[OpenSIPS-Users] need some help using opensips 3.0 cluster module .

[Sasmita Panda]

I need some clarification on cluster_mode and working_mode_preset parameter
.

modparam("usrloc", "location_cluster", 1)
modparam("usrloc", "working_mode_preset", "federation-cachedb-cluster")
modparam("usrloc", "cluster_mode", "federation-cachedb")
modparam("usrloc", "restart_persistency", "sync-from-cluster")
*1. metadata in mongoDB and exact AOR in opensips memory through which user
is registered  .  call work fine even when both registered through
different node .*

modparam("usrloc", "working_mode_preset", "full-sharing-cluster")
modparam("usrloc", "cluster_mode", "full-sharing")
modparam("usrloc", "restart_persistency", "sync-from-cluster")
*2. no metadata in mongoDB . AOR of user in opensips memory oly and synced
with each node . So call wont work when 2 user register through different
node . *

modparam("usrloc", "working_mode_preset", "full-sharing-cachedb-cluster")
modparam("usrloc", "cluster_mode", "full-sharing-cachedb")
*3. exact AOR in mongoDB . nothing exist in the opensips memory . This even
wont work when both user registered through different node . *

I was assuming things will work fine in every condition . but its not
working . Am I missing anything in the config so that its not working for
me in 2nd and 3rd scenario ?

In any of above case the data is not getting saved in the mysql DB . I
think it wont even get saved in mysql DB . when we use working_mode_preset
we cant use db_mode .

I think the 1st option is only preferable .  Is the 2nd and 3rd option has
this limitations ? Or I have to add something in the config as well to make
this work ?



*Thanks & Regards*
*Sasmita Panda*
*Senior Network Testing and Software Engineer*
*3CLogic , ph:07827611765*


On Wed, Jul 24, 2019 at 6:32 PM Liviu Chircu <liviu at opensips.org> wrote:

> On 24.07.2019 15:33, Sasmita Panda wrote:
>
> Questions :
> 1. In user location of mongo db , it saves the data of the user with the
> node IP . Its not the actual AOR of the user . Where does the actual AOR
> get saved ? Is that saved in the memory of opensips node only?
>
> Correct: the MongoDB only holds metadata, showing where the user is
> reachable from to all nodes.  The actual AoR is saved
> in OpenSIPS memory, which is then sync'ed to the local MySQL "location"
> table, for restart persistency purposes.  See
> the restart_persistency [1] modparam for more details.
>
>  2. As the cluster info is in the mysql DB  , If 1 node will get down ,
> then I have to update the DB immediately and restart the service ? OR that
> node will be disabled automatically no need of service restart ?
>
> No need to edit anything.  The cluster detects when a node is down and
> acts accordingly.
> The cluster nodes will keep sending "probing" pings, to detect when it
> comes back online.
>
> Regards,
> [1]:
> https://opensips.org/html/docs/modules/3.0.x/usrloc.html#param_restart_persistency
>
> Liviu Chircu
> OpenSIPS Developerhttp://www.opensips-solutions.com
>
>
>
> <https://opensips.org/html/docs/modules/3.0.x/usrloc.html#param_restart_persistency>
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