Re: Geo-replication status is getting Faulty after few seconds

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Hi Anant,

i would first start checking if you can do ssh from all masters to the slave node.If you haven't setup a dedicated user for the session, then gluster is using root.

Best Regards,
Strahil Nikolov






В петък, 26 януари 2024 г. в 18:07:59 ч. Гринуич+2, Anant Saraswat <anant.saraswat@xxxxxxxxxxxxxx> написа: 







Hi All,




I have run the following commands on master3, and that has added master3 to geo-replication.




gluster system:: execute gsec_create

gluster volume geo-replication tier1data drtier1data::drtier1data create push-pem force

gluster volume geo-replication tier1data drtier1data::drtier1data stop

gluster volume geo-replication tier1data drtier1data::drtier1data start



Now I am able to start the geo-replication, but I am getting the same error.



[2024-01-24 19:51:24.80892] I [gsyncdstatus(monitor):248:set_worker_status] GeorepStatus: Worker Status Change [{status=Initializing...}]

[2024-01-24 19:51:24.81020] I [monitor(monitor):160:monitor] Monitor: starting gsyncd worker [{brick=/opt/tier1data2019/brick}, {slave_node=drtier1data}]

[2024-01-24 19:51:24.158021] I [resource(worker /opt/tier1data2019/brick):1387:connect_remote] SSH: Initializing SSH connection between master and slave...

[2024-01-24 19:51:25.951998] I [resource(worker /opt/tier1data2019/brick):1436:connect_remote] SSH: SSH connection between master and slave established. [{duration=1.7938}]

[2024-01-24 19:51:25.952292] I [resource(worker /opt/tier1data2019/brick):1116:connect] GLUSTER: Mounting gluster volume locally...

[2024-01-24 19:51:26.986974] I [resource(worker /opt/tier1data2019/brick):1139:connect] GLUSTER: Mounted gluster volume [{duration=1.0346}]

[2024-01-24 19:51:26.987137] I [subcmds(worker /opt/tier1data2019/brick):84:subcmd_worker] <top>: Worker spawn successful. Acknowledging back to monitor

[2024-01-24 19:51:29.139131] I [master(worker /opt/tier1data2019/brick):1662:register] _GMaster: Working dir [{path=/var/lib/misc/gluster/gsyncd/tier1data_drtier1data_drtier1data/opt-tier1data2019-brick}]

[2024-01-24 19:51:29.139531] I [resource(worker /opt/tier1data2019/brick):1292:service_loop] GLUSTER: Register time [{time=1706125889}]

[2024-01-24 19:51:29.173877] I [gsyncdstatus(worker /opt/tier1data2019/brick):281:set_active] GeorepStatus: Worker Status Change [{status=Active}]

[2024-01-24 19:51:29.174407] I [gsyncdstatus(worker /opt/tier1data2019/brick):253:set_worker_crawl_status] GeorepStatus: Crawl Status Change [{status=History Crawl}]

[2024-01-24 19:51:29.174558] I [master(worker /opt/tier1data2019/brick):1576:crawl] _GMaster: starting history crawl [{turns=1}, {stime=(1705935991, 0)}, {etime=1706125889}, {entry_stime=(1705935991, 0)}]

[2024-01-24 19:51:30.251965] I [master(worker /opt/tier1data2019/brick):1605:crawl] _GMaster: slave's time [{stime=(1705935991, 0)}]

[2024-01-24 19:51:30.376715] E [syncdutils(worker /opt/tier1data2019/brick):346:log_raise_exception] <top>: Gluster Mount process exited [{error=ENOTCONN}]

[2024-01-24 19:51:30.991856] I [monitor(monitor):228:monitor] Monitor: worker died in startup phase [{brick=/opt/tier1data2019/brick}]

[2024-01-24 19:51:30.993608] I [gsyncdstatus(monitor):248:set_worker_status] GeorepStatus: Worker Status Change [{status=Faulty}]

Any idea why it's stuck in this loop?



Thanks,

Anant





________________________________ 
From: Gluster-users <gluster-users-bounces@xxxxxxxxxxx> on behalf of Anant Saraswat <anant.saraswat@xxxxxxxxxxxxxx>
Sent: 22 January 2024 9:00 PM
To: gluster-users@xxxxxxxxxxx <gluster-users@xxxxxxxxxxx>
Subject:  Geo-replication status is getting Faulty after few seconds 
 


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Hi There,




We have a Gluster setup with three master nodes in replicated mode and one slave node with geo-replication.




# gluster volume info

Volume Name: tier1data

Type: Replicate

Volume ID: 93c45c14-f700-4d50-962b-7653be471e27

Status: Started

Snapshot Count: 0

Number of Bricks: 1 x 3 = 3

Transport-type: tcp

Bricks:

Brick1: master1:/opt/tier1data2019/brick

Brick2: master2:/opt/tier1data2019/brick

Brick3: master3:/opt/tier1data2019/brick





master1 |master2 |  ------------------------------geo-replication----------------------------- | drtier1datamaster3 |



We added the master3 node a few months back, the initial setup consisted of 2 master nodes and one geo-replicated slave(drtier1data).



Our geo-replication was functioning well with the initial two master nodes (master1 and master2), where master1 was active and master2 was in passive mode. However, today, we started experiencing issues where geo-replication suddenly stopped and became stuck in a loop of Initializing..., Active.. Faulty on master1, while master2 remained in passive mode.



Upon checking the gsyncd.log on the master1 node, we observed the following error (please refer to the attached logs for more details):

E [syncdutils(worker /opt/tier1data2019/brick):346:log_raise_exception] <top>: Gluster Mount process exited [{error=ENOTCONN}]



# gluster volume geo-replication tier1data status

MASTER NODE            MASTER VOL    MASTER BRICK                SLAVE USER    SLAVE                                            SLAVE NODE    STATUS             CRAWL STATUS    LAST_SYNCED          

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

master1    tier1data     /opt/tier1data2019/brick    root          ssh://drtier1data::drtier1data    N/A           Faulty           N/A             N/A                  

master2    tier1data     /opt/tier1data2019/brick    root          ssh://drtier1data::drtier1data                  Passive            N/A             N/A



Suspecting an issue on the drtier1data(slave)​, I attempted to restart Gluster on the slave node, also tried to restart drtier1data server without any luck.



After that I tried the following command to get the Primary-log-file for geo-replication on master1, and got the following error.



# gluster volume geo-replication tier1data drtier1data::drtier1data config log-file

Staging failed on master3. Error: Geo-replication session between tier1data and drtier1data::drtier1data does not exist.

geo-replication command failed




Master3 was the new node added a few months back, but geo-replication was working until today, and we never added this node under geo-replication.

After that, I forcefully stopped the geo-replication, thinking that restarting geo-replication might fix the issue. However, now the geo-replication is not starting and is giving the same error.

# gluster volume geo-replication tier1data drtier1data::drtier1data start force

Staging failed on master3. Error: Geo-replication session between tier1data and drtier1data::drtier1data does not exist.

geo-replication command failed

Can anyone please suggest what I should do next to resolve this issue? As there is 5TB of data in this volume, I don't want to resync the entire data to drtier1data. Instead, I want to resume the sync from where it last stopped.



Thanks in advance for any guidance/help.



Kind regards,

Anant

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