ndb - bug#25468

  handle partially transfered LCP_FRAG_REP after node failure
  recommit to 51-work

storage/ndb/src/kernel/blocks/dbdih/Dbdih.hpp

@@ -637,6 +637,7 @@ private:
   void execTCGETOPSIZECONF(Signal *);
   void execTC_CLOPSIZECONF(Signal *);
   
+  int handle_invalid_lcp_no(const class LcpFragRep*, ReplicaRecordPtr);
   void execLCP_FRAG_REP(Signal *);
   void execLCP_COMPLETE_REP(Signal *);
   void execSTART_LCP_REQ(Signal *);

storage/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp

@@ -4046,6 +4046,11 @@ void Dbdih::execNODE_FAILREP(Signal* signal)
   Uint32 newMasterId = nodeFail->masterNodeId;
   const Uint32 noOfFailedNodes = nodeFail->noOfNodes;
 
+  if (ERROR_INSERTED(7179))
+  {
+    CLEAR_ERROR_INSERT_VALUE;
+  }
+
   /*-------------------------------------------------------------------------*/
   // The first step is to convert from a bit mask to an array of failed nodes.
   /*-------------------------------------------------------------------------*/
@@ -10257,6 +10262,36 @@ void Dbdih::execLCP_FRAG_REP(Signal* signal)
   
   jamEntry();
 
+  if (ERROR_INSERTED(7178) && nodeId != getOwnNodeId())
+  {
+    jam();
+    Uint32 owng =Sysfile::getNodeGroup(getOwnNodeId(), SYSFILE->nodeGroups);
+    Uint32 nodeg = Sysfile::getNodeGroup(nodeId, SYSFILE->nodeGroups);
+    if (owng == nodeg)
+    {
+      jam();
+      ndbout_c("throwing away LCP_FRAG_REP from  (and killing) %d", nodeId);
+      SET_ERROR_INSERT_VALUE(7179);
+      signal->theData[0] = 9999;
+      sendSignal(numberToRef(CMVMI, nodeId), 
+		 GSN_NDB_TAMPER, signal, 1, JBA);  
+      return;
+    }
+  }
+ 
+  if (ERROR_INSERTED(7179) && nodeId != getOwnNodeId())
+  {
+    jam();
+    Uint32 owng =Sysfile::getNodeGroup(getOwnNodeId(), SYSFILE->nodeGroups);
+    Uint32 nodeg = Sysfile::getNodeGroup(nodeId, SYSFILE->nodeGroups);
+    if (owng == nodeg)
+    {
+      jam();
+      ndbout_c("throwing away LCP_FRAG_REP from %d", nodeId);
+      return;
+    }
+  }    
+
   CRASH_INSERTION2(7025, isMaster());
   CRASH_INSERTION2(7016, !isMaster());
   
@@ -10463,6 +10498,37 @@ void Dbdih::findReplica(ReplicaRecordPtr& replicaPtr,
   ndbrequire(false);
 }//Dbdih::findReplica()
 
+
+int
+Dbdih::handle_invalid_lcp_no(const LcpFragRep* rep, 
+			     ReplicaRecordPtr replicaPtr)
+{
+  ndbrequire(!isMaster());
+  Uint32 lcpNo = rep->lcpNo;
+  Uint32 lcpId = rep->lcpId;
+  Uint32 replicaLcpNo = replicaPtr.p->nextLcp;
+  Uint32 prevReplicaLcpNo = prevLcpNo(replicaLcpNo);
+
+  warningEvent("Detected previous node failure of %d during lcp",
+	       rep->nodeId);
+  replicaPtr.p->nextLcp = lcpNo;
+  replicaPtr.p->lcpId[lcpNo] = 0;
+  replicaPtr.p->lcpStatus[lcpNo] = ZINVALID;
+  
+  for (Uint32 i = lcpNo; i != lcpNo; i = nextLcpNo(i))
+  {
+    jam();
+    if (replicaPtr.p->lcpStatus[i] == ZVALID &&
+	replicaPtr.p->lcpId[i] >= lcpId)
+    {
+      ndbout_c("i: %d lcpId: %d", i, replicaPtr.p->lcpId[i]);
+      ndbrequire(false);
+    }
+  }
+
+  return 0;
+}
+
 /**
  * Return true  if table is all fragment replicas have been checkpointed
  *                 to disk (in all LQHs)
@@ -10491,10 +10557,13 @@ Dbdih::reportLcpCompletion(const LcpFragRep* lcpReport)
   
   ndbrequire(replicaPtr.p->lcpOngoingFlag == true);
   if(lcpNo != replicaPtr.p->nextLcp){
+    if (handle_invalid_lcp_no(lcpReport, replicaPtr))
+    {
       ndbout_c("lcpNo = %d replicaPtr.p->nextLcp = %d", 
 	       lcpNo, replicaPtr.p->nextLcp);
       ndbrequire(false);
     }
+  }
   ndbrequire(lcpNo == replicaPtr.p->nextLcp);
   ndbrequire(lcpNo < MAX_LCP_STORED);
   ndbrequire(replicaPtr.p->lcpId[lcpNo] != lcpId);

storage/ndb/test/ndbapi/testNodeRestart.cpp

@@ -1073,6 +1073,63 @@ int runBug25364(NDBT_Context* ctx, NDBT_Step* step){
   return NDBT_OK;
 }
 
+int runBug25468(NDBT_Context* ctx, NDBT_Step* step){
+  
+  int result = NDBT_OK;
+  int loops = ctx->getNumLoops();
+  int records = ctx->getNumRecords();
+  NdbRestarter restarter;
+  
+  for (int i = 0; i<loops; i++)
+  {
+    int master = restarter.getMasterNodeId();
+    int node1, node2;
+    switch(i % 5){
+    case 0:
+      node1 = master;
+      node2 = restarter.getRandomNodeSameNodeGroup(master, rand());
+      break;
+    case 1:
+      node1 = restarter.getRandomNodeSameNodeGroup(master, rand());
+      node2 = master;
+      break;
+    case 2:
+    case 3:
+    case 4:
+      node1 = restarter.getRandomNodeOtherNodeGroup(master, rand());
+      if (node1 == -1)
+	node1 = master;
+      node2 = restarter.getRandomNodeSameNodeGroup(node1, rand());
+      break;
+    }
+
+    ndbout_c("node1: %d node2: %d master: %d", node1, node2, master);
+
+    int val2[] = { DumpStateOrd::CmvmiSetRestartOnErrorInsert, 1 };
+  
+    if (restarter.dumpStateOneNode(node2, val2, 2))
+      return NDBT_FAILED;
+
+    if (restarter.insertErrorInNode(node1, 7178))
+      return NDBT_FAILED;
+
+    int val1 = 7099;
+    if (restarter.dumpStateOneNode(master, &val1, 1))
+      return NDBT_FAILED;
+
+    if (restarter.waitNodesNoStart(&node2, 1))
+      return NDBT_FAILED;
+
+    if (restarter.startAll())
+      return NDBT_FAILED;
+
+    if (restarter.waitClusterStarted())
+      return NDBT_FAILED;
+  }    
+
+  return NDBT_OK;
+}
+
 
 NDBT_TESTSUITE(testNodeRestart);
 TESTCASE("NoLoad", 
@@ -1403,6 +1460,9 @@ TESTCASE("Bug24717", ""){
 TESTCASE("Bug25364", ""){
   INITIALIZER(runBug25364);
 }
+TESTCASE("Bug25468", ""){
+  INITIALIZER(runBug25468);
+}
 NDBT_TESTSUITE_END(testNodeRestart);
 
 int main(int argc, const char** argv){

storage/ndb/test/run-test/daily-basic-tests.txt

@@ -768,6 +768,10 @@ max-time: 1500
 cmd: testSystemRestart
 args: -n Bug24664
 
+max-time: 1000
+cmd: testNodeRestart
+args: -n Bug25468 T1
+
 # OLD FLEX
 max-time: 500
 cmd: flexBench