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).
0
votes
0answers
20 views
Linux-HA pacemaker cluster resource agent for multiple IPs
Is there a pacemaker/corosync cluster resource agent that is able to manage multiple IP addresses at once?
When we configure IP addresses as cluster resources with ocf:heartbeat:IPaddr2 it takes ...
0
votes
0answers
10 views
Pacemaker configuration with different dependencies
I have two-node HA environment with services that I want to be partially independent.
There is active/active sip service with two floating IPs.
There is also two active/active groups with java ...
0
votes
0answers
36 views
corosync + pacemaker cluster issues
I have created pacemaker/corosync cluster, and I am using:
pcs resource rsc defaults resource-stickiness=100
I tried multiple time, but resource stickiness is not working. For e.g.: node_1 and ...
0
votes
1answer
41 views
can you give me feedback on an HA architecture using linux-ha and pacemaker?
I am trying to come up with an architecture for achieving HA on one of our services (in-house service, single tcp connection for all requests). Just started reading on linux-ha and pacemaker, and i'd ...
2
votes
1answer
106 views
Relation between Heartbeat and Corosync on openSUSE
I'm moving a Heartbeat + Pacemaker setup to openSUSE 12.1. It turns out that Heartbeat isn't supported on this platform anymore, and therefore it is not available from the official repos.
Switching ...
0
votes
0answers
21 views
Can a Pacemaker cluster change VM memory allocation based on RAM availability on each node?
I'd like to build a two or three node Pacemaker cluster that would manage Xen (or possibly KVM) virtual machines.
Is it possible to set up the Pacemaker cluster (or some of its components) in such a ...
0
votes
1answer
1k views
crm command(cluster managment for pacemaker) not found in latest Centos 6
I have done such setup before, was no any issues. Now i can't do "crm configure" becuase no crm command availible in current package.
Am I missing something?
Maybe it replaced by other way/command?
...
0
votes
2answers
77 views
can heartbeat notice a stopped service and re-start it
I have two nodes, the complete IP failover works for them very well - when node 1 is down, node 2 grabs the IP and starts services.
What i would love to know is:
if the server 1 does not crash ...
-1
votes
2answers
273 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 ...
0
votes
1answer
153 views
PacemakerDRBD Mount Issue
We are stuck trying to get pacemaker to work with DRBD, and having tried various alternatives can't get our "drbd1" to mount and get some errors.
NOTE: we are trying to get pacemaker to work with an ...
1
vote
1answer
92 views
Pacemaker cluster: Xen RA vs libvirt RA
Building a pacemaker cluster to manage Xen domU virtual machines the sysadm can choose between to different resource agents:
the dedicated Xen resource agent (ocf:heartbeat:Xen)
the libvirt based ...
0
votes
1answer
135 views
Linux-HA Pacemaker.. NFS Resource starting “unmanaged”
My cluster I've been working on just starting acting up out of no where... It looks like I'm having an issue with the exportfs resource.
Any ideas on how to troubleshoot this? I can find nothing for ...
3
votes
1answer
159 views
Add MySQL as a resource to pacemaker
I am trying to enable fail over strategy using pacemaker on a mysql Master-Master replication on two virtual machine running openSUSE 12 created by VritualBox.
I managed to complete the mysql ...
0
votes
1answer
57 views
does heartbeat v3 support same resource agent types of pacemaker?
As we know, Pacemaker supports three types of Resource Agents,
LSB Resource Agents,
OCF Resource Agents,
legacy Heartbeat Resource Agents
http://www.linux-ha.org/wiki/Resource_Agents
...
1
vote
0answers
282 views
Nginx Active/Active Cluster Setup
I am currently attempting to configure a pair of load balancing servers in an Active/Active configuration using the following:
Nginx
Corosync
Pacemaker
Applicable instructions were followed ...
1
vote
1answer
223 views
Pacemaker corosync 2-node with a 3rd for quorum
I'm having trouble figuring out how to configure a 2-node setup with a third
simpler one for quorum.
It seems to think all the nodes have the capability to act as a full fallback node, when I only I ...
1
vote
1answer
290 views
STONITH with a DRBD/Pacemaker/Corosync 2 node cluster
So I am seeing a lot of conflicting viewpoints out there on using STONITH with a 2-node DRBD/Pacemaker/Corosync cluster for replicating MySQL data. The example I could find on the Pacemaker website ...
3
votes
1answer
874 views
Secure IPTables rules for Corosync
I have two HA load balancers (hollywood and wolfman) running Corosync and Pacemaker. The eth1 interfaces are connected to the WAN, and the eth0 interfaces to the LAN, using a virtual IP as the gateway ...
4
votes
1answer
873 views
Monitoring Varnish with Heartbeat and Pacemaker
I have a pair of servers setup as high availability load balancers/reverse proxies. Each runs Ubuntu 12.04 x64 Server, Varnish, Heartbeat and Pacemaker, with Varnish load balancing traffic to back-end ...
0
votes
1answer
192 views
NFS exportfs spamming logs. Is this a broken setup?
I have a NFS server running Ubuntu 10.04, serving an OCFS2 filesystem. The setup is somehow complicated because the server has Heartbeat and Pacemaker installed to make a cluster with another server.
...
5
votes
1answer
2k views
MySQL: Pacemaker cannot start the failed master as a new slave?
pacemaker-1.0.12-1
corosync-1.2.7-1.1
I'm going to setup failover for MySQL replication (1 master and 1 slave)
follow this guide:
...
2
votes
1answer
1k views
IP failover with 2 nodes on different subnet: cannot ping virtual IP from second node?
I'm going to setup redundant failover Redmine:
another instance was installed on the second server without problem
MySQL (running on the same machine with Redmine) was configured as master-master ...
4
votes
1answer
235 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 ...
0
votes
1answer
321 views
How do you configure Pacemaker to mount the DRBD data directory on the slave?
how do you get the Slave node of a DRBD pair to mount the data directory so data can be sync'd?
I went through the following guide: https://wiki.edubuntu.org/ClusterStack/Natty#Prepare_Partitions to ...
0
votes
1answer
648 views
Make pacemaker retry failed resources
I would like to get pacemaker to retry starting my resource
primitive Imq ocf:example:imq \
op monitor on-fail="restart" interval="10s" \
op start interval="0" timeout="60s" on-fail="restart" \
...
0
votes
0answers
1k views
Corosync unicast issue with different nets
I'm using a setup (on our staging-system) with 2 root-servers and 1 fail-over-ip.
As software we use corosync and pacemaker.
Corosync is configured for multicast communication via port 5405.
--> ...
0
votes
1answer
225 views
Monitoring pacemaker
How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down?
Monitoring the services isn't the problem, this can be done directly. But ...
-1
votes
1answer
90 views
Active node stops resources when pasive node is shutdown
2 nodes, active/pasive. 2 resources, a virtual ip, openLdap, and the nfs mount where openldap saves the data.
When both nodes are up, things worked fine. You could move resources away and put the ...
1
vote
2answers
4k views
How to setup STONITH in a 2-node active/passive linux HA pacemaker cluster?
I am trying to setup an active/passive (2 nodes) Linux-HA cluster with corosync and pacemaker to hold a PostgreSQL-Database up and running. It works via DRBD and a service-ip. If node1 fails, node2 ...
0
votes
1answer
409 views
How to run multiple Heartbeat/Corosync/Pacemaker clusters in the same network? (Quorum)
We intend to run several components to run a web site. Like a load balancer, a cache and a couple of web serserves. To avoid single-points-of-failure we intended to use Heartbeat/Corosync/Pacemaker ...
6
votes
1answer
2k views
Pacemaker Active/Active haproxy load balancing
I am using Haproxy to load balance replicated mysql master servers. I am also using Heartbeat and Pacemaker for Active/Active ip failover with two virtual ips on the two load balancers for web server ...
3
votes
1answer
942 views
Heartbeat Pacemaker 3 node/ip failover
I have setup two node active/active ip failover with heartbeat and pacemaker following the link at zivtech on the two load balancers for the backend web servers. Two LBs has public ip each which is ...
0
votes
1answer
256 views
Pacemaker behavior colocation Xen domU resources, is this expected?
I am using Pacemaker+OpenAIS+Corosync on OpenSuSE 11.3 running Xen, and am trying to determine if the behavior I see when colocating Xen domU resources is expected or not.
Cluster nodes / dom0:
...
0
votes
2answers
2k views
Configuring RHEL6.1 GFS cluster
I need to configure 3-node cluster with shared GFS2 filesystem. GFS2 needed as common Documentroot for apache behind the balancer.
Can you suggest some guide on how to configure ...
1
vote
0answers
416 views
OCFS2/GFS2 dlm_join_lockspace no fence domain
Ripping my hair out on a new Pacemaker/cman/(OCFS2|GFS) config. I can't use the Pacemaker integration with OCFS2, since the Fedora team, in their wisdom, decided to remove the .pcmk.
Supposedly, I ...
0
votes
1answer
771 views
Pacemaker complex resource colocation
I am working on a pacemaker project for our master and slave databases to perform IP based failover. There will be two IP resources, one for the master, and one for the slave that have to move ...
0
votes
1answer
488 views
CentOS or Ubuntu server for pacemaker (heartbeat) cluster? [closed]
Could someone share their knowledge and experience with CentOS and Ubuntu server management, maintenance capabilities and community support? I would be running pacemaker cluster and LAMP stack on it ...
1
vote
1answer
318 views
How do I test load balancing in my LAN?
I recently posted a question regarding the issue of loadbalancing webservers on a budget. It's finally time to begin the testing so I thought about setting up two or more Ubuntu VM's in my LAN running ...
1
vote
1answer
840 views
Linux-HA + dm-multipath: path removal causes segfault, kernel null pointer dereference, and STONITH
well I am setting up a Linux-HA cluster running
*pacemaker-1.1.5
*openais-1.1.4
*multipath-tools-0.4.9
*OpenSuSE 11.4, kernel 2.6.37
Cluster configuration passed healthcheck by LinBit, so I'm ...
0
votes
3answers
1k views
Pinging Virtual IP for Linux HA cluster from a different subnet does not work
I have setup a Linux cluster with Corosync/Pacemaker, and the two cluster nodes are within the same subnet sharing a virtual IP. For machines within the same subnet, they can ping the virtual IP ...
0
votes
1answer
435 views
after split brain recovery filesystem not mounted
I have an active/passive high availability cluster with pacemaker+split brain. After split brain condition I use automatic split-brain recovery to recover my systems.
The problem is that since file ...
1
vote
1answer
973 views
LDAP (389 Directory Service) and Pacemaker with Multi-Master
I'm trying to setup a pair of LDAP servers running 389 (formerly Fedora DS) in high availability using Pacemaker with a floating IP. In addition, 389 supports multi-master replication, where all ...
8
votes
7answers
10k 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 ...
2
votes
1answer
953 views
Pacemaker virtual IP and IPTables
I'm attempting to set up a cluster of two VMware VMs running Heartbeat, Pacemaker and Varnish on Ubuntu Server 10.04, with the intent of using them as a main and backup loader balancer to further VMs. ...
12
votes
1answer
4k views
Which messaging layer to use, Heartbeat or Corosync?
Just about finished my research into setting up a web server cluster and I'm still undecided as to which messaging layer to use with Pacemaker. The servers I'm using are all Fedora so both layers are ...
0
votes
1answer
964 views
Linux HA cluster w/Xen, Heartbeat, Pacemaker. domU does not failover to secondary node
I am having the followig problem with an OenSuSE + Heartbeat + Pacemaker + Xen HA cluster: when the node a Xen domU is running on is "dead"
the Xen domU running on it is not restarted on the second ...
0
votes
1answer
303 views
Pacemaker monitoring mysql
I have Pacemaker+Corosync set up to manage a shared IP address between two Mysql boxes in Master-Master/Active-Passive setup (using interleaved primary keys).
I have Pacemaker set up to manage the ...
3
votes
3answers
2k views
Do Pacemaker, Heartbeat, etc. make sense for EC2?
Does the Pacemaker ecosystem (Corosync etc.) make sense in the context of EC2? Up till some point, Corosync required IP multicast (not available on EC2), but I think it has broadcast now. Still, are ...
5
votes
8answers
1k views
Linux stretch cluster: MD replication, DRBD or Veritas?
For the moment there's a lot of choices for setting up a Linux cluster.
For cluster manager: you can use Red Hat Cluster manager, Pacemaker or Veritas Cluster Server.
The first one has the most ...
0
votes
1answer
872 views
Corosync - stopping the service crashes the server
I am trying to set up a test cluster on a Xen Server with 2 paravirtualized CentOS 5.4 machines. I am using Pacemaker+Corosync, and following the instructions found at ...
