1#!/bin/sh 2 3# 4# Copyright (c) 2016 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Bring the network down and up again during NFS tests. 30 31# "panic: re_txeof: freeing NULL mbufs!" seen: 32# https://people.freebsd.org/~pho/stress/log/nfs14.txt 33 34# This is a very disruptive test, so be aware! 35[ -z "$footshoot" ] && exit 0 36 37[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 38 39. ../default.cfg 40 41[ -z "$nfs_export" ] && exit 0 42ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || 43 exit 0 44 45if=`ifconfig -lu | awk '{print $1}'` 46[ -z "$if" ] && exit 0 47 48[ ! -d $mntpoint ] && mkdir $mntpoint 49mount | grep "on $mntpoint " | grep -q nfs && umount $mntpoint 50mount -t nfs -o tcp -o retrycnt=3 -o soft \ 51 -o rw $nfs_export $mntpoint 52 53sleep .5 54export RUNDIR=$mntpoint/nfs14.`jot -rc 8 a z | tr -d '\n'`/stressX 55rm -rf $RUNDIR 56mkdir -p $RUNDIR 57chmod 777 $RUNDIR 58export runRUNTIME=3m 59rm -rf /tmp/stressX.control/* 60 61su $testuser -c '(cd ..; ./run.sh rw.cfg) > /dev/null 2>&1' & 62 63sleep `jot -r 1 5 15`.`jot -r 1 1 9` 64downtime=`jot -r 1 100 150` 65echo "Testing with $downtime seconds downtime." 66ifconfig $if down; sleep $downtime; ifconfig $if up 67 68wait 69rm -rf $RUNDIR 70while mount | grep -q $mntpoint; do 71 umount -f $mntpoint > /dev/null 2>&1 72done 73../tools/killall.sh 74exit 0 75