Hi, Is there a tutorial showing how to get a basic Linux HA setup with replicated storage (via DRBD) working on CentOS 6.5? I want to have mySQL as the HA resource with the database replicated across the nodes. I've scoured the web for one but it seems that I get stuck in each one somewhere.
To elaborate, I have 2 CentOS 6.5 nodes configured with distinct hostnames and static IPs. They are connected to a wireless AP, and can ping each other. I tried following this guide - http://clusterlabs.org/quickstart-redhat.html However, cman will not start when NetworkManager is running, and my nodes cannot connect to the wireless AP without NetworkManager running. Am I missing something or is that the stupidest dependency ever? How is a cluster supposed to work when the nodes aren't connected to one another? I also tried following the "clusters from scratch" guide but that seems to rely on systemctl calls which aren't available on CentOS 6.5. Any help? -- - Goi Sihan gois...@gmail.com
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