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mdadm/tests: add one test case for failfast of raid1 

This creates raid1 device with the failfast option and check all
slaves have the failfast flag. And it does assembling and growing
the raid1 device and check the failfast works fine.

Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
This commit is contained in:
Gioh Kim 2018-12-07 14:30:09 +01:00 committed by Jes Sorensen
parent cab114c5ca
commit 76b906d240
1 changed files with 74 additions and 0 deletions
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# create a simple mirror and check failfast flag works
mdadm -CR $md0 -e1.2 --level=raid1 --failfast -n2 $dev0 $dev1
check raid1
if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
then
die "failfast missing"
fi
# Removing works with the failfast flag
mdadm $md0 -f $dev0
mdadm $md0 -r $dev0
if grep -v failfast /sys/block/md0/md/rd1/state > /dev/null
then
die "failfast missing"
fi
# Adding works with the failfast flag
mdadm $md0 -a --failfast $dev0
check wait
if grep -v failfast /sys/block/md0/md/rd0/state > /dev/null
then
die "failfast missing"
fi
mdadm -S $md0
# Assembling works with the failfast flag
mdadm -A $md0 $dev0 $dev1
check raid1
if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
then
die "failfast missing"
fi
# Adding works with the nofailfast flag
mdadm $md0 -f $dev0
mdadm $md0 -r $dev0
mdadm $md0 -a --nofailfast $dev0
check wait
if grep failfast /sys/block/md0/md/rd0/state > /dev/null
then
die "failfast should be missing"
fi
# Assembling with one faulty slave works with the failfast flag
mdadm $md0 -f $dev0
mdadm $md0 -r $dev0
mdadm -S $md0
mdadm -A $md0 $dev0 $dev1
check raid1
mdadm -S $md0
# Spare works with the failfast flag
mdadm -CR $md0 -e1.2 --level=raid1 --failfast -n2 $dev0 $dev1
check raid1
mdadm $md0 -a --failfast $dev2
check wait
check spares 1
if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
then
die "failfast missing"
fi
# Grow works with the failfast flag
mdadm -G $md0 --raid-devices=3
check wait
if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
then
die "failfast missing"
fi
mdadm -S $md0
exit 0