s3: Fix serverid_exists

In the cluster case it can happen that a node just died and we did not yet have
the time to clean up serverid.tdb. If the corresponding serverid.tdb record
that represented a process was migrated away from the dead record, it
represents existence of a process where it is already dead.

1 files changed, 4 insertions, 0 deletions

diff --git a/source3/lib/serverid.c b/source3/lib/serverid.c
index dd02e51a21..ded72981ec 100644
--- a/source3/lib/serverid.c
+++ b/source3/lib/serverid.c
@@ -234,6 +234,10 @@ bool serverid_exists(const struct server_id *id)
 	struct serverid_key key;
 	TDB_DATA tdbkey;
 
+	if (lp_clustering() && !process_exists(*id)) {
+		return false;
+	}
+
 	db = serverid_db();
 	if (db == NULL) {
 		return false;