Hi, I also expecting to implement the mysql cluster. Please help out and give us the implementation steps.
Thanks, Balaji.V On Thu, Aug 30, 2012 at 12:16 PM, Fajar A. Nugraha <l...@fajar.net> wrote: > On Thu, Aug 30, 2012 at 1:23 PM, Rajendra Roka <rajend...@gmail.com> > wrote: > > Thanks for your reply. > > > > I am looking for help in Redhat cluster not the third party heartbeat. > > > >> On Thu, Aug 30, 2012 at 8:18 AM, Rajendra Roka <rajend...@gmail.com> > >> 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. > > > 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). > > >>> > >>> Current configuration is working fine since we have a single data store > >>> but that's preventing the functionality of V-Motion in Vmware > environment. > > 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. > > >>> Is there any way we can have 2 identical copies of mysql database so if > >>> master/primary node goes down another one takes over? > > Choose either VMHA or redhat cluster on physical machine. Your choice. > > -- > Fajar > > -- > Linux-cluster mailing list > Linux-cluster@redhat.com > https://www.redhat.com/mailman/listinfo/linux-cluster > -- Regards, *Balaji.V* @+91 9952022099
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