Latest HA tests

    - better startup sequence
    - single node HA test
    - minor fixes to improve error handling
diff --git a/TestON/tests/HATestClusterRestart/HATestClusterRestart.params b/TestON/tests/HATestClusterRestart/HATestClusterRestart.params
new file mode 100644
index 0000000..0a8bd57
--- /dev/null
+++ b/TestON/tests/HATestClusterRestart/HATestClusterRestart.params
@@ -0,0 +1,63 @@
+<PARAMS>
+    <testcases>1,2,8,3,4,5,[6],7,8,4,9,8,4,10,8,4,11,8,4,12,8,4,13</testcases>
+    <ENV>
+    <cellName>HA</cellName>
+    </ENV>
+    <Git>False</Git>
+
+    <CTRL>
+        <ip1>10.128.30.11</ip1>
+        <port1>6633</port1>
+
+        <ip2>10.128.30.12</ip2>
+        <port2>6633</port2>
+
+        <ip3>10.128.30.13</ip3>
+        <port3>6633</port3>
+
+        <ip4>10.128.30.14</ip4>
+        <port4>6633</port4>
+
+        <ip5>10.128.30.15</ip5>
+        <port5>6633</port5>
+
+        <ip6>10.128.30.16</ip6>
+        <port6>6633</port6>
+
+        <ip7>10.128.30.17</ip7>
+        <port7>6633</port7>
+    </CTRL>
+    <TESTONUSER>admin</TESTONUSER>
+    <TESTONIP>10.128.30.10</TESTONIP>
+    <PING>
+        <source1>h8</source1>
+        <source2>h9</source2>
+        <source3>h10</source3>
+        <source4>h11</source4>
+        <source5>h12</source5>
+        <source6>h13</source6>
+        <source7>h14</source7>
+        <source8>h15</source8>
+        <source9>h16</source9>
+        <source10>h17</source10>
+        <target1>10.0.0.18</target1>
+        <target2>10.0.0.19</target2>
+        <target3>10.0.0.20</target3>
+        <target4>10.0.0.21</target4>
+        <target5>10.0.0.22</target5>
+        <target6>10.0.0.23</target6>
+        <target7>10.0.0.24</target7>
+        <target8>10.0.0.25</target8>
+        <target9>10.0.0.26</target9>
+        <target10>10.0.0.27</target10>
+    </PING>
+    <timers>
+        <LinkDiscovery>2</LinkDiscovery>
+        <SwitchDiscovery>2</SwitchDiscovery>
+    </timers>
+    <MNtcpdump>
+        <intf>eth0</intf>
+        <port> </port>
+        <folder>~/packet_captures/</folder>
+    </MNtcpdump>
+</PARAMS>