This patchset add new stress test cases for btrfs by running two
different btrfs operations simultaneously under fsstress to ensure
btrfs doesn't hang or oops in such situations. btrfs scrub and
btrfs check will be run after each test.
The test matrix is the combination of 6 btrfs operations:
balance
create/mount/umount/delete subvolume
replace device
scrub
defrag
remount with different compress algorithms
Short descriptions:
060: balance-subvolume
061: balance-scrub
062: balance-defrag
063: balance-remount
064: balance-replace
065: subvolume-replace
065: subvolume-scrub
067: subvolume-defrag
068: subvolume-remount
069: replace-scrub
070: replace-defrag
071: replace-remount
072: scrub-defrag
073: scrub-remount
074: defrag-remount
Some issues I've seen:
1. subvolume cannot be mounted with selinux context, so you may see
such logs in dmesg
SELinux: mount invalid. Same superblock, different security settings for
(dev dm-8, type btrfs)
I've reported the bug to btrfs list, see
[BUG] cannot mount subvolume with selinux context
http://www.spinics.net/lists/linux-btrfs/msg36779.html
2. btrfs replace operation always returns ENOENT if balance is running
So in 064.full you'll see
ERROR: ioctl(DEV_REPLACE_START) failed on "/mnt/testarea/scratch":
No such file or directory, no error
Not sure if it's btrfs bug, at least I think the error code is misleading
3. replace operation hangs the kernel(3.16-rc4+ and 3.17-rc2+) with fsstress
running
So case 065/069/070/071 will hang
4. scrub finds both correctable and uncorrectable errors in 071
I applied the patch manually which fixes the replace hang issue and 071
exposed this bug. RAID1 and RAID10 profile fail this test. single and
RAID0 seem fine.
071.full shows:
Scrub find errors in "-m raid1 -d raid0" test
scrub done for f4a0dd71-f738-454a-bcec-7f137927fda0
scrub started at Fri Sep 26 11:25:36 2014 and finished after 1 seconds
total bytes scrubbed: 56.00MiB with 2 errors
error details: csum=2
corrected errors: 0, uncorrectable errors: 2, unverified errors: 0
Scrub find errors in "-m raid1 -d raid1" test
scrub done for 2c6ee91f-926b-462b-a790-72c043ea260f
scrub started at Fri Sep 26 11:26:24 2014 and finished after 2 seconds
total bytes scrubbed: 114.58MiB with 8 errors
error details: csum=8
corrected errors: 8, uncorrectable errors: 0, unverified errors: 0
Scrub find errors in "-m raid10 -d raid10" test
scrub done for f3038bbd-5b0e-4651-9e0f-b9b7703fdf84
scrub started at Fri Sep 26 11:26:52 2014 and finished after 2 seconds
total bytes scrubbed: 104.90MiB with 7 errors
error details: csum=7
corrected errors: 7, uncorrectable errors: 0, unverified errors: 0
v5:
- fix a whitespace issue (mixed tab and space)
- rebase on top of current master(48c4543 generic: add dir fsync test) and
renumber starting from btrfs/060
v4: http://www.spinics.net/lists/linux-btrfs/msg37920.html
- do sanity check in _btrfs_stress_replace to check if the last device is free
- wait for replace operation to finish in 070 not defrag operation
v3: http://www.spinics.net/lists/linux-btrfs/msg37619.html
- mount subvolume at $TEST_DIR/$seq.mnt not $tmp.mnt
- don't rm -rf $tmp.* which is dangerous
- remove unnecessary btrfs filesystem sync operation
- update _scratch_pool_mkfs to deal with dup profile
- add more comments for each stress operation
- rename _btrfs_stress_remount to _btrfs_stress_remount_compress (hope it's
better...)
- add _btrfs_get_profile_configs to remove duplicated test case array in each
case
- use _require_scratch_nocheck and _check_scratch_fs after each loop
v2: http://www.spinics.net/lists/linux-btrfs/msg37071.html
- put common operations in common/rc as functions and share them across these
tests
- append mkfs options to _scratch_mkfs and _scratch_pool_mkfs instead of
updating $MKFS_OPTIONS
- rebase on top of master and re-number starting from btrfs/059
v1: http://www.spinics.net/lists/linux-btrfs/msg36859.html
Thanks,
Eryu Guan
Eryu Guan (15):
btrfs: new test to run btrfs balance and subvolume test simultaneously
btrfs: new test to run btrfs balance and scrub simultaneously
btrfs: new test to run btrfs balance and defrag operations simultaneously
btrfs: new case to run btrfs balance and remount with different compress
algorithms
btrfs: new case to run btrfs balance and device replace operations
simultaneously
btrfs: new case to run btrfs subvolume create/delete operations and device
replace simultaneously
btrfs: new case to run btrfs subvolume create/delete operations and scrub
simultaneously
btrfs: new case to run btrfs subvolume create/delete and defrag operations
simultaneously
btrfs: new case to run subvolume create/delete and remount with defferent
compress algorithms
btrfs: new case to run device replace and scrub operations simultaneously
btrfs: new case to run device replace and defrag operations simultaneously
btrfs: new case to run device replace and remount with different compress
algorithms simultaneously
btrfs: new case to run btrfs scrub and defrag operations simultaneously
btrfs: new case to run btrfs scrub and remount with different compress
algorithms simultaneously
btrfs: new case to run defrag and remount with different compress algorithms
simultaneously
common/rc | 226 +++++++++++++++++++++++++++++++++++++++++++++++++++-
tests/btrfs/060 | 115 ++++++++++++++++++++++++++
tests/btrfs/060.out | 2 +
tests/btrfs/061 | 114 ++++++++++++++++++++++++++
tests/btrfs/061.out | 2 +
tests/btrfs/062 | 116 +++++++++++++++++++++++++++
tests/btrfs/062.out | 2 +
tests/btrfs/063 | 114 ++++++++++++++++++++++++++
tests/btrfs/063.out | 2 +
tests/btrfs/064 | 122 ++++++++++++++++++++++++++++
tests/btrfs/064.out | 2 +
tests/btrfs/065 | 123 ++++++++++++++++++++++++++++
tests/btrfs/065.out | 2 +
tests/btrfs/066 | 115 ++++++++++++++++++++++++++
tests/btrfs/066.out | 2 +
tests/btrfs/067 | 117 +++++++++++++++++++++++++++
tests/btrfs/067.out | 2 +
tests/btrfs/068 | 116 +++++++++++++++++++++++++++
tests/btrfs/068.out | 2 +
tests/btrfs/069 | 123 ++++++++++++++++++++++++++++
tests/btrfs/069.out | 2 +
tests/btrfs/070 | 125 +++++++++++++++++++++++++++++
tests/btrfs/070.out | 2 +
tests/btrfs/071 | 123 ++++++++++++++++++++++++++++
tests/btrfs/071.out | 2 +
tests/btrfs/072 | 116 +++++++++++++++++++++++++++
tests/btrfs/072.out | 2 +
tests/btrfs/073 | 114 ++++++++++++++++++++++++++
tests/btrfs/073.out | 2 +
tests/btrfs/074 | 116 +++++++++++++++++++++++++++
tests/btrfs/074.out | 2 +
tests/btrfs/group | 15 ++++
32 files changed, 2036 insertions(+), 4 deletions(-)
create mode 100755 tests/btrfs/060
create mode 100644 tests/btrfs/060.out
create mode 100755 tests/btrfs/061
create mode 100644 tests/btrfs/061.out
create mode 100755 tests/btrfs/062
create mode 100644 tests/btrfs/062.out
create mode 100755 tests/btrfs/063
create mode 100644 tests/btrfs/063.out
create mode 100755 tests/btrfs/064
create mode 100644 tests/btrfs/064.out
create mode 100755 tests/btrfs/065
create mode 100644 tests/btrfs/065.out
create mode 100755 tests/btrfs/066
create mode 100644 tests/btrfs/066.out
create mode 100755 tests/btrfs/067
create mode 100644 tests/btrfs/067.out
create mode 100755 tests/btrfs/068
create mode 100644 tests/btrfs/068.out
create mode 100755 tests/btrfs/069
create mode 100644 tests/btrfs/069.out
create mode 100755 tests/btrfs/070
create mode 100644 tests/btrfs/070.out
create mode 100755 tests/btrfs/071
create mode 100644 tests/btrfs/071.out
create mode 100755 tests/btrfs/072
create mode 100644 tests/btrfs/072.out
create mode 100755 tests/btrfs/073
create mode 100644 tests/btrfs/073.out
create mode 100755 tests/btrfs/074
create mode 100644 tests/btrfs/074.out
--
1.8.3.1
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