[Gluster-users] add geo-replication "passive" node after node replacement

[Kotresh Hiremath Ravishankar]

Hi,

When S3 is added to master volume from new node, the following cmd should
be run to generate and distribute ssh keys

1. Generate ssh keys from new node

       #gluster system:: execute gsec_create

2. Push those ssh keys of new node to slave

      #gluster vol geo-rep <mastervol> <slavehost>::<slavevol> create
push-pem force

3. Stop and start geo-rep


But note that while removing brick and adding a brick, you should make sure
the data from the brick being removed is synced
to slave.

Thanks,
Kotresh HR





On Wed, Feb 7, 2018 at 4:21 PM, Stefano Bagnara <lists at bago.org> wrote:

> Hi all,
>
> i had a replica 2 gluster 3.12 between S1 and S2 (1 brick per node)
> geo-replicated to S5 where both S1 and S2 were visible in the
> geo-replication status and S2 "active" while S1 "passive".
>
> I had to replace S1 with S3, so I did an
> "add-brick  replica 3 S3"
> and then
> "remove-brick replica 2 S1".
>
> Now I have again a replica 2 gluster between S3 and S2 but the
> geo-replica only show S2 as active and no other peer involved. So it
> seems S3 does not know about the geo-replica and it is not ready to
> geo-replicate in case S2 goes down.
>
> Here was the original geo-rep status
>
> # gluster volume geo-replication status
>
> MASTER NODE    MASTER VOL    MASTER BRICK       SLAVE USER    SLAVE
>                            SLAVE NODE    STATUS     CRAWL STATUS
> LAST_SYNCED
> ------------------------------------------------------------
> ------------------------------------------------------------
> ----------------------------------------
> S2     sharedvol     /home/sharedvol    root
> ssh://S5::sharedvolslave    S5    Passive    N/A                N/A
> S1     sharedvol     /home/sharedvol    root
> ssh://S5::sharedvolslave    S5    Active     Changelog Crawl
> 2018-02-07 10:18:57
>
> Here is the new geo-replication stauts
>
> # gluster volume geo-replication status
>
> MASTER NODE    MASTER VOL    MASTER BRICK       SLAVE USER    SLAVE
>                            SLAVE NODE    STATUS    CRAWL STATUS
> LAST_SYNCED
> ------------------------------------------------------------
> ------------------------------------------------------------
> ---------------------------------------
> S2     sharedvol     /home/sharedvol    root
> ssh://S5::sharedvolslave    S5    Active    Changelog Crawl
> 2018-02-07 11:48:31
>
>
> How can I add S3 as a passive node in the geo-replica to S5 ??
>
> Thank you,
> Stefano
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://lists.gluster.org/mailman/listinfo/gluster-users
>



-- 
Thanks and Regards,
Kotresh H R
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20180207/46c2a38e/attachment.html>