fix: [Cherry-pick] throw exception when upload file failed for DiskIn…

…dex (#29628)

Cherry pick from master
pr: #29627 
related to: #29417

Signed-off-by: xianliang <xianliang.li@zilliz.com>

internal/core/src/index/VectorDiskIndex.cpp

@@ -90,7 +90,11 @@ template <typename T>
 BinarySet
 VectorDiskAnnIndex<T>::Upload(const Config& config) {
     BinarySet ret;
-    index_.Serialize(ret);
+    auto stat = index_.Serialize(ret);
+    if (stat != knowhere::Status::success) {
+        PanicInfo(ErrorCode::UnexpectedError,
+                  "failed to serialize index, " + KnowhereStatusString(stat));
+    }
     auto remote_paths_to_size = file_manager_->GetRemotePathsToFileSize();
     for (auto& file : remote_paths_to_size) {
         ret.Append(file.first, nullptr, file.second);