH}.rpm
@@ -265,38 +260,25 @@ for f in $centos_ppa_repo_rsyslog_packages; do
     download http://rpms.adiscon.com/v7-stable/epel-${CENTOS_IMAGE_VERSION_MAJOR}/${CENTOS_IMAGE_ARCH}/RPMS/$f $f || exit $?
 done
 
-download $CHEF_CLIENT `basename $CHEF_CLIENT` || exit $?
-download $CENTOS_CHEF_CLIENT `basename $CENTOS_CHEF_CLIENT` || exit $?
-download $UBUNTU_CHEF_CLIENT `basename $UBUNTU_CHEF_CLIENT` || exit $?
+CENTOS_CHEF_CLIENT_SOURCE=`fastesturl "$CENTOS_CHEF_CLIENT" "$CENTOS_CHEF_CLIENT_HUAWEI"`
+download $CENTOS_CHEF_CLIENT_SOURCE `basename $CENTOS_CHEF_CLIENT_SOURCE` || exit $?
+UBUNTU_CHEF_CLIENT_SOURCE=`fastesturl "$UBUNTU_CHEF_CLIENT" "$UBUNTU_CHEF_CLIENT_HUAWEI"`
+download $UBUNTU_CHEF_CLIENT_SOURCE `basename $UBUNTU_CHEF_CLIENT_SOURCE` || exit $?
 
 # download chef related packages
-download $CHEF_SRV chef-server || exit $?
+CHEF_SRV_SOURCE=`fastesturl "$CHEF_SRV" "$CHEF_SRV_HUAWEI"`
+download $CHEF_SRV_SOURCE chef-server || exit $?
 
 # download os images
-fastesturl $CENTOS_IMAGE_SOURCE $CENTOS_IMAGE_SOURCE_ASIA
-if [[ "$?" != "0" ]]; then
-    echo "failed to determine the fastest source for centos image"
-    exit 1
-fi
-read -r CENTOS_ISO_SOURCE</tmp/url
+CENTOS_ISO_SOURCE=`fastesturl $CENTOS_IMAGE_SOURCE $CENTOS_IMAGE_SOURCE_ASIA`
 download $CENTOS_ISO_SOURCE ${CENTOS_IMAGE_NAME}-${CENTOS_IMAGE_ARCH}.iso || exit $?
 
-fastesturl $UBUNTU_IMAGE_SOURCE $UBUNTU_IMAGE_SOURCE_ASIA
-if [[ "$?" != "0" ]]; then
-    echo "failed to determine the fastest source for ubuntu image"
-    exit 1
-fi
-read -r UBUNTU_ISO_SOURCE</tmp/url
+UBUNTU_ISO_SOURCE=`fastesturl $UBUNTU_IMAGE_SOURCE $UBUNTU_IMAGE_SOURCE_ASIA`
 download $UBUNTU_ISO_SOURCE ${UBUNTU_IMAGE_NAME}-${UBUNTU_IMAGE_ARCH}.iso || exit $?
 
 # download local repo
 if [[ $LOCAL_REPO = "y" ]]; then
-    fastesturl $LOCAL_REPO_US $LOCAL_REPO_HUAWEI
-    if [[ "$?" != "0" ]]; then
-        echo "failed to determine the fastest source for local repo"
-        exit 1
-    fi
-    read -r LOCAL_REPO_SOURCE</tmp/url
+    LOCAL_REPO_SOURCE=`fastesturl $LOCAL_REPO_US $LOCAL_REPO_HUAWEI`
     download $LOCAL_REPO_SOURCE local_repo.tar.gz || exit $?
 fi
 # Install net-snmp