diff --git a/.gitignore b/.gitignore
index c33ccb73..eb75f580 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 env
 build
 build_*
-logs
+logs_*
 database
 .Xil
 **/specimen_*
diff --git a/Makefile b/Makefile
index cdfbba14..dae7940f 100644
--- a/Makefile
+++ b/Makefile
@@ -131,7 +131,6 @@ db-format-$(1):
 	@if [ -e database/Info.md ]; then $(IN_ENV) ./utils/info_md.py --keep; fi
 
 .PHONY: db-$(1) db-check-$(1) db-format-$(1) db-extras-$(1) db-extras-$(1)-parts db-extras-$(1)-harness
-.NOTPARALLEL: db-check-$(1) db-format-$(1)
 
 db-extras-$(1): db-extras-$(1)-parts db-extras-$(1)-harness
 
diff --git a/fuzzers/run_fuzzer.py b/fuzzers/run_fuzzer.py
index aedc253d..22b1863e 100755
--- a/fuzzers/run_fuzzer.py
+++ b/fuzzers/run_fuzzer.py
@@ -429,7 +429,8 @@ def main(argv):
     fuzzer_dir = os.path.join(fuzzers_dir, args.fuzzer)
     assert os.path.exists(fuzzer_dir), fuzzer_dir
 
-    fuzzer_logdir = os.path.join(fuzzer_dir, "logs")
+    fuzzer_logdir = os.path.join(
+        fuzzer_dir, "logs_{}".format(os.environ['XRAY_PART']))
     if not os.path.exists(fuzzer_logdir):
         os.makedirs(fuzzer_logdir)
     assert os.path.exists(fuzzer_logdir)