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0
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1answer
44 views

Configuring resources for Galera and Corosync/Pacemaker

I can't seem to find a proper way of setting up resources in pacemaker to manager my Galera cluster. I want a VIP that will failover betwen 5 boxes ( this works ), but I would also like to tie this ...
1
vote
0answers
42 views

ldirectord ipvsadm not show reals ip and not work wtih pacemaker and corosync

first thanks for your time. I'm having a problem with ldirectord that I can not solve, I comment my situation: I have two nodes with pace maker and corosync and configure somes resources: ...
1
vote
1answer
181 views

multicast address use in corosync

I'm wondering about the purpose of the multicast address in the corosync messaging software : Since we have to bind each net interface with an IP address and a specific port, and each ring communicate ...
2
votes
1answer
196 views

NFS failover fails with stale file handles while migrating resources

Running into a bit of a problem here , I set up two servers ( Centos 6 ) with Glusterfs and a shared directory between them, I have moved the nfs directory to the shared Gluster folder and have ...
1
vote
1answer
241 views

2 corosync nodes not online together (one offline, one online)

I am currently trying to set up corosync based on this tutorial: http://www.howtoforge.com/how-to-set-up-an-active-passive-postgresql-cluster-with-pacemaker-corosync-and-drbd-centos-5.5-p3 However, ...
0
votes
1answer
92 views

Cluster IP Address in HA Environment CentOS (5.x)

I am in the process of installing High Availability CentOS (5.x) setup with Fail-over capacity, I have 2 identical XEN VPS's in two different locations, every VPS has a private IP and a public IP, I ...
0
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1answer
71 views

Pacemaker: dynamic location constraints

I have a corosync cluster involving several machines that have different roles within the cluster. I have some clone resources grouped together and I set up everything to behave as an opt-in cluster: ...
0
votes
2answers
250 views

Starting a service in a corosync pacemaker failover cluster

first off all my setup 2 VM running Fedora 19 in a pacemaker/corosync failover cluster, they have 1 cluster IP 1 VM running Fedora 19 monitoring both VM's with nagios Right now nagios is running on ...
1
vote
1answer
94 views

Installing DRBD on XEN CentOS 5.8 (Stable)

I am trying for days to achieve HA with fault tolerance between my existing two XEN VPS's one located in Tokyo and the other located in US (both have the same setup and the same configurations, I am ...
1
vote
0answers
220 views

crm resource cleanup command in pcs?

Is there an alternative command for crm resource cleanup <rsc> in the pacemaker configuration system? I got the following error message from pcs status and I found on different sites, that a crm ...
1
vote
1answer
30 views

Automaticaly commit when updating pacemaker configuration

I'm trying to automate the administration of my servers which are running corosync/pacemaker. For that I generate a file containing the modifs that needs to be applied to the configuration. To apply ...
3
votes
1answer
192 views

Pacemaker between Centos 5 and Centos 6

I'm having some troubles when configuring pacemaker+corosync between Centos 5 and Centos 6. Here is ouput of crm_mon: On node1: Last updated: Sun Jul 21 19:02:21 2013 Last change: Sun Jul 21 ...
0
votes
2answers
276 views

Using DRBD with 100mbit uplink

we are planing to use drbd to sync two servers (different hardware) to get kind of HA in case the master server dies. The servers are hosted physically in the same datacenter (Hetzner in germany) and ...
0
votes
1answer
161 views

How to make active/passive jboss resource in pacemaker

I want to configure my pacemaker for jboss server. I have 2 nodes with mysql master/slave configured. The problem is I want to start jboss on node which is located master database. The one possible ...
0
votes
1answer
179 views

corosync binding to 127.0.0.1 instead of correct interface

I have the following problem when trying to implement a two-node failover cluster, using Hetzner as the hosting provider. my corosync.conf is as follows: # Please read the corosync.conf.5 manual ...
0
votes
1answer
164 views

corosync and multiple load balancers

I am trying to provide HA capabilities for our load balancers (nginx, pgpool and haproxy optionally) using pacemaker/corosync. I have defined three primitives: 1 for the failover IP, 1 for ...
1
vote
1answer
228 views

Why does pacemaker start on the secondary node instead of the primary?

I have two Linux nodes running httpd service. When I try to add the httpd resource on the primary node, the service starts on the second node instead of starting on the primary. What am I missing ...
0
votes
1answer
225 views

Corosync with Pacemaker Resource explanation

I have the following resource: primitive WowzaMediaServer lsb:WowzaMediaServer \ op monitor interval="30s" timeout="60" \ op start interval="0" timeout="60" \ op stop ...
3
votes
1answer
270 views

Relation between Heartbeat and Corosync on openSUSE

I'm moving a Heartbeat + Pacemaker setup to openSUSE 12.1. It turns out that Heartbeat isn't supported on this platform anymore, and therefore it is not available from the official repos. Switching ...
-1
votes
2answers
1k views

corosync + pacemaker + nginx

I have been trying to configure and implement corosync + pacemaker + nginx to my vbox to create a High-Availability set-up between web servers. But can't find an exact tutorial on how to make it work ...
3
votes
1answer
286 views

Add MySQL as a resource to pacemaker

I am trying to enable fail over strategy using pacemaker on a mysql Master-Master replication on two virtual machine running openSUSE 12 created by VritualBox. I managed to complete the mysql ...
0
votes
1answer
737 views

could corosync can support unicast heartbeat mode?

could corosync can support unicast heartbeat mode? from another thread in serverfault, some guy raised below corosync conf: totem { version: 2 secauth: off interface { ...
1
vote
0answers
626 views

Nginx Active/Active Cluster Setup

I am currently attempting to configure a pair of load balancing servers in an Active/Active configuration using the following: Nginx Corosync Pacemaker Applicable instructions were followed ...
1
vote
1answer
301 views

Pacemaker corosync 2-node with a 3rd for quorum

I'm having trouble figuring out how to configure a 2-node setup with a third simpler one for quorum. It seems to think all the nodes have the capability to act as a full fallback node, when I only I ...
3
votes
1answer
2k views

Secure IPTables rules for Corosync

I have two HA load balancers (hollywood and wolfman) running Corosync and Pacemaker. The eth1 interfaces are connected to the WAN, and the eth0 interfaces to the LAN, using a virtual IP as the gateway ...
6
votes
1answer
4k views

MySQL: Pacemaker cannot start the failed master as a new slave?

pacemaker-1.0.12-1 corosync-1.2.7-1.1 I'm going to setup failover for MySQL replication (1 master and 1 slave) follow this guide: ...
4
votes
1answer
424 views

Pacemaker/corosync timeout before resource transfers

This seems like a simple question, but one I can't seem to find the answer for despite going over the pacemaker documentation multiple times. I've got corosync set up with pacemaker to share a ...
0
votes
5answers
745 views

Weird init script issue with corosync

This probably has a simple explanation, but I certainly can't think of it. I've got corosync installed (via yum), with it's default init script. Something is strange on this particular CentOS ...
2
votes
0answers
2k views

Corosync unicast issue with different nets

I'm using a setup (on our staging-system) with 2 root-servers and 1 fail-over-ip. As software we use corosync and pacemaker. Corosync is configured for multicast communication via port 5405. --> ...
0
votes
1answer
598 views

How to run multiple Heartbeat/Corosync/Pacemaker clusters in the same network? (Quorum)

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 ...
-1
votes
2answers
1k views

corosync active-active with 2 virtual IPs - clone constraints task

I have DNS roundrobin on 2 virtual IP in front of service. (Among others the service tested was: apache, nginx, varnish, postfix, … It really does not matter. Let's call it just service.) I ...
0
votes
2answers
2k views

Configuring RHEL6.1 GFS cluster

I need to configure 3-node cluster with shared GFS2 filesystem. GFS2 needed as common Documentroot for apache behind the balancer. Can you suggest some guide on how to configure ...
1
vote
1answer
1k views

Corosync on EC2 multiple subnets

I'm working on a HA solution for apache/mysql and i'm going the DRBD with pacemaker and corosync route... I seem to be having an issue with getting my corosync service to see the other server. I'm ...
1
vote
1answer
337 views

How do I test load balancing in my LAN?

I recently posted a question regarding the issue of loadbalancing webservers on a budget. It's finally time to begin the testing so I thought about setting up two or more Ubuntu VM's in my LAN running ...
13
votes
7answers
16k views

Alternatives to Heartbeat, Pacemaker and CoroSync?

Are there any major alternatives for automatic failover on Linux besides the typical Heartbeat/Pacemaker/CoroSync combinations? In particular, I'm setting up failover on EC2 instances, which only ...