Hi, I also expecting to implement the mysql cluster. Please help out and give us the implementation steps. Thanks, Balaji.V <div class="gmail_quote">On Thu, Aug 30, 2012 at 12:16 PM, Fajar A. Nugraha <<a href="mailto:list@fajar.net" target="_blank">list@fajar.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On Thu, Aug 30, 2012 at 1:23 PM, Rajendra Roka <<a href="mailto:rajenddra@gmail.com">rajenddra@gmail.com</a>> wrote: > Thanks for your reply. > > I am looking for help in Redhat cluster not the third party heartbeat. </div><div class="im">>> On Thu, Aug 30, 2012 at 8:18 AM, Rajendra Roka <<a href="mailto:rajenddra@gmail.com">rajenddra@gmail.com</a>> >> wrote: >>> >>> Currently we have mysql cluster running in RHEL 6.3 with 2 vmware guest >>> and using a single share storage through RDM(Raw Device Mapping) >>> >>> We don't need high performance multi master environment, but we want to >>> enable high availablity just incase of one server goes down for mentenence >>> or any other purpose second node takes over. </div>You're making things MUCH more complicated than it should be, you know. For that simple goal, ONE of these should work: - vmware's VMHA, with shared storage - redhat cluster with shared storage, on phyisical nodes - redhat cluster + drbd, with local storage (synchronized using drbd) Don't try to mix those. At least not until you have the required knowledge and experience (which, from your post, I assume you don't). <div class="im"> >>> >>> Current configuration is working fine since we have a single data store >>> but that's preventing the functionality of V-Motion in Vmware environment. </div>That's because you mix solutions that are not designed to sit well together. If you simply use a mysql VM with shared storage and let vmware handel the HA, it will work and is a supported configuration. If you simply use Redhat cluster on physical machine and create either a mysql resource or a VM resource (kvm/xen running mysql) with shared storage, it will work and is a supported configuration. However you decide to use redhat cluster on top of vmware. It can work, but is not supported. <div class="im"> >>> Is there any way we can have 2 identical copies of mysql database so if >>> master/primary node goes down another one takes over? </div>Choose either VMHA or redhat cluster on physical machine. Your choice. -- Fajar <div class="HOEnZb"><div class="h5"> -- Linux-cluster mailing list <a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/linux-cluster" target="_blank">https://www.redhat.com/mailman/listinfo/linux-cluster</a> </div></div></blockquote></div> -- Regards, Balaji.V @+91 9952022099