diff --git a/tests/script/unique/cluster/cluster_main0.sim b/tests/script/unique/cluster/cluster_main0.sim
new file mode 100644
index 0000000000000000000000000000000000000000..f3cce9fd45f90d2d00c509dc1f7f14d2f52278a4
--- /dev/null
+++ b/tests/script/unique/cluster/cluster_main0.sim
@@ -0,0 +1,288 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/deploy.sh -n dnode3 -i 3
+system sh/deploy.sh -n dnode4 -i 4
+system sh/deploy.sh -n dnode5 -i 5
+
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode5 -c numOfMnodes -v 3
+
+system sh/cfg.sh -n dnode1 -c walLevel -v 1
+system sh/cfg.sh -n dnode2 -c walLevel -v 1
+system sh/cfg.sh -n dnode3 -c walLevel -v 1
+system sh/cfg.sh -n dnode4 -c walLevel -v 1
+system sh/cfg.sh -n dnode5 -c walLevel -v 1
+
+system sh/cfg.sh -n dnode1 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode2 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode3 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode4 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode5 -c balanceInterval -v 10
+
+system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode5 -c numOfTotalVnodes -v 256
+
+system sh/cfg.sh -n dnode1 -c alternativeRole -v 0
+system sh/cfg.sh -n dnode2 -c alternativeRole -v 0
+system sh/cfg.sh -n dnode3 -c alternativeRole -v 0
+system sh/cfg.sh -n dnode4 -c alternativeRole -v 0
+system sh/cfg.sh -n dnode5 -c alternativeRole -v 0
+
+system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 5000
+
+system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode5 -c arbitrator -v $arbitrator
+
+print ============== step0: start tarbitrator
+system sh/exec_tarbitrator.sh -s start
+
+print ============== step1: start dnode1/dnode2/dnode3
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+sleep 3000
+sql connect
+sql create dnode $hostname2
+sql create dnode $hostname3
+sleep 3000
+
+print ============== step2: create db1 with replica 3
+$db = db1
+print create database $db replica 3
+#sql create database $db replica 3 maxTables $totalTableNum
+sql create database $db replica 3
+sql use $db
+
+print ============== step3: create stable stb1
+$stb = stb1
+print create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(16))
+sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(16))
+
+print ============== step4: start others client
+run_back unique/cluster/client1_0.sim
+run_back unique/cluster/client1_1.sim
+run_back unique/cluster/client1_2.sim
+run_back unique/cluster/client1_3.sim
+#run_back unique/cluster/client2_0.sim
+#run_back unique/cluster/client2_1.sim
+#run_back unique/cluster/client2_2.sim
+#run_back unique/cluster/client2_3.sim
+#run_back unique/cluster/client3.sim
+#run_back unique/cluster/client4.sim
+
+sleep 20000
+
+wait_subsim_insert_complete_create_tables:
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+if $data00 < 1000 then
+  sleep 3000
+  goto wait_subsim_insert_complete_create_tables
+endi
+
+wait_subsim_insert_data:
+print select count(*) from $stb
+sql select count(*) from $stb
+print data00 $data00
+if $data00 < 1000 then
+  sleep 3000
+  goto wait_subsim_insert_data
+endi
+
+print wait for a while to let clients start insert data
+sleep 5000    
+
+$loop_cnt = 0
+loop_cluster_do:
+print **** **** **** START loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
+print ============== step5: start dnode4/dnode5 and add into cluster, then wait ready
+system sh/exec.sh -n dnode4 -s start
+system sh/exec.sh -n dnode5 -s start
+sql create dnode $hostname4
+sql create dnode $hostname5
+
+sleep 5000
+
+
+print ============== step6: stop dnode1
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 10000
+#sql drop dnode $hostname1
+#sleep 5000
+#system rm -rf ../../../sim/dnode1/data
+#sleep 20000
+print ============== step6-1: restart dnode1
+system sh/exec.sh -n dnode1 -s start
+sleep 10000
+
+sql show mnodes
+print show mnodes
+print rows: $rows
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+
+print ============== step7: stop dnode2 
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+sleep 5000
+
+sql show mnodes
+print show mnodes
+print rows: $rows
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+
+print ============== step8: restart dnode2, then wait sync end
+system sh/exec.sh -n dnode2 -s start
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+
+print ============== step9: stop dnode3, then wait sync end
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+
+print ============== step10: restart dnode3, then wait sync end
+system sh/exec.sh -n dnode3 -s start
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+
+print ============== step11: stop dnode4, then wait sync end
+system sh/exec.sh -n dnode4 -s stop -x SIGINT
+sleep 20000
+
+print ============== step12: restart dnode4, then wait sync end
+system sh/exec.sh -n dnode4 -s start
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+
+print ============== step13: alter replica 2
+sql alter database $db replica 2
+sql show databases
+print $data00  $data01  $data02  $data03  $data04  $data05  $data06  $data07   $data08  $data09 
+
+if $data04 != 2 then
+  print rplica is not modify to 2, error!!!!!!
+  return -1
+endi
+
+print ============== step14: stop and drop dnode4/dnode5, then remove data dir of dnode4/dnode5 
+system sh/exec.sh -n dnode4 -s stop -x SIGINT
+system sh/exec.sh -n dnode5 -s stop -x SIGINT
+sleep 3000
+sql drop dnode $hostname4
+sql drop dnode $hostname5
+system rm -rf ../../../sim/dnode4/data
+system rm -rf ../../../sim/dnode5/data
+sleep 20000
+
+print ============== step15: alter replica 1
+sql alter database $db replica 1
+sql show databases
+print $data00  $data01  $data02  $data03  $data04  $data05  $data06  $data07   $data08  $data09
+if $data04 != 1 then
+  print rplica is not modify to 1, error!!!!!!
+  return -1
+endi
+
+print ============== step16: alter replica 2
+sql alter database $db replica 2
+sql show databases
+print $data00  $data01  $data02  $data03  $data04  $data05  $data06  $data07   $data08  $data09
+if $data04 != 2 then
+  print rplica is not modify to 2, error!!!!!!
+  return -1
+endi
+
+#print ============== step17: start dnode1 and add into cluster, then wait dnode1 ready
+#system sh/cfg.sh -n dnode1 -c first -v $hostname2
+#system sh/cfg.sh -n dnode1 -c second -v $hostname3
+#
+#system sh/exec.sh -n dnode1 -s start
+#sql create dnode $hostname1
+#sleep 20000
+
+print ============== step18: alter replica 3
+sql alter database $db replica 3
+sql show databases
+print $data00  $data01  $data02  $data03  $data04  $data05  $data06  $data07   $data08  $data09
+if $data04 != 3 then
+  print rplica is not modify to 3, error!!!!!!
+  return -1
+endi
+
+print **** **** **** (loop_cnt: $loop_cnt ) end, continue...... **** **** **** ****
+$loop_cnt = $loop_cnt + 1
+goto loop_cluster_do
diff --git a/tests/script/unique/cluster/main1_client4.sim b/tests/script/unique/cluster/main1_client4.sim
new file mode 100644
index 0000000000000000000000000000000000000000..eb8049b04beafa2c8a909deae83b26d83d12245d
--- /dev/null
+++ b/tests/script/unique/cluster/main1_client4.sim
@@ -0,0 +1,127 @@
+$tblStart = 0
+$tblEnd = 10000
+$tsStart = 1325347200000  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db2
+$stb = stb2
+
+loop_lable:
+print ========= start loop create db, table, inset data, alter column/tag, select, drop db
+
+sql create database if not exists $db
+sql use $db
+sql create table if not exists $stb ( ts timestamp, c1 int, c2 float ) tags ( t1 int , t2 binary(16) )
+$tagBinary = ' . client4
+$tagBinary = $tagBinary . '
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  sql create table if not exists  $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x , $x ) ( $ts + 2a , $x , $x ) ( $ts + 4a , $x , $x ) ( $ts + 6a , $x , $x ) ( $ts + 8a , $x , $x ) ( $ts + 10a , $x , $x ) ( $ts + 12a , $x , $x ) ( $ts + 14a , $x , $x ) ( $ts + 16a , $x , $x ) ( $ts + 18a , $x , $x ) ( $ts + 20a , $x , $x ) ( $ts + 22a , $x , $x ) ( $ts + 24a , $x , $x ) ( $ts + 26a , $x , $x ) ( $ts + 28a , $x , $x ) ( $ts + 30a , $x , $x ) ( $ts + 32a , $x , $x ) ( $ts + 34a , $x , $x ) ( $ts + 36a , $x , $x ) ( $ts + 38a , $x , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb -x continue_loop
+    print data00 $data00 totalRows $totalRows
+    if $data00 != $totalRows then
+	    print **********************  select error **********************
+    endi
+    continue_loop:
+    print ====================== client4  insert data complete once ............
+  endi
+endw 
+
+##################### alter column
+sql alter table $stb add column c3 double
+sql alter table $stb drop column c2
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x , $x ) ( $ts + 2a , $x , $x ) ( $ts + 4a , $x , $x ) ( $ts + 6a , $x , $x ) ( $ts + 8a , $x , $x ) ( $ts + 10a , $x , $x ) ( $ts + 12a , $x , $x ) ( $ts + 14a , $x , $x ) ( $ts + 16a , $x , $x ) ( $ts + 18a , $x , $x ) ( $ts + 20a , $x , $x ) ( $ts + 22a , $x , $x ) ( $ts + 24a , $x , $x ) ( $ts + 26a , $x , $x ) ( $ts + 28a , $x , $x ) ( $ts + 30a , $x , $x ) ( $ts + 32a , $x , $x ) ( $ts + 34a , $x , $x ) ( $ts + 36a , $x , $x ) ( $ts + 38a , $x , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb -x continue_loop
+    print data00 $data00 totalRows $totalRows
+    if $data00 != $totalRows then
+	    print **********************  select error **********************
+    endi
+    continue_loop:
+    print ====================== client4  insert data complete once ............
+  endi
+endw 
+
+
+##################### alter tag
+sql alter table $stb add tag t3 int
+sql alter table $stb drop tag t2
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = ttb . $i
+  sql create table if not exists  $tb using $stb tags ($i, $i)
+  $i = $i + 1
+endw 
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x , $x ) ( $ts + 2a , $x , $x ) ( $ts + 4a , $x , $x ) ( $ts + 6a , $x , $x ) ( $ts + 8a , $x , $x ) ( $ts + 10a , $x , $x ) ( $ts + 12a , $x , $x ) ( $ts + 14a , $x , $x ) ( $ts + 16a , $x , $x ) ( $ts + 18a , $x , $x ) ( $ts + 20a , $x , $x ) ( $ts + 22a , $x , $x ) ( $ts + 24a , $x , $x ) ( $ts + 26a , $x , $x ) ( $ts + 28a , $x , $x ) ( $ts + 30a , $x , $x ) ( $ts + 32a , $x , $x ) ( $ts + 34a , $x , $x ) ( $ts + 36a , $x , $x ) ( $ts + 38a , $x , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb -x continue_loop
+    print data00 $data00 totalRows $totalRows
+    if $data00 != $totalRows then
+	    print **********************  select error **********************
+    endi
+    continue_loop:
+    print ====================== client4  insert data complete once ............
+  endi
+endw 
+
+goto loop_lable
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client1_0.sim b/tests/script/unique/cluster/main2_client1_0.sim
new file mode 100644
index 0000000000000000000000000000000000000000..a7fd181363808eb62d36ec8d461ea9ae300a6502
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client1_0.sim
@@ -0,0 +1,69 @@
+#system sh/stop_dnodes.sh
+#system sh/deploy.sh -n dnode1 -i 1
+#system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 10000
+#system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 256
+#system sh/exec.sh -n dnode1 -s start
+#sql connect
+#$db = db1
+#sql create database $db
+#sql use $db
+#$stb = stb1
+#sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+
+
+$tblStart = 0
+$tblEnd = 1000
+$tsStart = 1325347200000  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client1_0
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client1_0 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lastLossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client1_0  insert data complete once ............
+  endi
+endw 
+print ====================== client1_0  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client1_1.sim b/tests/script/unique/cluster/main2_client1_1.sim
new file mode 100644
index 0000000000000000000000000000000000000000..f22d62a7411110e3b7b94fd54702dd24c9af1b48
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client1_1.sim
@@ -0,0 +1,57 @@
+$tblStart = 1000
+$tblEnd = 2000
+$tsStart = 1325347200000  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client1_1
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client1_1 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lastLossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client1_1  insert data complete once ............
+  endi
+endw 
+print ====================== client1_1  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client1_2.sim b/tests/script/unique/cluster/main2_client1_2.sim
new file mode 100644
index 0000000000000000000000000000000000000000..df3a925c591194b819d8d1fc6bf9234d851fa5b4
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client1_2.sim
@@ -0,0 +1,56 @@
+$tblStart = 2000
+$tblEnd = 3000
+$tsStart = 1325347200000  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client1_2
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client1_2 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lastLossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client1_2  insert data complete once ............
+  endi
+endw 
+print ====================== client1_2  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client1_3.sim b/tests/script/unique/cluster/main2_client1_3.sim
new file mode 100644
index 0000000000000000000000000000000000000000..9c22432fa5176ec8cb36f6549e312170803263db
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client1_3.sim
@@ -0,0 +1,56 @@
+$tblStart = 3000
+$tblEnd = 4000
+$tsStart = 1325347200000  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client1_3
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client1_3 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lastLossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client1_3  insert data complete once ............
+  endi
+endw 
+print ====================== client1_3  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client2_0.sim b/tests/script/unique/cluster/main2_client2_0.sim
new file mode 100644
index 0000000000000000000000000000000000000000..e44efc49fc7333541d5870ed05eb1cb1a289c3a2
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client2_0.sim
@@ -0,0 +1,56 @@
+$tblStart = 0
+$tblEnd = 1000
+$tsStart = 1325347200001  # 2012-01-01 00:00:00.001
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client2_0
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client2_0 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lastLossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client2_0  insert data complete once ............
+  endi
+endw 
+print ====================== client2_0  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client2_1.sim b/tests/script/unique/cluster/main2_client2_1.sim
new file mode 100644
index 0000000000000000000000000000000000000000..19de147d3ea79b54702b8ce0da30d2bff69841f2
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client2_1.sim
@@ -0,0 +1,57 @@
+$tblStart = 1000
+$tblEnd = 2000
+$tsStart = 1325347200001  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client2_1
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client2_1 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client2_1  insert data complete once ............
+  endi
+endw 
+print ====================== client2_1  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client2_2.sim b/tests/script/unique/cluster/main2_client2_2.sim
new file mode 100644
index 0000000000000000000000000000000000000000..19e3540bd1676ebb15d0d318488feea61ef9074a
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client2_2.sim
@@ -0,0 +1,57 @@
+$tblStart = 2000
+$tblEnd = 3000
+$tsStart = 1325347200001  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client2_2
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client2_2 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client2_2  insert data complete once ............
+  endi
+endw 
+print ====================== client2_2  success and auto end =====================
\ No newline at end of file
diff --git a/tests/script/unique/cluster/main2_client2_3.sim b/tests/script/unique/cluster/main2_client2_3.sim
new file mode 100644
index 0000000000000000000000000000000000000000..219df131c8f31babc25f2204dbddab7f0232c56b
--- /dev/null
+++ b/tests/script/unique/cluster/main2_client2_3.sim
@@ -0,0 +1,57 @@
+$tblStart = 3000
+$tblEnd = 4000
+$tsStart = 1325347200001  # 2012-01-01 00:00:00.000
+###############################################################
+
+sql connect
+
+$db = db1
+$stb = stb1
+
+sql use $db
+
+
+######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+$tagBinary = ' . client2_3
+$tagBinary = $tagBinary . '
+#print ======= tag: $tagBinary
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  $i = $i + 1
+endw 
+
+print ====================== client2_3 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+
+$rowsPerLoop = 100
+$ts = $tsStart
+
+$lossRows = 0
+
+$i = $tblStart
+while $i < $tblEnd
+  $tb = tb . $i
+  $x = 0
+  while $x < $rowsPerLoop
+    sql insert into $tb values ( $ts + 0a , $x ) ( $ts + 2a , $x ) ( $ts + 4a , $x ) ( $ts + 6a , $x ) ( $ts + 8a , $x ) ( $ts + 10a , $x ) ( $ts + 12a , $x ) ( $ts + 14a , $x ) ( $ts + 16a , $x ) ( $ts + 18a , $x ) ( $ts + 20a , $x ) ( $ts + 22a , $x ) ( $ts + 24a , $x ) ( $ts + 26a , $x ) ( $ts + 28a , $x ) ( $ts + 30a , $x ) ( $ts + 32a , $x ) ( $ts + 34a , $x ) ( $ts + 36a , $x ) ( $ts + 38a , $x )
+    $x = $x + 20
+    $ts = $ts + 40a
+  endw 
+
+  $totalRows = $totalRows + $x
+  $i = $i + 1
+  
+  if $i == $tblEnd then
+    $i = $tblStart
+    
+    sql select count(*) from $stb where t2 == $tagBinary
+    print ====================== client2_3  insert data complete once ............
+  endi
+endw 
+print ====================== client2_3  success and auto end =====================
\ No newline at end of file