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0
votes
3answers
5k views

corosync + pacemaker + nginx

I have been trying to configure and implement corosync + pacemaker + nginx to my vbox to create a High-Availability set-up between web servers. But can't find an exact tutorial on how to make it work ...
21
votes
8answers
26k views

Alternatives to Heartbeat, Pacemaker and CoroSync?

Are there any major alternatives for automatic failover on Linux besides the typical Heartbeat/Pacemaker/CoroSync combinations? In particular, I'm setting up failover on EC2 instances, which only ...
0
votes
2answers
1k views

corosync fails to install

I was trying to setup cluster using corosync and pacemaker on RHEL6 (CentOS release 6.5) I have added following repo data [haclustering] name=HA Clustering type=rpm-md baseurl=http://download....
1
vote
1answer
2k views

crm resource cleanup command in pcs?

Is there an alternative command for crm resource cleanup <rsc> in the pacemaker configuration system? I got the following error message from pcs status and I found on different sites, that a crm ...
4
votes
1answer
1k views

Pacemaker/corosync timeout before resource transfers

This seems like a simple question, but one I can't seem to find the answer for despite going over the pacemaker documentation multiple times. I've got corosync set up with pacemaker to share a ...
2
votes
2answers
110 views

Linux HA Cluster: running a resource as non-root user

i'm have successfully setup the HA cluster using pacemaker and corosync on centos7, and i've also been able to add and start resources. one of the resources is an instance of tomcat, and in the ...
0
votes
2answers
62 views

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 ...
0
votes
0answers
11 views

mysql 5.5 controlled by corosync/pacemaker on Centos 5.11

As an intermediary step before upgrading to a newer OS (in a few months) I have to upgrade the MySQL version from 5.0 to 5.5 on a CentOS 5 system. The installation itself, and the upgrade via MySQL 5....
1
vote
1answer
62 views

pacemaker virtual ip loadbalancing with clone and clusterip

I am trying to make a loadbalanced gateway for a group of natted machines. I have 3 centos nodes. Initially only one node was supposed to have the internal gateway ip and that works well. Traffic ...
0
votes
0answers
10 views

Error when start cman service

When I start cman service, the error below happen Starting cman... corosync died: Error, reason code is 1 However, I check that corosync is running. Is there anyone had the same problem? Here is ...
0
votes
1answer
22 views

Corosync configuration with puppet

I'm relatively new to puppet, and I'm trying to create a configuration with puppet that will spit out a ready-to-go production system, like we're currently using. I'm using Debian Jessie with Puppet ...
0
votes
0answers
64 views

Zookeeper can work with Pacemaker?

As mentioned in the title, do you think Zookeeper can work with Pacemaker instead of Corosync? Is there any examination about that? Thanks for your help!
2
votes
1answer
56 views

(Pacemaker) Nginx uses primary IP address instead of virtual IP to communicate with web servers

I have set up a two-node cluster (active/passive) with Corosync/Pacemaker and nginx as a reverse proxy. OS is RHEL7 and the machine has only one network interface at the moment. I configured two ...
1
vote
0answers
27 views

Configuring a corosync as a witness server

Is it possible to add a witness node to a corosync cluster The cluster is running a 3 node setup: 2 applications server running MariaDB with Galera cluster. 1 "witness" server running Galera ...
1
vote
1answer
2k views

Corosync/Pacemaker + Haproxy Failed Actions: insufficient privileges

I setup a Corosync/Pacemaker cluster + HAproxy using the following guide on Ubuntu 14.04 LTS: http://www.sebastien-han.fr/blog/2012/04/15/active-passive-failover-cluster-on-a-mysql-galera-cluster-with-...
1
vote
2answers
93 views

pacemaker corosynce lsb resource script( Sybase Database ASE Server and Backup Server)

I'm trying to create a lsb resource with pcs on rhel7.2 The "sybase" script is about Sybase Database ASE Server and Backup Server Startup & Stop & Restart $ status script Before [root@...
0
votes
1answer
23 views

Two nodes of corosync are offline

I saw: This question. 192.168.2.0/24 - Office net with GW ..2.1 According to the Corosync documentation, if the local interface is 192.168.5.67 with netmask 255.255.255.0, set bindnetaddr to 192.168....
2
votes
1answer
41 views

In a Pacemaker cluster, is there any way to set start-failure-is-fatal on a per resource basis?

I've got it set cluster-wide currently, but I'd really like it to be set to 'true' by default and false for only my Slave DRBD resource. Using Pacemaker 1.1.12 and Corosync 1.4.8.
0
votes
1answer
45 views

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' ...
0
votes
0answers
38 views

SUSE nfs cluster with STONITH

I have a problem that's bugging me for a long time(a few months) . I'll do a summary of the issue : 1) corosync NFS cluster of 2 HP Gen 8 servers, OS : SUSE Linux Enterprise Server 11 (x86_64) ...
2
votes
0answers
70 views

crm_mon -E does not run the external-agent on Debian Jessie

Setup I'm currently having a working 2-nodes HA cluster using Pacemaker+Corosync. My nodes are running on Debian 8 (Jessie). Now I would be able to get notified when changes occur in the cluster (...
2
votes
1answer
248 views

Multi-state MySQL master/slave pacemaker resource fails to launch on cluster nodes

Setup I'm setting up an HA cluster for a web application using two physical servers in a Corosync/Pacemaker managed cluster. After finding out I was heading the wrong way, I decided to use heartbeat'...
2
votes
1answer
57 views

Get IP of node running a specific resource when demoting master nodes to slaves

Setup I am setting up a HA cluster for a web application with 2 nodes (2 physical servers): node1 (current master node) node2 (current slave node) Using Corosync & Pacemaker I was able to ...
0
votes
1answer
241 views

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 ...
0
votes
1answer
97 views

how to make a Virtual ip on a 2 nodes cluster

i have a specific question, her's my situation : 1- 2 vms with drbd - pacemaker - corosync - NFs - here's my crm configuration : node san1 node san2 primitive drbd_res1 ocf:linbit:drbd \ params ...
3
votes
1answer
177 views

Possible to set the specific order of a resource in a Pacemaker group?

Given the Pacemaker/Corosync resource configuration described below, is it possible to add a resource in a specific position within the resource group? The configuration is CentOS 7.2 using the RHEL-...
1
vote
1answer
612 views

Can not start PostgreSQL replication resource with Corosync/Pacemaker

I'm setting up a PostgreSQL replication on two servers (CentOS 6.5) with HA by Corosync/Pacemaker. My software info: postgresql91-9.1.19-1PGDG.rhel6.x86_64 postgresql91-server-9.1.19-1PGDG.rhel6....
1
vote
0answers
78 views

pacemaker supervisord and resource groups

For environment and config pls check 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=...
1
vote
0answers
65 views

new two node cluster not behaving right

Been new to pacemaker, I’m trying to create my first cluster of two nodes, but it seems to behave a little strange. Following this guide but am unable to do f.ex.: [root@afnA ~]# pcs property set ...
0
votes
0answers
227 views

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 ...
1
vote
0answers
86 views

Pacemaker failover on service failure without managing the service

I have a rabbit mq ha/cluster, and a virtual ip shared between the two nodes by pacemaker. The problem is that pacemaker will only failover if the entire active host goes down, but not if rabbit mq ...
1
vote
1answer
903 views

Configuring resources for Galera and Corosync/Pacemaker

I can't seem to find a proper way of setting up resources in pacemaker to manager my Galera cluster. I want a VIP that will failover betwen 5 boxes ( this works ), but I would also like to tie this ...
0
votes
1answer
403 views

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 ...
2
votes
0answers
458 views

SLES 12 High Availability Cluster - scsi persistant reservation fencing

I'm trialling SLES 12 w/ HAE to run a Fileserver cluster consisting of two nodes. Idea was to use SCSI persistant reservation as a fencing method using the fence_scsi script from stonith fence agents. ...
3
votes
0answers
648 views

Pacemaker ocf:heartbeat:IPaddr on different subnets

I'm trying to add a Pacemaker virtual IP address; with it, the gateway, and the two VMs it serves on different subnets. I've only done this before with all IPs on the same subnet, and I need some help....
1
vote
0answers
357 views

corosync & pacemaker master / slave VIP

I'm looking for a way to have a master/slave fail-over that share 2 common virtual-IPs (on Ubuntu): vip1: 10.0.0.171 vip2: 10.0.0.172 master: 10.0.0.181 slave: 10.0.0.182 I need the following ...
2
votes
1answer
560 views

Start at boot time Corosync 2.X + Pacemaker 1.1 cluster (Debian Wheezy)

I can't find a way to start cluster (corosync+pacemaker) at boot time in Debian I have updated a 2 node cluster with the following configuration on both nodes: Debian Wheezy 7.7 Corosync v2.3.4 ...
1
vote
2answers
89 views

Corosync on cloud servers

I have two Oracle Linux 7 servers on cloud and I want to use Corosync. Servers are on the same cloud network (not LAN), but they only have one nic. Here are the conf files. Server A: totem { ...
0
votes
1answer
258 views

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 ...
1
vote
0answers
107 views

corosync/pacemaker “stale” state after a week of running

I have a simple 3 node pacemaker/corosync setup. Ubuntu 14.04.2. 3 nodes, 2 resources - IPs - configured. ii crmsh 1.2.5+hg1034-1ubuntu4 all CRM ...
0
votes
0answers
568 views

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 ...
4
votes
1answer
160 views

Pacemaker error on failback with drbd

I have two nodes in my cluster with drbd+pacemaker+corosync When the first node fails, the second assumes the service and it's ok, but when we have to failback (node1 back online) it shows some errors ...
1
vote
0answers
609 views

corosync is not in sync

Could you please help out show me how to form a cluster? corosync & pacemaker are used. two nodes rac0 ip 192.168.0.140 & rac1 ip 192.168.0.142 They are not shown in each other. They are ...
2
votes
0answers
192 views

How to let Corosync / pcs control nginx?

Folks, I'm trying to replace a single aging load balancer with multiple virtual machines running nginx. However after I got centos 7 and nginx installed I realized that heartbeat has been deprecated....
2
votes
0answers
338 views

Is it possible to prevent pcs/dlm/crm from fencing the node when it fails?

Is it possible to prevent pcs/dlm/crm from fencing the node when it fails? I use cluster only to be able to build GFS2 storage, and there's my own way of avoiding split-brain. So I do not need things ...
0
votes
1answer
202 views

Is it possible for corosync / pacemaker to consider a node active only if a particular process is running?

I want a node to be considered "online" (and thus able to get resources) only after it is ready for them (that is, a particular process is up and running.) Is there a way to configure pacemaker to ...
0
votes
0answers
369 views

VIP (using corosync + pacemaker) not accepting traffic until ifdown / ifup is called

I'm running Corosync + Pacemaker on Ubuntu 14.4. I set up two nodes with two VIPs, and when I bring pacemaker down in one node, the VIPs do go to the other, but no traffic actually goes through the ...
0
votes
2answers
6k views

corosync pacemaker crm status show DC : none and offline

i'm new to corosync and pacemaker and try to build cluster by using vm node1 & node2. here is the /etc/corosync/corosync.conf # Please read the corosync.conf.5 manual page compatibility: ...
1
vote
1answer
4k views

could corosync can support unicast heartbeat mode?

could corosync can support unicast heartbeat mode? from another thread in serverfault, some guy raised below corosync conf: totem { version: 2 secauth: off interface { ...
0
votes
2answers
2k views

Failover pacemaker cluster with two network interfaces?

So, i have two test servers in one vlan. srv1 eth1 10.10.10.11 eth2 10.20.10.11 srv2 eth1 10.10.10.12 eth2 10.20.10.12 Cluster VIP - 10.10.10.100 Corosync config with two interfaces: ...