Thanks Thomas for very prompt answer. >> we are building Xen virtual machine failover system using heartbeat 2.1.3 >> (v1 config style - 2 node cluster setup) on CentOS 5.2. > >Make your life easier and use hb2 with crm.
Our problem is if we would later on want to use live migration, CRM does not support dual primary setup for DRBD. >- Install 2 domus for openldap, setup ldap-replication >- use the xen-domu as cluster-ressources with constraints, so you can >say ldap1 rans preffered on XENBOX1 and ldap on xenbox2 > Here the problem is we are using LDAP for Dom0 user authenication too. Thus without running domain we would not have LDAP and we would not be able to log in. That's why LDAP must be running on both nodes all the time not only as an HA resource. >if you prefer v1 this should help: >http://www.linuxjournal.com/article/5505 It's a bit complicated in the sense of restarting services, but very good starting point. Thanks for pointing to this. >> Next solution would be to setup LDAP into a cluster. However, as far as >> I checked the docu, we need to specify IP address of slave and I am not >> sure how it works when we need to switchover. > >openLDAP 2.3 supports only >- Master/Slave-Replication >so you need heartbeat for HA > >if running 2.4 you can also the built-in mirror-mode (for active >server-to-server replication used in high-availability environments) > Well, CentOS distribution includes 2.3 version, we must keep it. >> >> Is there anyone experienced with such a problem? > >nope - running fine here with heartbeat and simple >master/slave-replication with service-IP > > Thanks. _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
