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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3-node Pacemaker setup shows 1 node 2 times, with the same name, one online and one offline
So I've got: machine001, machine002, machine003.
machine001 has 2 resources, machine002 has 1 resource. Normally they don't go on the same host, unless machine002 goes in standby.
Recently, I saw machine002 appearing 2 times. 1 time online, 1 time…
KoenDG
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File ownership changes when Cluster moves
I created a 2 node cluster..
# pcs resource config
Group: nodeapp
Resource: clusterip (class=ocf provider=heartbeat type=IPaddr)
Attributes: cidr_netmask=24 ip=10.6.151.103 nic=ens224:0
Operations: monitor interval=100…
Cedric
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STONITH Block Device daemon (SBD) actions based on conditions
Is there any detailed description how SBD reacts to various conditions/issues? sbd(8) is not very detailed I would say. I can't read the source which is here:…
Jiri B
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OCF resource agent/script for permanently checking tcp socket on layer 4?
How to utilize the OCF, Pacemaker and Corosync to permanently check the availability of a tcp socket?
For the handling of certain services from within Pacemaker/Corosync I would like to constantly monitor a remote tcp socket. Similar to a…
M. Schmidt
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OCF resource agent/script for permanently checking running processes?
Currently I am working with the OCF, Pacemaker and Corosync and wonder the following. How do one cleanly realize a simple process checker (like with pgrep) that constantly checks the availability of a process for dependency management within crm?
Of…
M. Schmidt
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openstack pacemaker-schedulerd error
I have noticed this problem in the syslog and i'm not sure how to resolve this. I have openstack yoga with ubuntu 22.04 selfservice network option.
I have 1 controller node and 1 compute node
Dec 5 22:12:44 controller1 pacemaker-controld[1467]: …
shorif2000
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Pacemaker fence_drac5 agent ... cannot see where to specify password
I am setting up a pacemaker cluster with two nodes on Ubuntu Server 22.04.
Both are Dell servers with a fully licensed idrac module, so I would like to use the drac5 stonith agent to make the cluster happy without a third node. The problem is that…
elyograg
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Nginx WebDAV in Docker in Pacemaker with Windows 11 client converts space symbol into %20
I try to make a WebDAV share compatible with Windows 11 client using Debian 11, Nginx, Docker in Pacemaker cluster with two nodes and one quorum node. I found https://github.com/dgraziotin/docker-nginx-webdav-nononsense , pulled the Docker image and…
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Virtual IP in pacemaker cluster not pinging
I have two Linux rhel8 servers with pacemaker/corosync/pcsd installed. I've used the ocf:heartbeat:IPaddr2 resource to create a virtual IP for the cluster.
I have a similar setup on a few older clusters and it works fine but the ones I'm setting up…
Karanpreet Singh
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Configure and connect fence device through proxy server?
I'm setting up a cluster with Pacemaker and Corosync (from Clusterlabs).
It works fine but i need to configure the fencing.
Servers run on a VMWare ESXi infrastructure.
I have a frontend server (with an public IP address) configured with Nginx as a…
BeWog
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1 answer
DRBD does not promote resource on slave node after "pcs cluster stop --all"
I am trying to understand the recovering process of a promotable
resource after "pcs cluster stop --all" and shutdown of both nodes.
I have a two nodes + qdevice quorum with a DRBD resource.
This is a summary of the resources before my test.…
Jose
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Pacemaker Virtual IP suddenly Failed
I am new in cluster.
We are running SAP Application in HA Cluster (have 2 nodes in cluster) using pacemaker. Node1 if it runs as a master always restart for a few times. After we check pacemaker logs, we found resource IP float (Virtual IP) failed…
M. Fachrizal Utama
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sendmail and pacemaker require different /etc/hosts
Trying to make run sendmail (required by fail2ban, or it takes forever to start-stop-restart it) and pacemaker on one machine.
Sendmail wants machine's hostname resolved as 127.0.0.1, pacemaker - as 192.168.100.1, otherwise they both don't work…
yu-boot
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Configuring STONITH on non-shared disk cluster
I have configured a 2 node (VMs) cluster with SUSE High Availability Extension.
The cluster doesn't use shared disk. So Stonith is not really required. But the cluster keeps on asking for Stonith.
So what basic stonith can i create ??
MarvinD
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Pacemaker Virtual IP is still pinging
I am having two node pacemaker cluster, with one virtual IP which is 192.168.3.100.
The virtual ip is the part of cluster resource, when I stop the cluster using pcs cluster stop --all.
I am still able to ping the virtual ip i.e. 192.168.3.100.
I…
Dap727
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