From ced0971b4beba65e6caf1eacf6a3b51238dab507 Mon Sep 17 00:00:00 2001
From: Thomas Schoebel-Theuer <tst@1und1.de>
Date: Fri, 18 Mar 2022 12:09:12 +0100
Subject: [PATCH] marsadm: warn on missing directory at join-cluster

---
 userspace/marsadm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/userspace/marsadm b/userspace/marsadm
index 02a42aed..f816d819 100755
--- a/userspace/marsadm
+++ b/userspace/marsadm
@@ -5032,6 +5032,10 @@ sub join_cluster {
   _create_dirs($cmd);
   # try new join method
   if (is_module_loaded()) {
+    my $act_dir = "$mars/actual-$real_host";
+    if (! -d $act_dir) {
+      ldie "My kernel module is loaded, but directory '$act_dir' is missing\n";
+    }
     my $ip = _get_ip($host);
     lprint "MARS kernel module is loaded, trying the new $cmd method.\n";
     my $old_uuid = get_link("$mars/uuid", 2);