On 07/31/2013 10:52 AM, Stefan Behrens wrote:
This test performs btrfs device replace tests with all possible profiles
(single/dup/mixed/raid0/raid1/raid10), one round with the '-r' option
to 'btrfs replace start' and one round without this option. The
cancelation is tested only once and with the dup/single profile for
metadata/data.
This test takes 181 seconds on my SSD equiped test box and 237s on
spinning disks. Almost all the time is spent when the filesystem is
populated with test data. The replace operation itself takes less than
a second for all the tests, except for the test that is marked as
'thorough' which will run for about 8 seconds on my test box.
The amount of tests done depends on the number of devices in the
SCRATCH_DEV_POOL. For full test coverage, at least 5 devices should
be available (e.g. 5 partitions). With less than 2 entries in
SCRATCH_DEV_POOL, the test is not executed.
The source and target devices for the replace operation are arbitrarily
chosen out of SCRATCH_DEV_POOl. Since the target device mustn't be
smaller than the source device, the requirement for this test is that
all devices have _exactly_ the same size. If this is not the case, the
test terminates with _notrun.
To check the filesystems after replacing a device, a scrub run is
performed, a btrfsck run, and finally the filesystem is remounted.
This commit depends on my other commit:
"xfstest: don't remove the two first devices from SCRATCH_DEV_POOL"
Signed-off-by: Stefan Behrens <sbehrens@xxxxxxxxxxxxxxxx>
---
V1 -> V2:
Major reworking in order to address all the comments from Eric Sandeen's
review.
common/config | 1 +
tests/btrfs/317 | 273 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/btrfs/317.out | 3 +
tests/btrfs/group | 1 +
4 files changed, 278 insertions(+)
Hey Stefan,
Thanks for submitting this patch. This patch had not been reviewed
before I pulled in commit aab6d4e
"xfstests: renumber existing btrfs tests to start with 1"
Will you please rebase this off the current xfstests tree.
Thanks
--Rich
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