Questions tagged [corosync]
158 questions
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Clustered Apache 2.4 LoadBalancer displays no content on /balancer-manager
I have a Clustered Loadbalancer (pacemaker, corosync, apache 2.4) on CentOS 7.
There are two configuration files, one for the actual balanced site and one for the balancer-manager. When I access the balancer-manager site, it practically displays an…
Chris
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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 Corosync on Ubuntu LTS.
What's currently not…
Oliver Weichhold
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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 '10node' both Failover Wan IPs. (aka resources…
moebius_eye
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DRBD/Corosync mysql clutser
I have configured HA cluster on two nodes host1 and host2. host1 is master and host2 is slave.
If I shutdown host1 then host2 never comes up as master until I restart openais service. Some time I have to restart several times.
If I start Host1…
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Cluster IP Address in HA Environment CentOS (5.x)
I am in the process of installing High Availability CentOS (5.x) setup with Fail-over capacity, I have 2 identical XEN VPS's in two different locations, every VPS has a private IP and a public IP, I am using the private IP on each node for the disk…
user204252
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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 both nodes all the time but I want that nagios is…
chosen
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Using DRBD with 100mbit uplink
we are planing to use drbd to sync two servers (different hardware) to get kind of HA in case the master server dies.
The servers are hosted physically in the same datacenter (Hetzner in germany) and they are running with openSUSE.
The main purpose…
Link.de
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How to make active/passive jboss resource in pacemaker
I want to configure my pacemaker for jboss server. I have 2 nodes with mysql master/slave configured. The problem is I want to start jboss on node which is located master database. The one possible solution for this: Start jboss on 2 nodes, but…
samlabs821
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Corosync with Pacemaker Resource explanation
I have the following resource:
primitive WowzaMediaServer lsb:WowzaMediaServer \
op monitor interval="30s" timeout="60" \
op start interval="0" timeout="60" \
op stop interval="0"
I would like to understand what does…
edotan
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Weird init script issue with corosync
This probably has a simple explanation, but I certainly can't think of it.
I've got corosync installed (via yum), with it's default init script. Something is strange on this particular CentOS installation as I often need to manually link…
user705142
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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 corosync+pacemaker+GFS2 on RHEL/SL 6.1?
BTW I don't need DRBD as I have…
Dmytro Leonenko
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How to make ping-check in case of split-brain?
What I want - in case of split-brain (connectivity loss between two nodes) ONLY, each node should check ping status and start resources if ping is OK. How to implement this?
"pcs config show", pretty self-explaining:
Cluster Name:…
ZZ Wave
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NFS Server - Corosync, DRBD & Pacemaker
I have 2 HA NFS server (Ubuntu with CoroSync, Pacemaker & DRBD).
Everything is working beautifully with one small issue.
If I kill an NFS it fails over seamlessly (NICE!)
As the killed node is coming back up it causes a 5-10 second disconnection of…
Matt Neubauer
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Corosync allowing resources on two systems
We are using pacemaker/corosync for HA. This includes both virtual IP's and software. The other day we had a failure and corosync showed the IPAddress started on both nodes which IMHO should never happen. Every time I ever took a node out of service…
Dovid Bender
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Pacemaker - Logging the result of a ping check?
I read this page and the next: https://clusterlabs.org/pacemaker/doc/deprecated/en-US/Pacemaker/1.1/html/Pacemaker_Explained/_moving_resources_due_to_connectivity_changes.html
And it explains how to set up a ping that you can link to the allocation…
KdgDev
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