diff --git a/src/PVE/API2/Storage/Config.pm b/src/PVE/API2/Storage/Config.pm
index 0716916..e04b6ab 100755
--- a/src/PVE/API2/Storage/Config.pm
+++ b/src/PVE/API2/Storage/Config.pm
@@ -256,6 +256,11 @@ __PACKAGE__->register_method ({
 
 	    $returned_config = $plugin->on_add_hook($storeid, $opts, %$sensitive);
 
+	    if (defined($opts->{mkdir})) { # TODO: remove complete option in Proxmox VE 9
+		warn "NOTE: The 'mkdir' option set for '${storeid}' is deprecated and will be removed"
+		    ." in Proxmox VE 9. Use 'create-base-path' or 'create-subdirs' instead.\n"
+	    }
+
 	    eval {
 		# try to activate if enabled on local node,
 		# we only do this to detect errors/problems sooner
@@ -363,6 +368,11 @@ __PACKAGE__->register_method ({
 		$scfg->{$k} = $opts->{$k};
 	    }
 
+	    if (defined($scfg->{mkdir})) { # TODO: remove complete option in Proxmox VE 9
+		warn "NOTE: The 'mkdir' option set for '${storeid}' is deprecated and will be removed"
+		    ." in Proxmox VE 9. Use 'create-base-path' or 'create-subdirs' instead.\n"
+	    }
+
 	    PVE::Storage::write_config($cfg);
 
 	}, "update storage failed");
diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
index 3f9f1ec..9d3b1ae 100644
--- a/src/PVE/Storage/Plugin.pm
+++ b/src/PVE/Storage/Plugin.pm
@@ -1369,8 +1369,8 @@ sub activate_storage {
 	"directory '$path' does not exist or is unreachable\n";
     }
 
-    warn "${storeid}: 'mkdir' option is deprecated. Use 'create-base-path' or 'create-subdirs' instead.\n"
-	if defined($scfg->{mkdir});
+    # TODO: mkdir is basically deprecated since 8.0, but we don't warn here until 8.4 or 9.0, as we
+    # only got the replacement in 8.0, so no real replacement window, and its really noisy.
 
     if (defined($scfg->{content})) {
 	# (opt-out) create content dirs and check validity