diff --git a/primitives/blockcache/iomanager.cpp b/primitives/blockcache/iomanager.cpp
index 097f3cad6..019368313 100644
--- a/primitives/blockcache/iomanager.cpp
+++ b/primitives/blockcache/iomanager.cpp
@@ -1359,15 +1359,13 @@ ioManager::ioManager(FileBufferMgr& fbm,
     go();
 }
 
-void ioManager::buildOidFileName(const BRM::OID_t oid, const uint16_t dbRoot, const uint16_t partNum, const uint32_t segNum, char* file_name)
+void ioManager::buildOidFileName(const BRM::OID_t oid, uint16_t dbRoot, const uint32_t partNum, const uint16_t segNum, char* file_name)
 {
-    if (fFileOp.getFileName(oid, file_name, dbRoot, partNum, segNum) != WriteEngine::NO_ERROR)
-    {
-        file_name[0] = 0;
-        throw std::runtime_error("fileOp.getFileName failed");
-    }
-
-    //cout << "Oid2Filename o: " << oid << " n: " << file_name << endl;
+    // when it's a request for the version buffer, the dbroot comes in as 0 for legacy reasons
+    if (dbRoot == 0 && oid < 1000)
+        dbRoot = fdbrm.getDBRootOfVBOID(oid);
+    
+    fFileOp.getFileNameForPrimProc(oid, file_name, dbRoot, partNum, segNum);
 }
 
 const int ioManager::localLbidLookup(BRM::LBID_t lbid,
diff --git a/primitives/blockcache/iomanager.h b/primitives/blockcache/iomanager.h
index 4ac14a9b0..8f0f629ac 100644
--- a/primitives/blockcache/iomanager.h
+++ b/primitives/blockcache/iomanager.h
@@ -83,9 +83,9 @@ public:
                               uint32_t& fileBlockOffset);
 
     void buildOidFileName(const BRM::OID_t oid,
-                          const uint16_t dbRoot,
-                          const uint16_t partNum,
-                          const uint32_t segNum,
+                          uint16_t dbRoot,
+                          const uint32_t partNum,
+                          const uint16_t segNum,
                           char* file_name);
 
     const uint32_t getExtentRows()
@@ -153,7 +153,6 @@ private:
     uint32_t fDecreaseOpenFilesCount;
     bool fFDCacheTrace;
     std::ofstream fFDTraceFile;
-
 };
 
 // @bug2631, for remount filesystem by loadBlock() in primitiveserver
diff --git a/writeengine/shared/we_fileop.cpp b/writeengine/shared/we_fileop.cpp
index f4c65ed52..d81a1927f 100644
--- a/writeengine/shared/we_fileop.cpp
+++ b/writeengine/shared/we_fileop.cpp
@@ -2412,6 +2412,29 @@ int FileOp::oid2FileName( FID fid,
     return NO_ERROR;
 }
 
+void FileOp::getFileNameForPrimProc(FID fid,
+                          char* fullFileName,
+                          uint16_t dbRoot,
+                          uint32_t partition,
+                          uint16_t segment) const
+{        
+    string dbRootPath = Config::getDBRootByNum(dbRoot);
+    if (dbRootPath.empty())
+    {
+        ostringstream oss;
+        oss << "(dbroot " << dbRoot << " offline)";
+        dbRootPath = oss.str();        
+    }
+    
+    // different filenames for the version buffer files
+    if (fid < 1000)
+        snprintf(fullFileName, FILE_NAME_SIZE, "%s/versionbuffer.cdf", dbRootPath.c_str());
+    else
+        snprintf(fullFileName, FILE_NAME_SIZE, "%s/%03u.dir/%03u.dir/%03u.dir/%03u.dir/%03u.dir/FILE%03d.cdf",
+            dbRootPath.c_str(), fid >> 24, (fid & 0x00ff0000) >> 16, (fid & 0x0000ff00) >> 8, 
+            fid & 0x000000ff, partition, segment);
+}                          
+
 /***********************************************************
  * DESCRIPTION:
  *    Search for directory path associated with specified OID.
diff --git a/writeengine/shared/we_fileop.h b/writeengine/shared/we_fileop.h
index e7f2fa576..4ddc7513f 100644
--- a/writeengine/shared/we_fileop.h
+++ b/writeengine/shared/we_fileop.h
@@ -310,6 +310,12 @@ public:
                                      uint32_t partition,
                                      uint16_t segment ) const;
 
+    /* Added for MCOL-3251 */
+    void                getFileNameForPrimProc(FID fid, char* fileName,
+                                     uint16_t dbRoot,
+                                     uint32_t partition,
+                                     uint16_t segment ) const;
+
     /**
      * @brief Construct directory path for the specified fid (OID), DBRoot, and
      * partition number.  Directory does not have to exist, nor is it created.