Gfid mismatch detected - but no split brain - how to solve?

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hi Guys

I'm seeing "Gfid mismatch detected" in the logs but no split
brain indicated (4-way replica)

Brick
swir-ring8:/__.aLocalStorages/0/0-GLUSTERs/0GLUSTER.USER-HOME
Status: Connected
Total Number of entries: 22
Number of entries in heal pending: 22
Number of entries in split-brain: 0
Number of entries possibly healing: 0

Brick
whale-ring8:/__.aLocalStorages/0/0-GLUSTERs/0GLUSTER.USER-HOME
Status: Connected
Total Number of entries: 22
Number of entries in heal pending: 22
Number of entries in split-brain: 0
Number of entries possibly healing: 0

Brick
rider-ring8:/__.aLocalStorages/0/0-GLUSTERs/0GLUSTER.USER-HOME
Status: Connected
Total Number of entries: 0
Number of entries in heal pending: 0
Number of entries in split-brain: 0
Number of entries possibly healing: 0

Brick dzien:/__.aLocalStorages/0/0-GLUSTERs/0GLUSTER.USER-HOME
Status: Connected
Total Number of entries: 10
Number of entries in heal pending: 10
Number of entries in split-brain: 0
Number of entries possibly healing: 0

On swir-ring8:
...
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:bea05f85-a20e-4cbf-9e41-5e351f99b396>/lock_file>,
37b2456f-5216-4679-ac5c-4908b24f895a on USER-HOME-client-15
and ba8f87ed-9bf3-404e-8d67-2631923e1645 on
USER-HOME-client-13." repeated 2 times between [2020-05-29
21:47:49.034935] and [2020-05-29 21:47:49.079480]
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:a8a084b9-6484-48be-bec7-e704cf5ab880>/t>,
d7a4ed01-139b-4df3-8070-31bd620a6f15 on USER-HOME-client-15
and d794b6ba-2a1d-4043-bb31-b98b22692763 on
USER-HOME-client-13." repeated 2 times between [2020-05-29
21:47:49.126173] and [2020-05-29 21:47:49.155432]
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:1f686fba-e325-4539-bf48-94b06325d2f4>/Tables.docx>,
344febd8-c89c-4bf3-8ad8-6494c2189c43 on USER-HOME-client-15
and 48d5b12b-03f4-46bf-bed1-9f8f88815615 on
USER-HOME-client-13." repeated 2 times between [2020-05-29
21:47:49.194061] and [2020-05-29 21:47:49.239896]
The message "E [MSGID: 108008]
[afr-self-heal-entry.c:257:afr_selfheal_detect_gfid_and_type_mismatch]
0-USER-HOME-replicate-0: Skipping conservative merge on the
file." repeated 8 times between [2020-05-29 21:47:49.037812]
and [2020-05-29 21:47:49.240423]
...

On whale-ring8:
...
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:e57771ac-c18d-44fe-81ff-6e9072d9c9ef>/pcs>,
a83d0e5f-ef3a-40ab-be7b-784538d150be on USER-HOME-client-15
and 89af3d31-81fa-4242-b8f7-0f49fd5fe57b on
USER-HOME-client-13." repeated 2 times between [2020-05-29
21:45:46.152052] and [2020-05-29 21:45:46.422393]
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:e57771ac-c18d-44fe-81ff-6e9072d9c9ef>/history_database>,
81ebb0d5-264a-4eba-984a-e18673b43826 on USER-HOME-client-15
and 2498a303-8937-43c3-939e-5e1d786b07fa on
USER-HOME-client-13." repeated 2 times between [2020-05-29
21:45:46.167704] and [2020-05-29 21:45:46.437702]
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:e57771ac-c18d-44fe-81ff-6e9072d9c9ef>/client-state>,
fe86c057-c74d-417f-9c2c-6e6eb9778851 on USER-HOME-client-15
and a66f2714-c2a0-4bdc-8786-ad5b93e0e988 on
USER-HOME-client-13." repeated 2 times between [2020-05-29
21:45:46.144242] and [2020-05-29 21:45:46.442526]
The message "E [MSGID: 108008]
[afr-self-heal-common.c:384:afr_gfid_split_brain_source]
0-USER-HOME-replicate-0: Gfid mismatch detected for
<gfid:e57771ac-c18d-44fe-81ff-6e9072d9c9ef>/history_database.1>,
9826d8ad-fecc-4dd7-bc1f-87d0eff23d73 on USER-HOME-client-15
and 81ebb0d5-264a-4eba-984a-e18673b43826 on
USER-HOME-client-13." repeated 3 times between [2020-05-29
21:45:46.162016] and [2020-05-29 21:45:46.476935]
...

On rider-ring8:
...
2020-05-29 21:46:53.122929] E [MSGID: 114031]
[client-rpc-fops_v2.c:1548:client4_0_xattrop_cbk]
0-QEMU_VMs-client-3: remote operation failed. Path:
<gfid:6f01098f-e8db-4f63-a661-86b4d02d937f>
(6f01098f-e8db-4f63-a661-86b4d02d937f) [Permission denied]
[2020-05-29 21:46:53.124148] E [MSGID: 114031]
[client-rpc-fops_v2.c:1548:client4_0_xattrop_cbk]
0-QEMU_VMs-client-4: remote operation failed. Path:
<gfid:6f01098f-e8db-4f63-a661-86b4d02d937f>
(6f01098f-e8db-4f63-a661-86b4d02d937f) [Permission denied]
[2020-05-29 21:46:53.133566] I [MSGID: 108026]
[afr-self-heal-entry.c:898:afr_selfheal_entry_do]
0-QEMU_VMs-replicate-0: performing entry selfheal on
e0121f76-2452-44dc-b1a6-82b46cc9ec79
[2020-05-29 21:46:53.145991] E [MSGID: 114031]
[client-rpc-fops_v2.c:1548:client4_0_xattrop_cbk]
0-QEMU_VMs-client-3: remote operation failed. Path:
<gfid:3f0239ac-e027-4a0c-b271-431e76ad97b1>
(3f0239ac-e027-4a0c-b271-431e76ad97b1) [Permission denied]
[2020-05-29 21:46:53.147110] E [MSGID: 114031]
[client-rpc-fops_v2.c:1548:client4_0_xattrop_cbk]
0-QEMU_VMs-client-4: remote operation failed. Path:
<gfid:3f0239ac-e027-4a0c-b271-431e76ad97b1>
(3f0239ac-e027-4a0c-b271-431e76ad97b1) [Permission denied]

The most recent data I'm 100% certain is on rider-ring8.
Any expert could probably quickly suggest how to go about
the problem.
Would something like manual healing with 'source-brick' or
'latest-mtime' work or is too naive?

many thanks, L.


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