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Questions tagged [pacemaker]

Pacemaker achieves maximum availability for cluster services by detecting and recovering from node and service-level failures. It achieves this by utilizing the messaging and membership capabilities provided by your preferred cluster infrastructure (currently either OpenAIS or Heartbeat).

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HAProxy + Heartbeat cluster active/active?

I have 2 servers running HAProxy to load balance some web servers and database servers with Heartbeat to cluster them in active/passive mode. At the moment, if the active server dies then the passive one takes over the load balance tasks with the…
Phong Đặng
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Is it possible for corosync / pacemaker to consider a node active only if a particular process is running?

I want a node to be considered "online" (and thus able to get resources) only after it is ready for them (that is, a particular process is up and running.) Is there a way to configure pacemaker to check if a particular process is running, and only…
moomima
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Easiest way to install pacemaker-1.1.6 on Ubuntu 14.04 Trusty?

TLDR: see the subject line. Now here's the motivation... We have some existing clusters that successfully use Heartbeat 3.0.5 together with Pacemaker 1.1.6, on Ubuntu 12.04LTS Precise Pangolin. $ man heartbeat | tail -1 Heartbeat 3.0.5 …
Quuxplusone
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How to integrate the fence_cisco_ucs.py(python) script with the pacemaker-1.1.10 and corosync-2.3.3

I have CentOS 7 on the Oracle VM VirtualBox. I have installed the pacemaker-1.1.10, corosync-2.3.3 and pcs tools. I able to create normalocf::heartbeat:IPaddr2 and ocf::heartbeat:apache etc resources. I am trying to have stonith based resource agent…
Rb Patil
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mkfs.gfs2 failing silently on centos7 cluster?

I'm building a test cluster using centos7 and pacemaker, with shared storage on GFS2 over clustered LVM. I've set up a 2-node cluster, dlm and clvmd, both nodes can see the clustered logical volumes. Fencing is disabled for this cluster. However,…
André Fernandes
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How can CMAN restart after a network failure

I try to configure a 3-nodes HA cluster with pacemaker/cman on centos 6.5. STONITH is disabled (pcs property set stonith-enabled=false). When I simulate a network issue (iptables -A INPUT -s $OTHER_NODES_IP -j DROP), the master resource is moved to…
rmillet
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Corosync and Pacemaker deployment

I'm currently working on a deployment architecture for a Postgres HA 1 Master/ 1 Slave scenario. After reading lots and lots of documentation I've decided to start using Pacemaker in conjunction with Corosync on Ubuntu LTS. What's currently not…
Oliver Weichhold
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Corosync :: Restarting some resources after Lan connectivity issue

I am currently looking into corosync to build a two-node cluster. So, I've got it working fine, and it does what I want to do, which is: Lost connectivity between the two nodes gives the first node '10node' both Failover Wan IPs. (aka resources…
moebius_eye
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uwsgi + Django with nginx: High Availability Setup

Moved from : https://stackoverflow.com/questions/25304968/uwsgi-django-with-nginx-high-availability-setup to here. I was setting up High Availability on RHEL 6.5 . My Stack is 1. uwsgi 2. nginx 3. django 4. Pacemaker Now I understand that…
Joddy
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RHEL/Centos 6 Cluster multi-site configuration with Pacemaker and split brain situation

I would configure a 4-nodes cluster using RHEL 6.5 and Pacemaker as reported in the official documentation…
NoNoNo
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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 both nodes all the time but I want that nagios is…
chosen
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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 they are running with openSUSE. The main purpose…
Link.de
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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 solution for this: Start jboss on 2 nodes, but…
samlabs821
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pacemaker - stop a resource which was started on another node

I have a running setup of pacemaker-corosync on several ubuntu12.04 hosts. Several clone resources and a primitive. Primitive - which is an upstart job, is called "dummy". Dummy can run on only one node at any given moment, and the constraints allow…
strzelecki.maciek
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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 interval="0" I would like to understand what does…
edotan
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