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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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issue with pacemaker ipaddr2 and IPsrcaddr

I'm having trouble with setting up a cluster which contains two nodes. I want to setup a cluster with two centos nodes with a floating ip address and all packet which sends out from my active cluster node be from Virtual_IP not from the IP that is…
Mhs
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Postfix not sending mail using specific outgoing ip address

I have a cluster set-up using pacemaker/corosync and have some fail over IPs set-up. I have designated postfix to use ome of those failover IPs using:- smtp_bind_address = aa.bb.cc.dd in main.cf However, when I send a test mail to my google a/c I'm…
PistolPete
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Pacemaker - Colocation constraint moving resource

I am encountering an issue with colocation constraints. I have created a 4 nodes cluster (3 "main" and 1 "spare") with 3 resources, each resource should run only on its own node or on the spare and never together on the spare. When the resources…
JohnLoopM
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Pacemaker, corosync delete

I've got Pacemaker in conjunction with Corosync on two nodes and two float ip. Now I need to delete this construction. What is the best way to stop Pacemaker and Corosync and delete them?
Alex
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Is it possible to maintain a configuration of an arbitrary resource using pacemaker cluster

What I understood is that with resource agents (which are exactly same on all nodes), pacemaker can start/stop resource on any node. But can we also use it to sync a configuraton file in all nodes in the cluster. For Example, I want my drbd.conf…
GP92
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Pacemaker fencing not triggered

I have 2 nodes : - patroni1 : 192.168.1.38 - patroni2 : 192.168.1.39 and Virtual IP : 192.168.1.40 I have HA-Proxy installed on both. Here is my pcs status when VIP is attached to patroni2 and haproxy is activated on…
Bino Oetomo
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Nagios/Icinga: Don't show CRITICAL for DRBD partitions on standby node

I've set up a pacemaker/corosync ha-cluster in a failover configuration with two nodes: productive and standby. There are three DRBD partitions. Everything works fine so far. I'm using Nagios NRPE on both nodes to monitor the server with icinga2 as…
digijay
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DLM and CLVMD not starting on pacemaker redhat HA

I was trying to configure an active-active cluster w/ gfs2, I followed the following instructions: pcs property set no-quorum-policy=freeze pcs resource create dlm ocf:pacemaker:controld op monitor interval=30s clone interleave=true…
Ardneliahs
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Multiple floating IPs

I am configuring Squid with High Availability. I want the setup with below conditions Two squid proxy servers (siblings) with one IP address each Both the servers in active passive HA cluster with floating IP More than one floating IP assigned to…
Arun Krishnan
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pacemaker clear failed actions automactically

I have created an active/passive cluster using Pacemaker / Corosync / drbd and have "simulated" Apache failure pkill httpd and altough pacemaker recovered from the "failure" and started httpd now when executing pcs status I get: Failed Actions: *…
postFix
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Weird node number in load balancer setup

I got an odd problem here. I set up Corosync and Pacemaker, I used this guide as a reference but I improvised a little the first time installing it since I'm doing this to learn, not following instructions like a slave. But as I got this odd error,…
StianM
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How to configure fencing delay in master/slave cluster with DRBD and Pacemaker?

I have a pacemaker cluster for DRBD primary/secondary setup and Virtual IP. I would like the master node to immediately shoot the slave, while the slave will have to wait for 15 seconds before shooting the master. My current config is something…
bakasan
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How to: fencing in 2 nodes cluster with iLO 4?

I have configure a 2 node (master/slave) cluster on HP GL360p servers with iLO 4. OS is centos 7 and I am using pcs with pacemaker and corosync. I want to implement fencing but I can't find any documents about how to get started with it. My…
bakasan
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How to determine Master priority in HA cluster based on connected interfaces

I want to make a DRBD cluster of 2 servers. Both have 2 interfaces bonded together. I want to be able to determine the master role based on connection metric. i.e how many of the network interfaces are connected (not based on ping). By default…
bakasan
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corosync systemd resource does not reflect service status

I have configured corosync cluster with few recources. There is custom systemd service 'jira' and systemctl corectly returns its status. QUESTION: How can I configure corosync to respect failed systemd service? The crm status claims the resource is…
dosmanak
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