[Date Prev][Date Next]
[Chronological]
[Thread]
[Top]
Re: OpenLDAP 2.4.15 : CSN too old when using 4-way multimaster
Le vendredi 27 février 2009 18:37:33, Quanah Gibson-Mount a écrit :
> --On Friday, February 27, 2009 3:43 PM +0100 Adrien Futschik
>
> <adrien.futschik@atosorigin.com> wrote:
> > Hello everyone,
> >
> > I also have to say that if I stop M3 & M4 and try to add entries to M1 &
> > M2, I don't get the "CSN too old" messages and all entries a replicated
> > correctly !!!
> >
> > Is this because Multimaster is limited to 2-3 instances ? The reason why
> > I am trying to build a 4-way master architecture is because I would like
> > to be able to stop one server and perform a slapcat, even if one
> > "physical" server is down...
>
> N-Way means for any value of N. So 4 should work just fine. Are all 4 of
> your servers tightly synchronized, time-wise? I.e., using ntp to make sure
> their clocks all agree?
>
> --Quanah
>
> --
>
> Quanah Gibson-Mount
> Principal Software Engineer
> Zimbra, Inc
> --------------------
> Zimbra :: the leader in open source messaging and collaboration
Yes, they are synchronized with NTP !