removed unnecesary check in ConfigInfo

added retries to tryBind


ndb/src/common/mgmcommon/ConfigInfo.cpp:
  removed unnecesary check in ConfigInfo
ndb/src/mgmsrv/main.cpp:
  added retries to tryBind

ndb/src/common/mgmcommon/ConfigInfo.cpp

@@ -3118,9 +3118,7 @@ check_node_vs_replicas(Vector<ConfigInfo::ConfigRuleSection>&sections,
 {
   Uint32 db_nodes = 0;
   Uint32 replicas = 0;
-  if (!ctx.m_userProperties.get("DB", &db_nodes)) {
-    return true;
-  }
+  ctx.m_userProperties.get("DB", &db_nodes);
   ctx.m_userProperties.get("NoOfReplicas", &replicas);
   if((db_nodes % replicas) != 0){
     ctx.reportError("Invalid no of db nodes wrt no of replicas.\n"

ndb/src/mgmsrv/main.cpp

@@ -180,7 +180,12 @@ NDB_MAIN(mgmsrv){
   glob.use_specific_ip = false;
 
   if(!glob.use_specific_ip){
-    if(!glob.socketServer->tryBind(glob.port, glob.interface_name)){
+    int count= 5; // no of retries for tryBind
+    while(!glob.socketServer->tryBind(glob.port, glob.interface_name)){
+      if (--count > 0) {
+	NdbSleep_MilliSleep(1000);
+	continue;
+      }
       ndbout_c("Unable to setup port: %s:%d!\n"
 	       "Please check if the port is already used,\n"
 	       "(perhaps a ndb_mgmd is already running),\n"