[BugFix] shutil.rmtree ignore_errors for shared disks between train n…

…odes PaddlePaddle#8117 (PaddlePaddle#8123)

[BugFix] shutil.rmtree ignore_errors for shared disks between train nodes. PaddlePaddle#8117

paddlenlp/trainer/trainer.py

@@ -2225,7 +2225,8 @@ def _rotate_checkpoints(self, use_mtime=False, output_dir=None) -> None:
         checkpoints_to_be_deleted = checkpoints_sorted[:number_of_checkpoints_to_delete]
         for checkpoint in checkpoints_to_be_deleted:
             logger.info(f"Deleting older checkpoint [{checkpoint}] due to args.save_total_limit")
-            shutil.rmtree(checkpoint)
+            # ignore_errors for shared disks between train nodes.
+            shutil.rmtree(checkpoint, ignore_errors=True)
 
     def _save(self, output_dir: Optional[str] = None, state_dict=None, merge_tensor_parallel=False):
         output_dir = output_dir if output_dir is not None else self.args.output_dir