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Antw: Re: n-way multi master and mirror mode
>>> Quanah Gibson-Mount <quanah@symas.com> schrieb am 03.12.2016 um 22:28 in
Nachricht <4C4BC30AC646B3691A58116E@[192.168.1.19]>:
> --On Saturday, December 03, 2016 3:13 PM -0500 Brendan Kearney
> <bpk678@gmail.com> wrote:
>
>> i have a n-way multi master replicated directory, and i currently have
>> mirror mode turned on. i am getting events in my logs about deferring
>> operations (too many executing, etc) and want to know if i am causing
>> these with mirror mode. the reading i am able to do on the topic seems
>> to indicate that mirror mode is only necessary in provider/consumer
>> replication, but i wanted to clarify that. is mirror mode necessary for
>> n-way multi master replication? am i safe to turn it off, if it not
>> needed?
>
> Mirror-Mode is a concept that has nothing to do with OpenLDAP configuration
> in and of itself. The parameter in slapd.conf/cn=config is badly misnamed.
> Either your servers are configured for multi-master replication, or they
> aren't.
>
> Mirror mode is simply where you put a load balancer or similar device in
> front of your LDAP servers and direct write traffic to only one
> multi-master configured node at a time.
Let me add that in SLES11 the YAST admin tool only manages users if you defined a mirror mode, even if the LDAP server is on the same host. So you still need it there.
>
> See also <http://www.openldap.org/its/index.cgi/?findid=8511>.
>
> Regards,
> Quanah
>
>
> --
>
> Quanah Gibson-Mount
> Product Architect
> Symas Corporation
> Packaged, certified, and supported LDAP solutions powered by OpenLDAP:
> <http://www.symas.com>