From 24acd516a860468e23e1135559a789e3bbef7bd8 Mon Sep 17 00:00:00 2001
From: yangsheng <Sheng.Yang@Sun.COM>
Date: Thu, 11 Mar 2010 00:44:32 +0800
Subject: [PATCH] b=21815 Test case for clear stale nid-stats hash.

i=johann
i=wang.yibin
---
 lustre/tests/sanity.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 553ecac..a46b25c 100644
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -6494,6 +6494,15 @@ test_900() {
 }
 run_test 900 "umount should not race with any mgc requeue thread"
 
+test_910() {
+        local nid_cp
+
+        umount $MOUNT
+	do_facet mds lctl set_param mds.${FSNAME}-MDT*.exports.clear=0
+        stop mds
+}
+run_test 910 "umount server after clear nid_stats should not hit LBUG"
+
 log "cleanup: ======================================================"
 check_and_cleanup_lustre
 if [ "$I_MOUNTED" != "yes" ]; then
-- 
1.8.3.1