On Mon, 2006-03-13 at 10:16 +0800, huang mingyou wrote:
> thank you reply !
> and I want ask another question about the ndb node's heartbeat check.
> if the ndb nodes in 2 wan,and between them have about 80 ms delay.the
> cluster can work correct? and in the 2 wan ,have 2 group ndb nodes,if
> the 2 wan have lose connect.then have data update in each node group
> ,when the network is connect,the cluster can auto coordinate the data
> charge?
Only one set of nodes will survive the network partitioning (the others
will be shut down due to arbitration). If you want geographical
redundancy, have a look into MySQL Cluster Replication in 5.1 where you
can replicate from one cluster to another cluster.
--
Stewart Smith, Software Engineer
MySQL AB, www.mysql.com
Office: +14082136540 Ext: 6616
VoIP: 6616@stripped
Mobile: +61 4 3 8844 332
Jumpstart your cluster:
http://www.mysql.com/consulting/packaged/cluster.html
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