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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crm status : 0 nodes and 0 resources configured

I've configure corosync and then I got these issue 0 nodes and 0 resources configured. [root@sitampan2 verdana]# crm status Stack: unknown Current DC: NONE Last updated: Thu Jun 16 15:15:40 2016 Last change: Wed Jun 15 14:25:43 2016 by root…
Adi
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Pacemaker: How to configure default gateway for virtual IP?

I have three nodes and three virtual IP addresses in the same subnet. It doesn't matter which address is assigned to which node. The IPs are public addresses. The nodes are load balancers that distribute web requests to several backend systems. In…
tgal
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resource drbd not migrating to other node manually

I have two nodes corosync and pacemaker The funds are vip, apache, and drbd. All work. But if I migrate the drbd resource to another node it goes to all other resources and nothing is migrated. If I restart or standby or put anything not migrate.…
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CIB not supported: validator 'pacemaker-2.0', release '3.0.9'

I am trying to make two node clusters with pacemaker and corosync. When I want to change config with crm I get the following error: CIB not supported: validator 'pacemaker-2.0', release '3.0.9' I can use crm for status and other feature but I…
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Postgres server not starting on drbd + pacemaker

I am trying to bring up the postgres server over ubuntu 14.04 with drbd and fiesystem. Service state as below: Last updated: Mon Mar 14 01:16:45 2016 Last change: Mon Mar 14 01:05:53 2016 via cibadmin on node1 Stack: corosync Current DC: node2 (2) -…
tollboy
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How to make node join the cluster (Pacemaker, Corosync 2 node setup) automatically after disconnection / unplugging?

I have a 2 node cluster running Corosync and Pacemaker. If I physically unplug the network cable on one node, the other one becomes standalone. But when I plug the network cable back in, I want it to automatically join the cluster, without any…
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nginx high-availability with corosync and pacemaker

I configured nginx in a failover with corosync and pacemaker. Everything looked until the test of the failover: The VirtualIP is transmitted to the other host, but the resouce reverseproxy fails to start. If I do a debug-start, everything works…
pwe
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Pacemaker - how to monitor and stop service on wrong node (without dependent services)

I have four nodes A-D with service1 clone (clone-max 3) and with 3 virtual IPs. I have constraints - clone-ip1, clone-ip2, clone-ip3 - this works well when only pacemaker handles services. I'd like Pacemaker to "audit" the nodes automaticly so when…
Arek B.
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pacemaker failover nginx only once

I setup a cluster with two nodes with pacemaker 1.1.10 on CentOS 7. Then I downloaded a resource agent for nginx from github I tested my setup like this: Node 1 is started with the nginx and vip, everyting is ok Kill Node1 nginx, wait for a few…
jacob
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HA pacemaker monitor_5000 on zabserver-a 'not running' (7): call=53, status=complete, last-rc-change='Mon Jul 13 07:51:32 2015', queued=0ms, exec=0ms

I have a Zabbix active/passive cluster using pacemaker and cman. However, I am seeing the following in "pcs status" and during failover the zabbix-server service is not coming up. The floating IP moves over just fine though. OS CentOS 6.6 Zabbix…
John Test
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Pacemaker and Stonith : passive node won't bring up resources

I'm working with Pacemaker and Stonith for High-Availability with a 2-node cluster (nodes called here A and B). Both nodes have one IPMI as fence device. The deal is : A is currently running resources B is in passive mode Then I plug off the…
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Pacemaker ClusterIP stops working after 15 minutes but is still running

I am running Corosync and Pacemaker via a cman stack, in an active-active setup delivering web pages, and I've hit a brick wall. I'm using the IPaddr2 resource agent to have an IP that is used simoultaneously by both nodes, and after about 15 …
Oblivious12
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Pacemaker continously logging "Changed active directory"

I have a newly installed CentOS 6.6 two-node cluster using Pacemaker. Every 10 seconds /var/log/pacemaker.log shows this "Changed active directory to /var/lib/pacemaker/cores/root" message (and nothing else): May 28 11:04:15 [2671] cluster1 crmd: …
Joril
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Zabbix web interface says Zabbix server is offline when failing over to passive node

Two Zabbix 2.4 servers using CentOS 6.6 with an external MySQL DB, both servers are configured to connect to this DB when they are running. I followed a combination of Zabbit High Availability guide and the Quickstart from Clusterlabs. I think I…
John Test
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How do I force IPV4 with PCS? (Pacemaker/Corosync)

I'm setting up a Pacemaker/Corosync cluster with a DRBD mount for a highly available Webapp in a secure environment. This is running on CentOS 7. The cluster is working. However to get this system ready for a security audit, I must disable all…
Routhinator
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