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#!/bin/sh
#
# Storage/fs tests.
#
# Done:
# - RAID0/1/5
# - EXT4, XFS, BTRFS
#
# TODO:
# - RAID6/RAID10
# - btrfs raid.
# - LVM
# - dmcrypt
# - dmraid
DISK1=sdb1
DISK2=sdc1
DISK3=sdd1
DISK4=
MD=md0
TARGET=/mnt/test
#############################################################################################
TAINT=$(cat /proc/sys/kernel/tainted)
check_tainted()
{
if [ "$(cat /proc/sys/kernel/tainted)" != $TAINT ]; then
echo ERROR: Taint flag changed $(cat /proc/sys/kernel/tainted)
exit
fi
}
#############################################################################################
# setup/teardown helper routines.
# Clear the first part of the disks to make mdadm not complain on subsequent creations.
wipedisks()
{
wipefs -a /dev/$DISK1 &
if [ "$DISK2" != "" ]; then
wipefs -a /dev/$DISK2 &
fi
if [ "$DISK3" != "" ]; then
wipefs -a /dev/$DISK3 &
fi
if [ "$DISK4" != "" ]; then
wipefs -a /dev/$DISK4 &
fi
wait
echo Cleared filesystem structures.
}
stopraid()
{
mdadm --manage --stop /dev/md/$MD
echo stopped $MD
}
erase_mountpoint()
{
find $TARGET -mount -exec rm -rf {} \; &
wait
sync
}
#############################################################################################
# RAID 0 creation helpers
raid0_2()
{
echo "Testing RAID0 (2 disks)"
mdadm --create -f --run $MD --level 0 --raid-devices 2 --rounding 64 /dev/$DISK1 /dev/$DISK2
echo created RAID0
}
raid0_3()
{
echo "Testing RAID0 (3 disks)"
mdadm --create -f --run $MD --level 0 --raid-devices 3 --rounding 64 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3
echo created RAID0
}
raid0_4()
{
echo "Testing RAID0 (4 disks)"
mdadm --create -f --run $MD --level 0 --raid-devices 4 --rounding 64 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3 /dev/$DISK4
echo created RAID0
}
#############################################################################################
# RAID 1 creation helpers
raid1_2()
{
echo "Testing RAID1 (2 disks)"
mdadm --create -f --run $MD --level 1 --raid-devices 2 /dev/$DISK1 /dev/$DISK2
echo created RAID1
}
raid1_3()
{
echo "Testing RAID1 (3 disks)"
mdadm --create -f --run $MD --level 1 --raid-devices 3 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3
echo created RAID1
}
raid1_4()
{
echo "Testing RAID1 (4 disks)"
mdadm --create -f --run $MD --level 1 --raid-devices 3 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3 /dev/$DISK4
echo created RAID1
}
#############################################################################################
# RAID 5 creation helpers
raid5_3()
{
echo "Testing RAID5 (3 disks)"
mdadm --create -f --run $MD --level 5 --raid-devices 3 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3
echo created RAID5
}
raid5_3_missing()
{
echo "Testing RAID5 (3 disks + 1 missing)"
mdadm --create -f --run $MD --level 5 --raid-devices 4 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3 missing
echo created RAID5
}
raid5_4()
{
echo "Testing RAID5 (4 disks)"
mdadm --create -f --run $MD --level 5 --raid-devices 4 /dev/$DISK1 /dev/$DISK2 /dev/$DISK3 /dev/$DISK4
echo created RAID5
}
#############################################################################################
# Instantiate a storage type
# 1 disk tests
setup_1disk()
{
wipedisks
case "$1" in
1) mkfs.btrfs -f /dev/$DISK1
;;
2) mkfs.ext4 -F -q /dev/$DISK1
;;
3) mkfs.ext4 -F -q -b 1024 /dev/$DISK1
;;
4) mkfs.xfs -f -q /dev/$DISK1
;;
esac
mount /dev/$DISK1 $TARGET
}
NUM_1DISK_TYPES=4
teardown_1disk()
{
erase_mountpoint
umount $TARGET
}
# 2 disk tests
setup_2disks()
{
wipedisks
case "$1" in
1) raid0_2
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
2) raid0_2
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
3) raid0_2
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
4) raid0_2
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
5) raid1_2
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
6) raid1_2
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
7) raid1_2
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
8) raid1_2
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
esac
}
NUM_2DISK_TYPES=8
teardown_2disks()
{
erase_mountpoint
case "$1" in
*)
umount $TARGET
stopraid
;;
esac
}
#############################################################################################
# 3 disk tests
setup_3disks()
{
wipedisks
case "$1" in
1) raid0_3
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
2) raid0_3
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
3) raid0_3
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
4) raid0_3
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
5) raid1_3
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
6) raid1_3
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
7) raid1_3
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
8) raid1_3
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
9) raid5_3
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
10) raid5_3
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
11) raid5_3
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
12) raid5_3
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
13) raid5_3_missing
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
14) raid5_3_missing
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
15) raid5_3_missing
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
16) raid5_3_missing
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
esac
}
NUM_3DISK_TYPES=16
teardown_3disks()
{
erase_mountpoint
case "$1" in
*)
umount $TARGET
stopraid
;;
esac
}
#############################################################################################
# 4 disk tests
setup_4disks()
{
wipedisks
case "$1" in
1) raid0_4
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
2) raid0_4
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
3) raid0_4
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
4) raid0_4
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
5) raid1_4
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
6) raid1_4
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
7) raid1_4
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
8) raid1_4
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
9) raid5_4
mkfs.btrfs -f /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
10) raid5_4
mkfs.ext4 -F -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
11) raid5_4
mkfs.ext4 -F -q -b 1024 /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
12) raid5_4
mkfs.xfs -f -q /dev/md/$MD
mount /dev/md/$MD $TARGET
;;
esac
}
NUM_4DISK_TYPES=12
teardown_4disks()
{
erase_mountpoint
case "$1" in
*)
umount $TARGET
stopraid
;;
esac
}
#############################################################################################
# Call the various fs stress programs.
do_tests()
{
if [ -f $TARGET/NOT-MOUNTED ]; then
echo something went wrong during mount
exit
fi
pushd $TARGET >/dev/null
/usr/local/bin/fsx -N 250000 -S0 foo
if [ $? -ne 0 ]; then
echo something bad.
exit
fi
/usr/local/bin/fsstress -d . -n 15000 -p 8 -r
if [ $? -ne 0 ]; then
echo something bad.
exit
fi
check_tainted
popd >/dev/null
}
#############################################################################################
# main()
# 1 disk tests
for test in $(seq 1 $NUM_1DISK_TYPES)
do
echo "doing 1 disk test "$test"/"$NUM_1DISK_TYPES
setup_1disk $test
do_tests
teardown_1disk $test
echo
done
# 2 disk tests
if [ "$DISK2" != "" ]; then
for test in $(seq 1 $NUM_2DISK_TYPES)
do
echo "doing 2 disk test "$test"/"$NUM_2DISK_TYPES
setup_2disks $test
do_tests
teardown_2disks $test
echo
done
fi
# 3 disk tests
if [ "$DISK3" != "" ]; then
for test in $(seq 1 $NUM_3DISK_TYPES)
do
echo "doing 3 disk test "$test"/"$NUM_3DISK_TYPES
setup_3disks $test
do_tests
teardown_3disks $test
echo
done
fi
# 4 disk tests
if [ "$DISK4" != "" ]; then
for test in $(seq 1 $NUM_4DISK_TYPES)
do
echo "doing 4 disk test "$test"/"$NUM_4DISK_TYPES
setup_4disks $test
do_tests
teardown_4disks $test
echo
done
fi
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