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).
Questions tagged [pacemaker]
297 questions
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can you give me feedback on an HA architecture using linux-ha and pacemaker?
I am trying to come up with an architecture for achieving HA on one of our services (in-house service, single tcp connection for all requests). Just started reading on linux-ha and pacemaker, and i'd like to know if the following approach makes any…
Shlomi
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can heartbeat notice a stopped service and re-start it
I have two nodes, the complete IP failover works for them very well - when node 1 is down, node 2 grabs the IP and starts services.
What i would love to know is:
if the server 1 does not crash completely, but only one of the services stop…
strzelecki.maciek
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Linux-HA Pacemaker.. NFS Resource starting "unmanaged"
My cluster I've been working on just starting acting up out of no where... It looks like I'm having an issue with the exportfs resource.
Any ideas on how to troubleshoot this? I can find nothing for a "-2" return code
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Matthew
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does heartbeat v3 support same resource agent types of pacemaker?
As we know, Pacemaker supports three types of Resource Agents,
LSB Resource Agents,
OCF Resource Agents,
legacy Heartbeat Resource Agents
http://www.linux-ha.org/wiki/Resource_Agents
does heartbeat v3 support above 3 types resource…
Emre He
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Monitoring pacemaker
How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down?
Monitoring the services isn't the problem, this can be done directly. But im still not sure if I should monitor the status…
Comradin
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Pacemaker behavior colocation Xen domU resources, is this expected?
I am using Pacemaker+OpenAIS+Corosync on OpenSuSE 11.3 running Xen, and am trying to determine if the behavior I see when colocating Xen domU resources is expected or not.
Cluster nodes / dom0:
xen01-primary
xen01-secondary
Xen domUs / Pacemaker…
Kendall
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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 corosync+pacemaker+GFS2 on RHEL/SL 6.1?
BTW I don't need DRBD as I have…
Dmytro Leonenko
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Pacemaker complex resource colocation
I am working on a pacemaker project for our master and slave databases to perform IP based failover. There will be two IP resources, one for the master, and one for the slave that have to move together. I realize that what I have marked below is…
Aaron Brown
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CentOS or Ubuntu server for pacemaker (heartbeat) cluster?
Could someone share their knowledge and experience with CentOS and Ubuntu server management, maintenance capabilities and community support? I would be running pacemaker cluster and LAMP stack on it with GFS2 (or OCFS2) and other services.
Currently…
Tadas Šubonis
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Pinging Virtual IP for Linux HA cluster from a different subnet does not work
I have setup a Linux cluster with Corosync/Pacemaker, and the two cluster nodes are within the same subnet sharing a virtual IP. For machines within the same subnet, they can ping the virtual IP "135.121.192.104" successfully.
However, if I…
user52498
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Linux HA cluster w/Xen, Heartbeat, Pacemaker. domU does not failover to secondary node
I am having the followig problem with an OenSuSE + Heartbeat + Pacemaker + Xen HA cluster: when the node a Xen domU is running on is "dead"
the Xen domU running on it is not restarted on the second node.
The cluster is setup with two nodes, each…
Kendall
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Pacemaker monitoring mysql
I have Pacemaker+Corosync set up to manage a shared IP address between two Mysql boxes in Master-Master/Active-Passive setup (using interleaved primary keys).
I have Pacemaker set up to manage the shared IP between the two machines, however, it…
davidsmalley
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Corosync - stopping the service crashes the server
I am trying to set up a test cluster on a Xen Server with 2 paravirtualized CentOS 5.4 machines. I am using Pacemaker+Corosync, and following the instructions found at http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf and other sites. Anyway,…
Antipop
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pacemaker issues -- stonith
TL;DR: I need help setting up fencing on my pacemaker cluster.
I have a cluster of three machines running pacemaker. This is in my homelab, it's not a work setup.
Two are physical Dell servers. An R720xd and an R710. The third is a VM running on…
elyograg
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Replacing pacemaker ip addresses with static IPs and then back again
Looking to upgrade corosync/pacemaker, a problem is that version 2 and 4 of corosync cannot communicate.
Having 3 nodes, on Ubuntu 20.04, seems like it will lead to a momentary split brain, will all nodes upgrade and come back on, even if I…
KoenDG
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