----- Original Message ----- > From: "William Brown" <[email protected]> > To: "General discussion list for the 389 Directory server project." > <[email protected]> > Sent: Friday, January 22, 2016 4:28:57 AM > Subject: [389-users] Re: multimaster replication -preventing clients writes > > On Thu, 2016-01-21 at 22:50 -0200, carne_de_passaro wrote: > > Hi, I don't know if it will perform well but, you can create an ACI > > on the > > top of the tree and negate writes for all, except the master 2 IP. > > > > The aci will replicate because this is MMR. >
Yes, but it will be evaluated as false only in master 2. So, master 2 will allow writes while in master 1, they will be forbidden. But I agree it could be nicer to have a read only replica. > > > > > Hi List, > > > I would like to know if there is a cfg option in a multimaster > > > replication > > > ( 2 servers both accept read-writes) to prevent users/clients > > > application > > > writes to one of the master without affecting the replication > > > agreements. > > > my env 389-ds 1.3.4.4 > > > Thank you > > > Isabella > > You are actually asking for a read only replica ... if a rw master > accepts no writes, it's a read only. If it accepts no writes it has > nothing to transmit back to the other master .... you want a read only > replica. > > > Otherwise, if you want rw masters, there is no reason to limit yourself > to writes only on one master. That's the point of the replication > protocol, to remove the point of failures in write targets. > > > -- > Sincerely, > > William Brown > Software Engineer > Red Hat, Brisbane > > > -- > 389 users mailing list > 389-users@%(host_name)s > http://lists.fedoraproject.org/admin/lists/[email protected] -- 389 users mailing list 389-users@%(host_name)s http://lists.fedoraproject.org/admin/lists/[email protected]
