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Questions tagged [heartbeat]

heartbeat was initially developed by Alan Robertson. Later SuSE got into as well (Lars Morowski). It started as a simple two-node-cluster with ASCII-configuration files (v1-syntax) and developed into a complex cluster with xml-configuration (v2).

This wikipedia-entry explains it further

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Heartbeat cluster - issue resource(httpd) migration back to primary

We have given the following setting with corosync and pacemaker. crm configure rsc_defaults resource-stickiness="100" And it works fine when the primary server goes down. But it wont work revers, resource(httpd) migration back to primary after…
Aha
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Heartbeat (without ldirectord etc) for a floating IP address?

I have two load-balancing servers running mod_proxy_balancer. Each server balances between two web servers. Now I'd like to find a way to share a single IP address between those two load-balancing servers, in a way that will fail over. Is it…
Richard
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Heartbeat removes default gateway

I'm setting up 2 mailservers (Postfix) with heartbeat failover & drbd shared maildirs. For some reason, when starting the heartbeat, the default gateway is lost. Any idea how / why this happens and what the solution is? /etc/network/interfaces: #…
Wrikken
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Is there a good resource file for heartbeat/pacemaker to control Varnish?

We use the Varnish HTTP accelerator, and heartbeat. It would be good to have heartbeat aware of varnish so it can handle moving IPs and starting up varnish as one service and ensure that the route through from the outside works Does anyone know of…
Kirrus
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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 together. I realize that what I have marked below is…
Aaron Brown
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How do I set up virtual IPs on a private LAN?

I am setting up heartbeat on a few servers that will only be responding on the private lan (192.168.1.x). We are using a sonicwall 2400 router. How do I go about setting up some of those IPs to be virtual, so that heartbeat will listen to them and I…
jjriv
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Checking if server is alive and taking action if it isn't

Possible Duplicate: What tool do you use to monitor your servers? I am looking for a monitoring solution for a server farm. It should resolve following issues: Detect if the host has failed or alive and if possible detect whether the host really…
shreyas
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DRDB and NFS: NFS downtime during failover restoration

I'm pretty new to DRBD and NFS, and am in the process of testing a DRDB server with heartbeat to use for our company's NFS share. The entire setup is running fine, with the NFS state directory running on the DRDB share as together with the actual…
Willemk
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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 "135.121.192.104" successfully. However, if I…
user52498
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MySQL replication using DRBD, distributed lock manager?

I need to implement Linux-HA configuration in two servers. I've decided to use DRBD for block level replication on both hosts, mainly for MySQL data replication. As I understand, in DRBD configuration there's always a primary server, others are…
Karolis T.
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Cannot access LAN virtual IP from WAN using iptables NAT

Here's the setup: 2 servers running CentOS 5.6 (hostnames = "master1" and "master2") "master1" LAN IP is 10.224.45.130 and WAN IP is 184.107.x.1 "master2" LAN IP is 10.224.45.131 and WAN IP is 184.107.x.2 Apache + Heartbeat installed on both, with…
Sarah Ryan
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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 node. The cluster is setup with two nodes, each…
Kendall
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Heartbeat or bash or something else for trivial cluster management?

I think what I am trying to do can be achieved using bash scripts, but I could definitely use some help here ! Ok, here's the scenario: I have a two-node MySQL cluster with Master-Master replication in place. Now, the application in question (SOGo)…
Mohit Chawla
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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 shared IP between the two machines, however, it…
davidsmalley
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Heartbeat (Linux HA) and NetApp?

Does anyone have any experience setting up a high availability two node Linux cluster using heartbeat (linux-ha.org) and NetApp storage (preferably using SnapDrive for Linux)? Basically I would like to mount the same NetApp LUN over Fibre Channel to…
Drew
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