Date: Tue, 2 May 2017 23:31:39 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r317713 - head/tests/sys/geom/class/mirror Message-ID: <201705022331.v42NVdFC027346@repo.freebsd.org>
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Author: markj Date: Tue May 2 23:31:39 2017 New Revision: 317713 URL: https://svnweb.freebsd.org/changeset/base/317713 Log: Add regression tests for r317712 and r306743. MFC after: 2 weeks Sponsored by: Dell EMC Isilon Added: head/tests/sys/geom/class/mirror/8_test.sh (contents, props changed) head/tests/sys/geom/class/mirror/9_test.sh (contents, props changed) Modified: head/tests/sys/geom/class/mirror/Makefile Added: head/tests/sys/geom/class/mirror/8_test.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tests/sys/geom/class/mirror/8_test.sh Tue May 2 23:31:39 2017 (r317713) @@ -0,0 +1,53 @@ +#!/bin/sh +# $FreeBSD$ + +# Regression test for r317712. + +. `dirname $0`/conf.sh + +echo 1..1 + +ddbs=2048 +m1=`mktemp $base.XXXXXX` || exit 1 +m2=`mktemp $base.XXXXXX` || exit 1 + +dd if=/dev/zero of=$m1 bs=$ddbs count=1024 >/dev/null 2>&1 +dd if=/dev/zero of=$m2 bs=$ddbs count=1024 >/dev/null 2>&1 + +us0=$(mdconfig -t vnode -f $m1) || exit 1 +us1=$(mdconfig -t vnode -f $m2) || exit 1 + +gmirror label $name /dev/$us0 /dev/$us1 || exit 1 +devwait + +# Ensure that the mirrors are marked dirty, and then disconnect them. +# We need to have the gmirror provider open when destroying the MDs since +# gmirror will automatically mark the mirrors clean when the provider is closed. +exec 9>/dev/mirror/$name +dd if=/dev/zero bs=$ddbs count=1 >&9 2>/dev/null +mdconfig -d -u ${us0#md} -o force || exit 1 +mdconfig -d -u ${us1#md} -o force || exit 1 +exec 9>&- + +dd if=/dev/random of=$m1 bs=$ddbs count=1 conv=notrunc >/dev/null 2>&1 +us0=$(attach_md -t vnode -f $m1) || exit 1 +devwait # This will take kern.geom.mirror.timeout seconds. + +# Re-attach the second mirror and wait for it to synchronize. +us1=$(attach_md -t vnode -f $m2) || exit 1 +while [ $(gmirror status $name | grep ACTIVE | wc -l) -ne 2 ]; do + sleep 1 +done + +# Verify the two mirrors are identical. Destroy the gmirror first so that +# the mirror metadata is wiped; otherwise the metadata blocks will fail +# the comparison. It would be nice to do this with a "gmirror verify" +# command instead. +gmirror destroy $name +if cmp -s ${m1} ${m2}; then + echo "ok 1" +else + echo "not ok 1" +fi + +rm -f $m1 $m2 Added: head/tests/sys/geom/class/mirror/9_test.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tests/sys/geom/class/mirror/9_test.sh Tue May 2 23:31:39 2017 (r317713) @@ -0,0 +1,62 @@ +#!/bin/sh +# $FreeBSD$ + +# Regression test for r306743. + +. `dirname $0`/conf.sh + +echo 1..1 + +ddbs=2048 +m1=`mktemp $base.XXXXXX` || exit 1 +m2=`mktemp $base.XXXXXX` || exit 1 +m3=`mktemp $base.XXXXXX` || exit 1 + +dd if=/dev/zero of=$m1 bs=$ddbs count=1024 >/dev/null 2>&1 +dd if=/dev/zero of=$m2 bs=$ddbs count=1024 >/dev/null 2>&1 +dd if=/dev/zero of=$m3 bs=$ddbs count=1024 >/dev/null 2>&1 + +us0=$(attach_md -t vnode -f $m1) || exit 1 +us1=$(attach_md -t vnode -f $m2) || exit 1 +us2=$(attach_md -t vnode -f $m3) || exit 1 + +gmirror label $name /dev/$us0 /dev/$us1 || exit 1 +devwait + +# Break one of the mirrors by forcing a single metadata write error. +# When dd closes the mirror provider, gmirror will attempt to mark the mirrors +# clean, and will kick one of the mirrors out upon hitting the error. +sysctl debug.fail_point.g_mirror_metadata_write='1*return(5)' || exit 1 +dd if=/dev/random of=/dev/mirror/$name bs=$ddbs count=1 >/dev/null 2>&1 +sysctl debug.fail_point.g_mirror_metadata_write='off' || exit 1 + +# Replace the broken mirror, and then stop the gmirror. +gmirror forget $name || exit 1 +gmirror insert $name /dev/$us2 || exit 1 +while [ $(gmirror status $name | grep ACTIVE | wc -l) -ne 2 ]; do + sleep 1 +done +gmirror stop $name || exit 1 + +# Restart the gmirror on the original two mirrors. One of them is broken, +# so we should end up with a degraded gmirror. +gmirror activate $name /dev/$us0 /dev/$us1 || exit 1 +devwait +dd if=/dev/random of=/dev/mirror/$name bs=$ddbs count=1 >/dev/null 2>&1 + +# Re-add the replacement mirror and verify the two mirrors are synchronized. +# Destroy the gmirror first so that the mirror metadata is wiped; otherwise +# the metadata blocks will fail the comparison. It would be nice to do this +# with a "gmirror verify" command instead. +gmirror activate $name /dev/$us2 || exit 1 +while [ $(gmirror status $name | grep ACTIVE | wc -l) -ne 2 ]; do + sleep 1 +done +gmirror destroy $name || exit 1 +if cmp -s $m1 $m3; then + echo "ok 1" +else + echo "not ok 1" +fi + +rm -f $m1 $m2 $m3 Modified: head/tests/sys/geom/class/mirror/Makefile ============================================================================== --- head/tests/sys/geom/class/mirror/Makefile Tue May 2 23:29:42 2017 (r317712) +++ head/tests/sys/geom/class/mirror/Makefile Tue May 2 23:31:39 2017 (r317713) @@ -11,6 +11,8 @@ TAP_TESTS_SH+= 4_test TAP_TESTS_SH+= 5_test TAP_TESTS_SH+= 6_test TAP_TESTS_SH+= 7_test +TAP_TESTS_SH+= 8_test +TAP_TESTS_SH+= 9_test ${PACKAGE}FILES+= conf.sh
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