svn commit: r351414 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Fri Aug 23 05:04:41 2019
New Revision: 351414
URL: https://svnweb.freebsd.org/changeset/base/351414

Log:
  Added a test scenario for "recovering from disk failures".
  
  Sponsored by:	Dell EMC Isilon

Added:
  user/pho/stress2/misc/gnop7.sh   (contents, props changed)

Added: user/pho/stress2/misc/gnop7.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/gnop7.sh	Fri Aug 23 05:04:41 2019	(r351414)
@@ -0,0 +1,82 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2019 Dell EMC Isilon
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# Failed Disk Test.
+# "panic: witness_warn" seen in WiP kernel code.
+# https://people.freebsd.org/~pho/stress/log/kirk102.txt
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+kldstat | grep -q geom_nop || { gnop load 2>/dev/null || exit 0 &&
+    notloaded=1; }
+gnop status || exit 1
+
+. ../default.cfg
+
+set -e
+mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
+[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
+
+mdconfig -a -t swap -s 2g -u $mdstart
+gnop create /dev/md$mdstart
+newfs $newfs_flags /dev/md$mdstart.nop > /dev/null
+mount /dev/md$mdstart.nop $mntpoint
+chmod 777 $mntpoint
+set +e
+
+export runRUNTIME=3m
+export RUNDIR=$mntpoint/stressX
+echo "Expect:
+    g_vfs_done():md10.nop[READ(offset=1077805056, length=32768)]error = 5
+    g_vfs_done():md10.nop[WRITE(offset=553680896, length=32768)]error = 5"
+
+su $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1 &
+sleep `jot -r 1 60 120`
+gnop configure -e 5 -r 100 -w 100 /dev/md$mdstart.nop
+sleep 2
+gnop configure -e 0 -r 0 -w 0 /dev/md$mdstart.nop
+wait
+
+while mount | grep -q "on $mntpoint "; do
+	umount $mntpoint && break
+	sleep 1
+	[ $((n += 1)) -le 10 ] && continue
+	echo "umount $mntpoint failed"
+	s=1
+	umount -f $mntpoint
+	break
+done
+fsck_ffs -Rfy /dev/md$mdstart.nop || s=2
+gnop destroy /dev/md$mdstart.nop
+mdconfig -d -u $mdstart
+
+[ $notloaded ] && gnop unload
+exit $s