d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add regression tests for r327779.

Browse Source 
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
This commit is contained in:
markj 2018-01-10 19:41:05 +00:00
parent 652ed11da6
commit b5f33a8488
2 changed files with 112 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tests/sys/geom/class/mirror/Makefile
View File

@ -18,6 +18,8 @@ TAP_TESTS_SH+= 11_test
TAP_TESTS_SH+= 12_test
TAP_TESTS_SH+= 13_test
ATF_TESTS_SH+= sync_error
${PACKAGE}FILES+= conf.sh
.for t in ${TAP_TESTS_SH}

110
tests/sys/geom/class/mirror/sync_error.sh Normal file
View File

@ -0,0 +1,110 @@
# $FreeBSD$
REG_READ_FP=debug.fail_point.g_mirror_regular_request_read
atf_test_case sync_read_error_2_disks cleanup
sync_read_error_2_disks_head()
{
atf_set "descr" \
"Ensure that we properly handle read errors during synchronization."
atf_set "require.user" "root"
}
sync_read_error_2_disks_body()
{
. $(atf_get_srcdir)/conf.sh
f1=$(mktemp ${base}.XXXXXX)
f2=$(mktemp ${base}.XXXXXX)
atf_check dd if=/dev/zero bs=1M count=32 of=$f1 status=none
atf_check truncate -s 32M $f2
md1=$(attach_md -t vnode -f ${f1})
md2=$(attach_md -t vnode -f ${f2})
atf_check gmirror label $name $md1
devwait
atf_check -s exit:0 -e empty -o not-empty sysctl ${REG_READ_FP}='1*return(5)'
# If a read error occurs while synchronizing and the mirror contains
# a single active disk, gmirror has no choice but to fail the
# synchronization and kick the new disk out of the mirror.
atf_check gmirror insert $name $md2
sleep 0.1
syncwait
atf_check [ $(gmirror status -s $name | wc -l) -eq 1 ]
atf_check -s exit:0 -o match:"DEGRADED $md1 \(ACTIVE\)" \
gmirror status -s $name
}
sync_read_error_2_disks_cleanup()
{
. $(atf_get_srcdir)/conf.sh
atf_check -s exit:0 -e empty -o not-empty sysctl ${REG_READ_FP}='off'
gmirror_test_cleanup
}
atf_test_case sync_read_error_3_disks cleanup
sync_read_error_3_disks_head()
{
atf_set "descr" \
"Ensure that we properly handle read errors during synchronization."
atf_set "require.user" "root"
}
sync_read_error_3_disks_body()
{
. $(atf_get_srcdir)/conf.sh
f1=$(mktemp ${base}.XXXXXX)
f2=$(mktemp ${base}.XXXXXX)
f3=$(mktemp ${base}.XXXXXX)
atf_check dd if=/dev/random bs=1M count=32 of=$f1 status=none
atf_check truncate -s 32M $f2
atf_check truncate -s 32M $f3
md1=$(attach_md -t vnode -f ${f1})
md2=$(attach_md -t vnode -f ${f2})
md3=$(attach_md -t vnode -f ${f3})
atf_check gmirror label $name $md1
devwait
atf_check gmirror insert $name $md2
syncwait
atf_check -s exit:0 -e empty -o not-empty sysctl ${REG_READ_FP}='1*return(5)'
# If a read error occurs while synchronizing a new disk, and we have
# multiple active disks, we retry the read after an error. The disk
# which returned the read error is kicked out of the mirror.
atf_check gmirror insert $name $md3
syncwait
atf_check [ $(gmirror status -s $name | wc -l) -eq 2 ]
atf_check -s exit:0 -o match:"DEGRADED $md3 \(ACTIVE\)" \
gmirror status -s $name
# Make sure that the two active disks are identical. Destroy the
# mirror first so that the metadata sectors are wiped.
if $(gmirror status -s $name | grep -q $md1); then
active=$md1
else
active=$md2
fi
atf_check gmirror destroy $name
atf_check cmp /dev/$active /dev/$md3
}
sync_read_error_3_disks_cleanup()
{
. $(atf_get_srcdir)/conf.sh
atf_check -s exit:0 -e empty -o not-empty sysctl ${REG_READ_FP}='off'
gmirror_test_cleanup
}
atf_init_test_cases()
{
atf_add_test_case sync_read_error_2_disks
atf_add_test_case sync_read_error_3_disks
}