[Gluster-Maintainers] [Gluster-devel] Release 5: Master branch health report (Week of 30th July)

Thu Aug 2 11:35:48 UTC 2018

On Thu, Aug 2, 2018 at 4:37 PM Kotresh Hiremath Ravishankar <
khiremat at redhat.com> wrote:

>
>
> On Thu, Aug 2, 2018 at 3:49 PM, Xavi Hernandez <xhernandez at redhat.com>
> wrote:
>
>> On Thu, Aug 2, 2018 at 6:14 AM Atin Mukherjee <amukherj at redhat.com>
>> wrote:
>>
>>>
>>>
>>> On Tue, Jul 31, 2018 at 10:11 PM Atin Mukherjee <amukherj at redhat.com>
>>> wrote:
>>>
>>>> I just went through the nightly regression report of brick mux runs and
>>>> here's what I can summarize.
>>>>
>>>>
>>>> =========================================================================================================================================================================
>>>> Fails only with brick-mux
>>>>
>>>> =========================================================================================================================================================================
>>>> tests/bugs/core/bug-1432542-mpx-restart-crash.t - Times out even after
>>>> 400 secs. Refer
>>>> https://fstat.gluster.org/failure/209?state=2&start_date=2018-06-30&end_date=2018-07-31&branch=all,
>>>> specifically the latest report
>>>> https://build.gluster.org/job/regression-test-burn-in/4051/consoleText
>>>> . Wasn't timing out as frequently as it was till 12 July. But since 27
>>>> July, it has timed out twice. Beginning to believe commit
>>>> 9400b6f2c8aa219a493961e0ab9770b7f12e80d2 has added the delay and now 400
>>>> secs isn't sufficient enough (Mohit?)
>>>>
>>>> tests/bugs/glusterd/add-brick-and-validate-replicated-volume-options.t
>>>> (Ref -
>>>> https://build.gluster.org/job/regression-test-with-multiplex/814/console)
>>>> -  Test fails only in brick-mux mode, AI on Atin to look at and get back.
>>>>
>>>> tests/bugs/replicate/bug-1433571-undo-pending-only-on-up-bricks.t (
>>>> https://build.gluster.org/job/regression-test-with-multiplex/813/console)
>>>> - Seems like failed just twice in last 30 days as per
>>>> https://fstat.gluster.org/failure/251?state=2&start_date=2018-06-30&end_date=2018-07-31&branch=all.
>>>> Need help from AFR team.
>>>>
>>>> tests/bugs/quota/bug-1293601.t (
>>>> https://build.gluster.org/job/regression-test-with-multiplex/812/console)
>>>> - Hasn't failed after 26 July and earlier it was failing regularly. Did we
>>>> fix this test through any patch (Mohit?)
>>>>
>>>> tests/bitrot/bug-1373520.t - (
>>>> https://build.gluster.org/job/regression-test-with-multiplex/811/console)
>>>> - Hasn't failed after 27 July and earlier it was failing regularly. Did we
>>>> fix this test through any patch (Mohit?)
>>>>
>>>
>>> I see this has failed in day before yesterday's regression run as well
>>> (and I could reproduce it locally with brick mux enabled). The test fails
>>> in healing a file within a particular time period.
>>>
>>> *15:55:19* not ok 25 Got "0" instead of "512", LINENUM:55*15:55:19* FAILED COMMAND: 512 path_size /d/backends/patchy5/FILE1
>>>
>>> Need EC dev's help here.
>>>
>>
>> I'm not sure where the problem is exactly. I've seen that when the test
>> fails, self-heal is attempting to heal the file, but when the file is
>> accessed, an Input/Output error is returned, aborting heal. I've checked
>> that a heal is attempted every time the file is accessed, but it fails
>> always. This error seems to come from bit-rot stub xlator.
>>
>> When in this situation, if I stop and start the volume, self-heal
>> immediately heals the files. It seems like an stale state that is kept by
>> the stub xlator, preventing the file from being healed.
>>
>> Adding bit-rot maintainers for help on this one.
>>
>
> Bitrot-stub marks the file as corrupted in inode_ctx. But when the file
> and it's hardlink are deleted from that brick and a lookup is done
> on the file, it cleans up the marker on getting ENOENT. This is part of
> recovery steps, and only md-cache is disabled during the process.
> Is there any other perf xlators that needs to be disabled for this
> scenario to expect a lookup/revalidate on the brick where
> the back end file is deleted?
>

But the same test doesn't fail with brick multiplexing not enabled. Do we
know why?

>
>> Xavi
>>
>>
>>
>>>
>>>> tests/bugs/glusterd/remove-brick-testcases.t - Failed once with a core,
>>>> not sure if related to brick mux or not, so not sure if brick mux is
>>>> culprit here or not. Ref -
>>>> https://build.gluster.org/job/regression-test-with-multiplex/806/console
>>>> . Seems to be a glustershd crash. Need help from AFR folks.
>>>>
>>>>
>>>> =========================================================================================================================================================================
>>>> Fails for non-brick mux case too
>>>>
>>>> =========================================================================================================================================================================
>>>> tests/bugs/distribute/bug-1122443.t 0 Seems to be failing at my setup
>>>> very often, with out brick mux as well. Refer
>>>> https://build.gluster.org/job/regression-test-burn-in/4050/consoleText
>>>> . There's an email in gluster-devel and a BZ 1610240 for the same.
>>>>
>>>> tests/bugs/bug-1368312.t - Seems to be recent failures (
>>>> https://build.gluster.org/job/regression-test-with-multiplex/815/console)
>>>> - seems to be a new failure, however seen this for a non-brick-mux case too
>>>> -
>>>> https://build.gluster.org/job/regression-test-burn-in/4039/consoleText
>>>> . Need some eyes from AFR folks.
>>>>
>>>> tests/00-geo-rep/georep-basic-dr-tarssh.t - this isn't specific to
>>>> brick mux, have seen this failing at multiple default regression runs.
>>>> Refer
>>>> https://fstat.gluster.org/failure/392?state=2&start_date=2018-06-30&end_date=2018-07-31&branch=all
>>>> . We need help from geo-rep dev to root cause this earlier than later
>>>>
>>>> tests/00-geo-rep/georep-basic-dr-rsync.t - this isn't specific to brick
>>>> mux, have seen this failing at multiple default regression runs. Refer
>>>> https://fstat.gluster.org/failure/393?state=2&start_date=2018-06-30&end_date=2018-07-31&branch=all
>>>> . We need help from geo-rep dev to root cause this earlier than later
>>>>
>>>> tests/bugs/glusterd/validating-server-quorum.t (
>>>> https://build.gluster.org/job/regression-test-with-multiplex/810/console)
>>>> - Fails for non-brick-mux cases too,
>>>> https://fstat.gluster.org/failure/580?state=2&start_date=2018-06-30&end_date=2018-07-31&branch=all
>>>> .  Atin has a patch https://review.gluster.org/20584 which resolves it
>>>> but patch is failing regression for a different test which is unrelated.
>>>>
>>>> tests/bugs/replicate/bug-1586020-mark-dirty-for-entry-txn-on-quorum-failure.t
>>>> (Ref -
>>>> https://build.gluster.org/job/regression-test-with-multiplex/809/console)
>>>> - fails for non brick mux case too -
>>>> https://build.gluster.org/job/regression-test-burn-in/4049/consoleText
>>>> - Need some eyes from AFR folks.
>>>>
>>>
>
>
> --
> Thanks and Regards,
> Kotresh H R
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