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).

learn more… | top users | synonyms

0
votes
1answer
13 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
53 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 ...
1
vote
0answers
50 views

Failover pacemaker cluster, packet loss monitor

It's issue is continued from this. 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 ...
0
votes
2answers
64 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: ...
0
votes
1answer
72 views

Split brain on DRBD and Pacemaker cluster

I want to put into your consideration the following situation that is currently happening on our active-passive cluster (DRBD, Pacemaker, Corosync, PostgreSQL) OS: Ubuntu server 14.04 x64 DRBD: 8.4 ...
1
vote
0answers
98 views

monitor of systemd resource with pacemaker & corosync returns “not running” when cloned while it is

The setup: - OS: CentOS 7, latest versions op Corosync, Pacemaker & PCS - two node active/active cluster with a virtual IP - on both nodes Exim is running for outoging mail (SMTP), nothing special ...
0
votes
0answers
102 views

Easiest way to install pacemaker-1.1.6 on Ubuntu 14.04 Trusty?

TLDR: see the subject line. Now here's the motivation... We have some existing clusters that successfully use Heartbeat 3.0.5 together with Pacemaker 1.1.6, on Ubuntu 12.04LTS Precise Pangolin. $ ...
0
votes
0answers
70 views

Corrupt qcow2 files on Ubuntu/CMAN/Pacemaker/OCFS2 Cluster

I configured a 2-node cluster based on Ubuntu 12.04 LTS. The 2 servers are connected through Fibre Channel(HP 82E 8Gb 2-port PCIe Fibre Channel HBA) to a HP MSA 2040 SAN. Server 1 is a HP DL380 G6. ...
1
vote
0answers
144 views

DRBD + corosync + pacemaker - Servers won't connect after failover

I got 2 servers configured with drbd, corosync with pacemaker. It is all working fine, primary server gets secondary if it fails, and secondary gets primary. But if the 1st server comes up again ...
1
vote
2answers
111 views

Debian 7: HA NAS with pacemaker, drbd and iSCSI

I currently am trying to make a highly available NAS under debian 7. I am using following packages: drbd8-utils iscsitarget iscsitarget-dkms pacemaker corosync ...
0
votes
1answer
365 views

pacemaker node is UNCLEAN (offline)

I am following the http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html/Clusters_from_Scratch/_verify_corosync_installation.html document for setting up a 2 node cluster in AWS. The two nodes have ...
0
votes
1answer
68 views

Monitoring pacemaker with url trigger external agent

I have a HA setup, which now the only resource configured is Heartbeat with Active/Passive Configuration. Both running Debian 7, 64-bit in the cloud. Now i want to trigger an URL with the information ...
1
vote
0answers
41 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 ...
0
votes
1answer
55 views

Is it possible to configure pacemaker with a configuration file?

I'm trying to configure pacemaker with a config file (that I can automatically generate and then ask pacemaker to "reload"). But all the examples that I see are for command-line commands or the ...
3
votes
1answer
83 views

IPTABLES for multiple Public IP Addresses

Currently i have two servers Running Debian 7 with HA Active/Passive setup using Pacemaker and Corosync as follows: node1->IP->xx.xx.xx.1 node2->IP->xx.xx.xx.2 VIP(Floating IP) ...
0
votes
1answer
51 views

How to integrate the fence_cisco_ucs.py(python) script with the pacemaker-1.1.10 and corosync-2.3.3

I have CentOS 7 on the Oracle VM VirtualBox. I have installed the pacemaker-1.1.10, corosync-2.3.3 and pcs tools. I able to create normalocf::heartbeat:IPaddr2 and ocf::heartbeat:apache etc resources. ...
0
votes
1answer
110 views

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 ...
1
vote
1answer
381 views

Corosync/Pacemaker + Haproxy Failed Actions: insufficient privileges

I setup a Corosync/Pacemaker cluster + HAproxy using the following guide on Ubuntu 14.04 LTS: ...
0
votes
2answers
117 views

the pacemaker can't start the drbd resource

here is crm the configure show [root@node1 /]# crm configure show node node1 node node1.mycluster.org node node2 node node2.mycluster.org primitive Apache apache \ params ...
0
votes
0answers
86 views

mkfs.gfs2 failing silently on centos7 cluster?

I'm building a test cluster using centos7 and pacemaker, with shared storage on GFS2 over clustered LVM. I've set up a 2-node cluster, dlm and clvmd, both nodes can see the clustered logical volumes. ...
0
votes
1answer
302 views

pacemaker config resource for nginx

i'm trying to build cluster by two vm using virtualbox i follow this tutorial http://www.tokiwinter.com/clustering-with-drbd-corosync-and-pacemaker/ and type the command as below [root@node1 data]# ...
0
votes
2answers
858 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: ...
2
votes
1answer
100 views

How do I set the pacemaker cluster name with pcs?

I'm running two pacemaker clusters on the corosync stack on CentOS 7 with all packages up to date with the distro release/updates packages. Both clusters shows no cluster name with the command pcs ...
1
vote
1answer
56 views

Corosync 2.3.3: Unable to enable cipher

I'm trying to set up a new pacemaker/corosync stack of 2 machines. I was using it before with corosync1, but on Ubuntu 14.04 I've got corosync 2.3.3 OK - I said, and tried to use this version of ...
1
vote
1answer
72 views

Can no longer add VMs on Xen/DRBD/Pacemaker Cluster

OS: Debian 7.3 & 7.6 Problem: Every attempt to manipulate (create, migrate or even list) the VM's with virsh causes this "Failed to get host power capabilities" warning. I manage a standalone ...
0
votes
2answers
386 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 ...
0
votes
1answer
109 views

How can CMAN restart after a network failure

I try to configure a 3-nodes HA cluster with pacemaker/cman on centos 6.5. STONITH is disabled (pcs property set stonith-enabled=false). When I simulate a network issue (iptables -A INPUT -s ...
0
votes
0answers
102 views

RabbitMQ master-master queue replication

Is there such thing as master-master queue replication for RabbitMQ (or active/active setup)? I am looking for a solution to make rabbitMQ HA. What I am wishing to achieve is to put rabbitMQ behind ...
0
votes
1answer
38 views

Resource serving is back to the primary node even though stickiness is set

This is my current proof-of-concept set up node ha1 node ha2 primitive HA-mysql lsb:mysql \ op monitor interval="15s" primitive VIP ocf:heartbeat:IPaddr2 \ params ip="10.100.0.10" ...
1
vote
1answer
298 views

Simple fencing/STONITH script in Centos 7

I am installing a simple Corosync/pacemaker/drbd high availability cluster using Centos 7 and would like to provide fencing/STONITH using custom hardware (power switches using USB connections). As ...
0
votes
1answer
90 views

Corosync and Pacemaker deployment

I'm currently working on a deployment architecture for a Postgres HA 1 Master/ 1 Slave scenario. After reading lots and lots of documentation I've decided to start using Pacemaker in conjunction with ...
0
votes
2answers
184 views

Corosync :: Restarting some resources after Lan connectivity issue

I am currently looking into corosync to build a two-node cluster. So, I've got it working fine, and it does what I want to do, which is: Lost connectivity between the two nodes gives the first node ...
0
votes
1answer
188 views

uwsgi + Django with nginx: High Availability Setup

Moved from : http://stackoverflow.com/questions/25304968/uwsgi-django-with-nginx-high-availability-setup to here. I was setting up High Availability on RHEL 6.5 . My Stack is 1. uwsgi 2. nginx ...
1
vote
1answer
317 views

Corosync dynamically add node

I have been experimenting with Pacemaker & Corosync for a HA setup. I installed it on two Ubuntu 14.04 Linode's and after a lot of back and forth on outdated config examples and tutorials, managed ...
0
votes
0answers
257 views

RHEL/Centos 6 Cluster multi-site configuration with Pacemaker and split brain situation

I would configure a 4-nodes cluster using RHEL 6.5 and Pacemaker as reported in the official documentation ...
3
votes
2answers
184 views

Importance of ha.cf file in a heartbeat/pacemaker environment?

I'm having a few issues trying to understand ha.cf and how the cluster picks up on updates. For example, when creating a new cluster, I usually: Set some default options in ha.cf on node 1 - node x ...
3
votes
0answers
686 views

Pacemaker DRBD resource not getting promoted to master on any node

First off, I'm no linux specialist, I've been following tutorials and been working with the help of google, this worked out fine until now, but currently I'm stuck with a problem. I'm using CentOS 6.5 ...
1
vote
1answer
331 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 ...
1
vote
1answer
257 views

ldirectord ipvsadm not show reals ip and not work wtih pacemaker and corosync

first thanks for your time. I'm having a problem with ldirectord that I can not solve, I comment my situation: I have two nodes with pace maker and corosync and configure somes resources: ...
1
vote
1answer
689 views

PostgreSQL master constantly demoted by pacemaker with repmgr

I'm in the process of setting up a PostgreSQL 9.2.8 cluster made of 2 nodes, one master, and one slave. I use streaming replication and repmgr 2.0. My platform is RHEL 6.3. Master and slave can be ...
2
votes
1answer
1k views

multicast address use in corosync

I'm wondering about the purpose of the multicast address in the corosync messaging software : Since we have to bind each net interface with an IP address and a specific port, and each ring communicate ...
2
votes
1answer
561 views

NFS failover fails with stale file handles while migrating resources

Running into a bit of a problem here , I set up two servers ( Centos 6 ) with Glusterfs and a shared directory between them, I have moved the nfs directory to the shared Gluster folder and have ...
2
votes
1answer
1k views

2 corosync nodes not online together (one offline, one online)

I am currently trying to set up corosync based on this tutorial: http://www.howtoforge.com/how-to-set-up-an-active-passive-postgresql-cluster-with-pacemaker-corosync-and-drbd-centos-5.5-p3 However, ...
1
vote
0answers
95 views

High Availability/failsafe two different locations

I am wondering if someone could help with the setup that does not seem so difficult. I am just beginning with the multi-server setup. I apologize if my questions are dumb. I have two debian servers ...
0
votes
1answer
192 views

Pacemaker: dynamic location constraints

I have a corosync cluster involving several machines that have different roles within the cluster. I have some clone resources grouped together and I set up everything to behave as an opt-in cluster: ...
0
votes
2answers
860 views

Starting a service in a corosync pacemaker failover cluster

first off all my setup 2 VM running Fedora 19 in a pacemaker/corosync failover cluster, they have 1 cluster IP 1 VM running Fedora 19 monitoring both VM's with nagios Right now nagios is running on ...
0
votes
0answers
499 views

AWS VPC custom VIP: How to get a IP Address assumption to work across two EC2 VPC instances?

I created an AWS VPC and three instances therein (head, nodeA, and nodeB). I also associated them all with a security group that allows fully open networking among the private (RFC-1918) addresses ...
1
vote
2answers
422 views

Redis: Configuration Options for limiting key/value sizes?

My boss recently asserted, in conversation, that Redis supports some configuration options for controlling maximum key or key/value sizes ... so we could set some option to prevent our applications ...
1
vote
1answer
135 views

Installing DRBD on XEN CentOS 5.8 (Stable)

I am trying for days to achieve HA with fault tolerance between my existing two XEN VPS's one located in Tokyo and the other located in US (both have the same setup and the same configurations, I am ...
1
vote
0answers
35 views

pacemaker cluster heavy load with sbd and noop scheduler

Anybody have experience with nood scheduler? i know the sbd process is a real time process, so with default linux io scheduler cfq, the sbd process works very well on high io heave load. The noop ...