On 6/17/12 2:18 AM, YesGood wrote: > Changed, now I prefer build a master-hot standby (read/write node-read > only node ) server for the load balancing cluster. It's possible send > request for both nodes for build load balance? No, you only want to send connections to the read/write server, otherwise clients can't update data. > With active/passive HA, I don't offer load balancing. > I see about DRBD three-node setup. > And also I thinking of the NAS shared-disk, but apparently that isn't > compatible with the ocfs, neither with gfs. > Which is the best choice for the shared data between databases server, and > offer load balancing? What are you trying to accomplish? Do you really need load balancing between two boxes, or would an active/standby database be enough. You say you want it for performance, but when a system dies you will need to be able to support your entire workload on one box. > > I listen of the HAProxy, that offer too load balancing. If I use HAProxy is > equal to use LVS, and so I must choice between both. In this moment I don't > know HAProxy. > There are a dozen ways to get requests from a client to multiple boxes. you have a database problem, not a load balancer problem.
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