b=13500

i=Nathan

Wait for MDT value to update.

lustre/tests/conf-sanity.sh

@@ -1012,14 +1012,24 @@ test_29() {
 
 	# check MDT too 
 	local MPROC="$LPROC/osc/$FSNAME-OST0001-osc/active"
-        RESULT=`do_facet mds " [ -r $MPROC ] && cat $MPROC"`
-        [ ${PIPESTATUS[0]} = 0 ] || error "Can't read $MPROC"
-        if [ $RESULT -ne $DEAC ]; then
-            echo "MDT not deactivated: $RESULT"
-            return 4
-        else
-            echo "MDT deactivated: also"
-	fi
+	local MAX=30
+	local WAIT=0
+	while [ 1 ]; do
+	    sleep 5
+	    RESULT=`do_facet mds " [ -r $MPROC ] && cat $MPROC"`
+	    [ ${PIPESTATUS[0]} = 0 ] || error "Can't read $MPROC"
+	    if [ $RESULT -eq $DEAC ]; then
+		echo "MDT deactivated also after $WAIT sec (got $RESULT)"
+		break
+	    fi
+	    WAIT=$((WAIT + 5))
+	    if [ $WAIT -eq $MAX ]; then
+		echo "MDT not deactivated: wanted $DEAC got $RESULT"
+		return 4
+	    fi
+	    echo "Waiting $(($MAX - $WAIT)) secs for MDT deactivated"
+	done
+
         # test new client starts deactivated
  	umount_client $MOUNT || return 200
 	mount_client $MOUNT
@@ -1307,4 +1317,3 @@ run_test 35 "Reconnect to the last active server first"
 
 equals_msg `basename $0`: test complete
 [ -f "$TESTSUITELOG" ] && cat $TESTSUITELOG || true
-