Hihow you guys doing?So I have Centos 6.4 installed on 2 identical HP DL580 G7 servers with drbd8.4, pacemaker and corosync with cman installed.Server 1 is fine and ne... [by sidneyb]
OS = drbian 7.0 wheezy
Nodes = two
pacemaker = installed
corosync = installed
drbd8-utils = installed
I have successfully configure drbd with Active Passive mode and manually switching the primary roles. This is going good. I configure Virtual IP via LCMC but the resource is not able to start. I even tried to start via crm but same is happening.
I am evaluating some Linux based HA solutions and i just want to understand what are the fundamental differences between a Corosync + Pacemaker setup vs a Corosync + Accord setup. Which one is better? I read somewhere that Corosync+ Pacemaker is good to scale upto 60 nodes, while Accord and Corosync can scale upto 1000 nodes. Why such huge difference? Thank you.
We intend to run several components to run a web site. Like a load balancer, a cache and a couple of web serserves. To avoid single-points-of-failure we intended to use Heartbeat/Corosync/Pacemaker and instead of one load balancer just run two of them.
I'm really new to this. I've been struggling with how to keep multiple webservers synced. It seems like DRBD8 and OCFS2 is the way to go. However, every example I see so far keeps referencing dual-primary and two nodes. I don't see anything indicating this is the way to go for say 5-10 webservers.