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Questions tagged [pacemaker]

Pacemaker is, according to its website, an Open Source, High Availability resource manager suitable for both small and large clusters.

Pacemaker is, according to its website, an open source, high availability resource manager suitable for both small and large clusters.

136 questions
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Ubuntu 2 Node Cluster Postgresql 9.3 with pacemaker and Streaming Replication

I'm trying to setup a 2 Node Cluster with Postresql 9.3 and Streaming Replication. Streaming Replication is successfully configured. Master is listen up and is sending to slave. I can do failover manually with creating the trigger file and failback…
Matthias
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pacemaker corosync service ignored

Two Node cluster Node A , Node B . Service X running on Node A, Node B is DC. We are using stack corosync with Pacemaker. Failure Timeout is 10 sec . Target-Role is started . Events happens like this Node A sends event to Node B Service X is…
Sahil Aggarwal
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RabbitMQ with mirrored queues: Failover support

I am trying to set up a RabbitMQ cluster with mirrored queues (nevermind if u don't know what that is, it MIGHT NOT affect the answer). Long story short, I have N RabbitMQ instances joined together in a cluster. One of the instances is the master,…
pbhowmick
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which one is the official command line package of pacemaker? crmsh or pcs?

I am working on a Linux-HA cluster with pacemaker-1.1.10-1.el6_4.4, as you know, in this pacemaker version, cluster command line functionality is not packaged with pacemaker package, I found 2 packages: crmsh and pcs, my question is which one is the…
Emre He
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celery beat HA - using pacemaker?

As far as I know about celery, celery beat is a scheduler considered as SPOF. It means the service crashes, nothing will be scheduled and run. My case is that, I will need a HA set up with two schedulers: master/slave, master is making some calls…
Shengjie
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saltstack/pacemaker: pcs module fails to create operations options

I am trying to create a pacemaker resource following salt.states.pcs which works fine, until i try to set e.g. the monitor interval and timeout values (or any other op values). E.g.: pcs resource create VirtualIP ocf:heartbeat:IPaddr2…
v05
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internal create-md' terminated with exit code 20 - DRBD

I am doing database replication with DRBD. Using different ips for pacemaker, corosync & Drbd traffic.Created one partition (vdc1). I am not able to setup DRBD. It's giving below error- Command 'drbdmeta 0 v08 /dev/vdc1 internal create-md'…
Pinki Sharma
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Setup DRBD with 3 server (master/slave)

I currently work with pacemaker DRBD setup. I have 3 Debian 9 server and I want to synchronize drive with all server. unfortunately I get error while installing DRBD to my server. drbd configuration global { usage-count no; } common { protocol…
Karippery
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Pacemaker Cluster with two network interfaces on each node

I am trying to create a cluster between 2 nodes with 2 network interfaces each. The idea is that the cluster changes of node when in the node that is active some of its 2 interfaces fall (or the 2 logically). The problem is that the cluster only…
Javier Sainz
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How to synchronize Redmine database pacemaker/pcs/corosync?

Currently I have 3 servers: one master and 2 clients. I installed redmine 3.3.1.stable with postgresql 9.6, and installed pacemaker on 3 servers. To synchronize a database, I follow the documentation. Every thing is working fine until when I stop…
Karippery
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Pacemaker custom resource agent does not execute script on failover

I am implementing a test cluster with 2 nodes. I want to execute my script when failover occours. I create my resource fro Dummy RA named "script". When I test with the command "pcs resource debug-start script" it works. But when failover occurs,…
Clemente Candido
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pacemaker subprocess pengine terminated

Environment: OS: redhat 7.5 pacemaker 1.1.19-8.el7_6.1.x86_64 corosync: 2.4.3-2.el7_5.1.x86_64 8 nodes setup with one resource being PostgreSQL 10 with 1 standby node. main db node: DB1 secondary db node: DB2 Issue: PostgreSQL stop suddenly. in…
Ajay Pratap
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pcs does not stop the failover resources in partner node before it starts them in main node while booting both machines at same time

I have recently started working on clusters, if you want any more info let me know . I have a active-active HA cluster. Its designed to work during failover scenario. I have Node1 and Node2 as a active-active cluster. pacemaker and corosync are…
programmer
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unable to connect to corosync-Job for corosync.service failed because the control process exited with error code

trying to start pacemaker cluster. I got an error in staring nodes. nodes configuration : ubuntu 18.04 mssql-server 2017 edition 2 nodes are added into /etc/hosts as localhost node1 192.168.43.64 node2 on running sudo pcs cluster start --all I…
Mounika
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clustat -x equivalent in rhel 7 pacemaker

There was a command clustat -x in rhel 6 cluster which gives "last_transition_str" of a resource.
Vijay S B
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