diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
index 9d1311e7b..c82b55be7 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
@@ -46,8 +46,6 @@ cmd:/opt/xcat/share/xcat/tools/autotest/testcase/commoncmd/retry_install.sh  $$C
 check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 cmd:if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 20;((a++));if [ $a -gt 300 ];then break;fi done
 cmd:ping $$CN -c 3
 check:rc==0
 check:output=~64 bytes from $$CN
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
index ba1184b2f..cd76021a0 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
@@ -53,8 +53,6 @@ cmd:if [[ "__GETNODEATTR($$CN,arch)__" =~ "ppc" ]]; then sleep 120;elif [[ "__GE
 #check:rc==0
 #check:output!~booted
 
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 60;((a++));if [ $a -gt 50 ];then break;fi done
-
 cmd:ping $$CN -c 3
 check:rc==0
 check:output=~64 bytes from $$CN
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
index b07ed2f83..4ac192916 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
@@ -50,8 +50,6 @@ check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 
 cmd:if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 10;((a++));if [ $a -gt 60 ];then break;fi done
 
 cmd:ping $$CN -c 3
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
index 2b8252786..12b3c6167 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
@@ -54,8 +54,6 @@ check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 
 cmd:xdsh $$SN "if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi"
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 10;((a++));if [ $a -gt 60 ];then break;fi done
 
 cmd:ping $$CN -c 3
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
index 5fef777be..f3900601b 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_flat
@@ -51,6 +51,8 @@ check:rc==0
 cmd:rootimgdir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir ]; then mv $rootimgdir $rootimgdir.regbak;fi
 check:rc==0
 
+cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute rootfstype=nfs
+check:rc==0
 cmd:genimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
 check:rc==0
 cmd:liteimg  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-statelite-compute
@@ -61,9 +63,6 @@ check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 
 cmd:if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 10;((a++));if [ $a -gt 60 ];then break;fi done
-
 cmd:ping $$CN -c 3
 check:rc==0
 check:output=~64 bytes from $$CN
@@ -99,8 +98,6 @@ check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 
 cmd:if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 10;((a++));if [ $a -gt 60 ];then break;fi done
 
 cmd:ping $$CN -c 3
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
index e7520a355..049f802e7 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_nfs
@@ -80,8 +80,6 @@ check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 
 cmd:xdsh $$SN "if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi"
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 10;((a++));if [ $a -gt 60 ];then break;fi done
 
 cmd:ping $$CN -c 3
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk
index 6ad6160c4..f9e6fbd32 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_statelite_installation_hierarchy_by_ramdisk
@@ -74,8 +74,6 @@ check:rc==0
 check:output=~Provision node\(s\)\: $$CN
 
 cmd:xdsh $$SN "if [[ -f /var/lib/dhcp/db/dhcpd.leases ]]; then cat /var/lib/dhcp/db/dhcpd.leases; elif [[ -f /var/lib/dhcpd/dhcpd.leases ]];then cat /var/lib/dhcpd/dhcpd.leases;elif [[ -f /var/lib/dhcp/dhcpd.leases ]];then cat /var/lib/dhcp/dhcpd.leases; fi"
-cmd:sleep 300
-cmd:a=0;while ! `lsdef -l $$CN|grep status|grep booted >/dev/null`; do sleep 10;((a++));if [ $a -gt 60 ];then break;fi done
 
 cmd:ping $$CN -c 3
 check:rc==0