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Add test for changing devices

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Add a relatively small initial test for swapping devices around.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2023-03-14 11:38:38 -07:00
parent e7bd1b45dc
commit 2a6d827e7a
3 changed files with 104 additions and 0 deletions
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27
tests/golden/change-devices Normal file
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@@ -0,0 +1,27 @@
== make tmp sparse data dev files
== make scratch fs
== small new data device fails
rc: 1
== check sees data device errors
rc: 1
rc: 0
== preparing while mounted fails
rc: 1
== preparing without recovery fails
rc: 1
== check sees metadata errors
rc: 1
rc: 1
== preparing with file data fails
rc: 1
== preparing after emptied
rc: 0
== checks pass
rc: 0
rc: 0
== using prepared
== preparing larger and resizing
rc: 0
equal_prepared
large_prepared
resized larger test rc: 0

1
tests/sequence
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@@ -36,6 +36,7 @@ cross-mount-data-free.sh
persistent-item-vers.sh
setup-error-teardown.sh
resize-devices.sh
change-devices.sh
fence-and-reclaim.sh
orphan-inodes.sh
mount-unmount-race.sh

76
tests/tests/change-devices.sh Normal file
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@@ -0,0 +1,76 @@
#
# test changing devices
#
echo "== make tmp sparse data dev files"
sz=$(blockdev --getsize64 "$T_EX_DATA_DEV")
large_sz=$((sz * 2))
touch "$T_TMP."{small,equal,large}
truncate -s 1MB "$T_TMP.small"
truncate -s $sz "$T_TMP.equal"
truncate -s $large_sz "$T_TMP.large"
echo "== make scratch fs"
t_quiet scoutfs mkfs -f -Q 0,127.0.0.1,53000 "$T_EX_META_DEV" "$T_EX_DATA_DEV"
SCR="$T_TMPDIR/mnt.scratch"
mkdir -p "$SCR"
echo "== small new data device fails"
t_rc scoutfs prepare-empty-data-device "$T_EX_META_DEV" "$T_TMP.small"
echo "== check sees data device errors"
t_rc scoutfs prepare-empty-data-device --check "$T_EX_META_DEV" "$T_TMP.small"
t_rc scoutfs prepare-empty-data-device --check "$T_EX_META_DEV"
echo "== preparing while mounted fails"
mount -t scoutfs -o metadev_path=$T_EX_META_DEV,quorum_slot_nr=0 "$T_EX_DATA_DEV" "$SCR"
t_rc scoutfs prepare-empty-data-device "$T_EX_META_DEV" "$T_TMP.equal"
umount "$SCR"
echo "== preparing without recovery fails"
mount -t scoutfs -o metadev_path=$T_EX_META_DEV,quorum_slot_nr=0 "$T_EX_DATA_DEV" "$SCR"
umount -f "$SCR"
t_rc scoutfs prepare-empty-data-device "$T_EX_META_DEV" "$T_TMP.equal"
echo "== check sees metadata errors"
t_rc scoutfs prepare-empty-data-device --check "$T_EX_META_DEV"
t_rc scoutfs prepare-empty-data-device --check "$T_EX_META_DEV" "$T_TMP.equal"
echo "== preparing with file data fails"
mount -t scoutfs -o metadev_path=$T_EX_META_DEV,quorum_slot_nr=0 "$T_EX_DATA_DEV" "$SCR"
echo hi > "$SCR"/file
umount "$SCR"
scoutfs print "$T_EX_META_DEV" > "$T_TMP.print"
t_rc scoutfs prepare-empty-data-device "$T_EX_META_DEV" "$T_TMP.equal"
echo "== preparing after emptied"
mount -t scoutfs -o metadev_path=$T_EX_META_DEV,quorum_slot_nr=0 "$T_EX_DATA_DEV" "$SCR"
rm -f "$SCR"/file
umount "$SCR"
t_rc scoutfs prepare-empty-data-device "$T_EX_META_DEV" "$T_TMP.equal"
echo "== checks pass"
t_rc scoutfs prepare-empty-data-device --check "$T_EX_META_DEV"
t_rc scoutfs prepare-empty-data-device --check "$T_EX_META_DEV" "$T_TMP.equal"
echo "== using prepared"
scr_loop=$(losetup --find --show "$T_TMP.equal")
mount -t scoutfs -o metadev_path=$T_EX_META_DEV,quorum_slot_nr=0 "$scr_loop" "$SCR"
touch "$SCR"/equal_prepared
equal_tot=$(scoutfs statfs -s total_data_blocks -p "$SCR")
umount "$SCR"
losetup -d "$scr_loop"
echo "== preparing larger and resizing"
t_rc scoutfs prepare-empty-data-device "$T_EX_META_DEV" "$T_TMP.large"
scr_loop=$(losetup --find --show "$T_TMP.large")
mount -t scoutfs -o metadev_path=$T_EX_META_DEV,quorum_slot_nr=0 "$scr_loop" "$SCR"
touch "$SCR"/large_prepared
ls "$SCR"
scoutfs resize-devices -p "$SCR" -d $large_sz
large_tot=$(scoutfs statfs -s total_data_blocks -p "$SCR")
test "$large_tot" -gt "$equal_tot" ; echo "resized larger test rc: $?"
umount "$SCR"
losetup -d "$scr_loop"
t_pass