[Gluster-users] Split brain?

[Pranith Kumar Karampuri]

You need to follow the steps to understand and resolve split-brains:

https://github.com/gluster/glusterfs/blob/master/doc/debugging/split-brain.md
https://github.com/gluster/glusterfs-specs/blob/master/done/Features/heal-info-and-split-brain-resolution.md

Feel free to let us know if you have any doubts. If you do not want to 
run into any split-brains please use arbiter based configuration or 3 
way replication

Pranith
On 02/09/2016 10:06 PM, Rodolfo Gonzalez wrote:
> Sure:
>
> administrador at data4:~$ sudo gluster volume heal data info
> [sudo] password for administrador:
> Brick data1:/data/
> /path/Report5.csv - Is in split-brain
>
> Number of entries: 1
>
> Brick data2:/data/
> /path/Report5.csv - Is in split-brain
>
> Number of entries: 1
>
> Brick data3:/data
> Status: El otro extremo de la conexión no está conectado
>
> Brick data4:/data/
> <gfid:ee7c50a7-77a5-43cf-8acb-ea67c7bd06e0>
> <gfid:76956621-078e-4859-96b5-199ccf245610>
> <gfid:19fb5dcf-3771-4efd-b0e0-80d6fdf6837e>
> <gfid:44f45e35-ae2e-4e8b-91e4-836ca426d004>
> <gfid:1aa5d5c5-b735-488a-9bcc-7d939c405ea6>
> <gfid:5fa1e144-f56e-49fa-b3b0-cec6796dda50>
> <gfid:f50c8edb-464a-4878-8c09-e75830fb8773>
> <gfid:c84ec958-b88f-4eef-9318-4504a8c06c80>
> <gfid:b95c8bb1-2b63-4964-a39b-03ade7812e4f>
> <gfid:99b5ce45-9535-4efb-a360-311dee709343>
> <gfid:7291abcf-6d18-4906-9807-2e9bd43c5706>
> <gfid:502f4502-bb19-4af9-9b0d-bb0eb842c009>
> <gfid:1c18cbc1-a1d5-4192-9826-ddab7a0a5949>
> <gfid:0fba09e1-cddf-408e-acd9-e4d959c80273>
> <gfid:3191fd2c-e4ce-43aa-857e-8458b76e15a0>
> <gfid:312a3621-5312-4dfa-9e80-7eb15a2c7453>
> <gfid:658ec55e-68b7-4ee8-8770-7cce67e3ed0b>
> <gfid:932417bd-6164-41a5-bc66-cb6010a7d720>
> <gfid:7c401c50-e24f-42a2-92c6-b724b5d7e366>
> <gfid:6622d13f-d127-45d0-b84a-2bd763f723d7>
> ... (tons more)
>
>
>
> 2016-02-08 23:47 GMT-06:00 Pranith Kumar Karampuri 
> <pkarampu at redhat.com <mailto:pkarampu at redhat.com>>:
>
>
>
>     On 02/08/2016 09:05 PM, Rodolfo Gonzalez wrote:
>>     Hello, I think that I have a split-brain issue in a
>>     replicated-striped gluster cluster with 4 bricks: brick1+brick2
>>     - brick3+brick4
>>
>>     In both brick3 and brick4 I'm getting these kind of messages:
>>
>>     [2016-02-08 15:01:49.720343] E
>>     [afr-self-heal-entry.c:246:afr_selfheal_detect_gfid_and_type_mismatch]
>>     0-data-replicate-1: Gfid mismatch detected for
>>     <572624f9-6752-44c4-b403-d1775dc7ea0d/Report.csv>,
>>     05dabf44-56aa-471f-a898-02ce225d31b0 on data-client-3 and
>>     1cf52b86-6c69-4483-8f17-686f50b3f316 on data-client-2. Skipping
>>     conservative merge on the file.
>>
>>     gluster volumen status show 4 bricks online and no errors.
>>     gluster peer status shows all 4 bricks connected. bricks 2 and 1
>>     show no errors. Gluster version is 3.6.8 in all 4 servers.
>>
>>     How can this be solved? Any help is appreciated :)
>
>     Could you give "gluster volume heal <volname> info" output?
>
>     Pranith
>>
>>     Thank you.
>>
>>
>>     _______________________________________________
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>
>

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