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Questions tagged [corosync]

158 questions
27
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9 answers

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 supports unicast - no multicast or broadcast. I'm…
organicveggie
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Why disable DRBD in Pacemaker cluster

The DRBD documentation (in section Integrating DRBD with Pacemaker clusters) recommends that DRBD should be disabled in a Pacemaker cluster: If you are employing the DRBD OCF resource agent, it is recommended that you defer DRBD startup,…
rookie099
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1 answer

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: https://github.com/jayjanssen/Percona-Pacemaker-Resource-Agents/blob/master/doc/PRM-setup-guide.rst Here're the…
quanta
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1 answer

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 virtual IP. All I want to do is to set a timeout value…
user705142
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2 answers

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 for the back end servers. The eth1 IP of…
jetboy
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5
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1 answer

Possible to set the specific order of a resource in a Pacemaker group?

Given the Pacemaker/Corosync resource configuration described below, is it possible to add a resource in a specific position within the resource group? The configuration is CentOS 7.2 using the RHEL-supplied clustering add-ons. This is a NFS server…
ewwhite
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5
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1 answer

Pacemaker error on failback with drbd

I have two nodes in my cluster with drbd+pacemaker+corosync When the first node fails, the second assumes the service and it's ok, but when we have to failback (node1 back online) it shows some errors and the cluster stops working. It's a CentOS 6…
Leandro Ferreira
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5
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0 answers

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. --> everything works fine. Now I want to deploy this…
Rene Hellmann
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2 answers

pacemaker corosync lsb resource script( Sybase database ASE server and backup server)

I'm trying to create a lsb resource with pcs on rhel7.2 The "sybase" script is about Sybase Database ASE Server and Backup Server Startup & Stop & Restart $ status script Before [root@pldbsv01 ~]# pcs status Cluster name: PLDBSV_CLUSTER …
Arthur Cheng
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Pacemaker ocf:heartbeat:IPaddr on different subnets

I'm trying to add a Pacemaker virtual IP address; with it, the gateway, and the two VMs it serves on different subnets. I've only done this before with all IPs on the same subnet, and I need some help. I have two VMs on 200.xx.xxx.9 and…
jetboy
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4
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1 answer

Start at boot time Corosync 2.X + Pacemaker 1.1 cluster (Debian Wheezy)

I can't find a way to start cluster (corosync+pacemaker) at boot time in Debian I have updated a 2 node cluster with the following configuration on both nodes: Debian Wheezy 7.7 Corosync v2.3.4 Pacemaker v1.1.12 Libqb v0.17.1 Cluster-glue…
Danilo7
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4
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1 answer

DRBD + corosync + pacemaker - Servers won't connect after failover

I got 2 servers configured with drbd, corosync with pacemaker. It is all working fine, primary server gets secondary if it fails, and secondary gets primary. But if the 1st server comes up again after the failover, drbd won't connect back again and…
Jockel
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4
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1 answer

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 to Corosync isn't really a problem, but I'm…
Szymon Jednac
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4
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1 answer

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 dual-master replication, and it seems to work. Server A…
mrz
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3 answers

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 want a quorum with STONITH working sanely for what…
Martti
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