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).
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DRBD node 2 doesn't become primary when node 1 restarts heartbeat but becomes Secondary/Secondary
I have an issue with heartbeat & drbd deployment for MySQL with 2 nodes on ubuntu 18.4.
It used to work fine, but now it seems like its working, node1 has floating IP, MySQL runs on node1,drbd ...
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50 views
drdb giving error when being restarted in the configuration process
I am setting up HA following this tutorial https://www.howtoforge.com/tutorial/ubuntu-drbd-heartbeat-high-availability/ but when i try to sudo systemctl restart drbd after sudo drbdadm create-md r0 it ...
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Route traffic through floating ip
I have a (kubernetes) cluster (3 servers, ips 172.20.10.[10,11,12]), and between them their is 1 floating ip (172.20.10.20).
My provider has an 1:1 NAT for an dedicated public ip to the floating ip.
...
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123 views
Does Splunk have a “heartbeat” feature?
I run an application with fairly chatty logs, which we are forwarding to Splunk. Users are building custom alerts (as well as searches and even dashboards) for themselves.
We are increasingly relying ...
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Keeping KVM's (libvirt) definitions on separate LV (in LVM), Debian 9
I'm setting up 2 box, active/passive high-availability cluster built on heartbeat, DRBD and LVM.
What I'm after is reliability and quick automatic failover rather than performance (as performance ...
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1answer
33 views
Heartbeat node that was kicked out doesn't rejoin virtual IP service [closed]
We have a 2-node heartbeat cluster that servers a virtual IP. Previous due to an error, the network interface for node1 died and resulted in the cluster kicking node1 from the virtual IP party.
Now ...
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1answer
72 views
Is it possible to maintain a configuration of an arbitrary resource using pacemaker cluster
What I understood is that with resource agents (which are exactly same on all nodes), pacemaker can start/stop resource on any node. But can we also use it to sync a configuraton file in all nodes in ...
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1k views
Configuring Heartbeat to run shell script
I set up a high availability system with Heartbeat, I wish that when there was a drop in the main cluster and the secondary cluster was activated, Heartbeat start in it and execute a shell script.
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How to determine Master priority in HA cluster based on connected interfaces
I want to make a DRBD cluster of 2 servers. Both have 2 interfaces bonded together. I want to be able to determine the master role based on connection metric. i.e how many of the network interfaces ...
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1answer
612 views
Adding a deafult route during heartbeat handover on debian
We have a heartbeat handover that goes on between 2 firewalls out of one of our networks, the interface that the handover happens on has no IP set by default and only gets this IP when the handover ...
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2k views
How to get Pacemaker to restart services in a group
I have a setup with 2 machines with Pacemaker and Corosync installed.
There I have a PostgreSQL Master/Slave Set running. The Master has a resource Group with a Virtual IP and two additional services ...
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1answer
664 views
HAProxy / Heartbeat - multiple floating IPs
I have successfully PoC'd the use of two HAProxy servers w/ heartbeat to load balance traffic between two squid servers with pass through Kerberos authentication in our shared services office. I've ...
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239 views
How to suppress a Heartbeat resource from starting in failover data center?
I have a pair of CentOS Linux servers in each datacenter. They have failover within each datacenter, managed by heartbeat and DRBD (I know these are outdated tools, but they are stable, so there's no ...
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1answer
400 views
Can I do the GlusterFS setup with a LB or heartbeat service in SLES 12? If yes, How?
I've installed GlusterFS on Suse 12 with 2 VMs & 2 replica. When one server goes down it doesn't failover to the 2nd IP automatically. Can I do the same with a loadbalancer or heartbeat service? ...
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1answer
277 views
How does Heartbeat CRM identify the node to be shot down in a cluster?
I am trying to understand the Heartbeat setup in a new environment. It is a 2-node cluster that is still using Version 1 of Heartbeat (the one that does not use Pacemaker CRM) and I have a fundamental ...
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1answer
222 views
Set default route to virtual ip
I have a Virtual private cloud running on 10.0.0.x. In this network two machines share a virtual ip to provide HA and connection to the internet via aaa.bbb.ccc.164. There configs are:
Proxy1:
eth0:...
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1answer
897 views
Debian Heartbeat IP Configuration
I need to setup a heartbeat with pacemaker based on debian OS where the active server virtual IP is 192.168.1.10 and the passive server virtual IP is 192.168.1.11. Both of the server is connected to a ...
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1answer
1k views
Using heartbeat with systemd
I'm using a simple setup with heartbeat handling a shared filesystem implemented with drbd and served via apache.
I'm using /etc/ha.d/haresources to define the ha resource, this way:
server1 drbddisk:...
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1answer
97 views
heartbeat turn on a third network card
I am trying to read the configuration of haresources of heartbeat to see how can I make this possible.
I have an IP given by my ISP and my servers are running heartbeat. So I want to turn on a ...
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139 views
How to turn off and on heartbeat service when haproxy is turned off and on?
I'd like the heartbeat service to turn off before haproxy is stopped and to turn on before it starts on a Ubuntu 14.04 Server. What is the best way to accomplish this? I'm sure one of these days I'm ...
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194 views
Can't start service zimbra on heartbeat
i want to start zimbra service with heartbeat on haresource file. but it cant start zimbra service after boot. im using centOs, this is my haresource file:
node1.lol.net IPaddr::192.168.1.99/24/eth0:...
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3k views
HAProxy + Heartbeat cluster active/active?
I have 2 servers running HAProxy to load balance some web servers and database servers with Heartbeat to cluster them in active/passive mode.
At the moment, if the active server dies then the passive ...
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1answer
540 views
HAProxy - Client Request Continuously Switching Servers
I have configured a Software Load balancer with HAProxy.
Here are the details :
Load Balancer 1 (Master) - 10.0.0.2
Load Balancer 2 (Slave) - 10.0.0.3
Virtual IP that load balancer shared is - 10.0....
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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.
$ ...
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1answer
691 views
Can i use 2 heartbeat cluster in the same network
I'm playing with HeartBeat. I'm trying to create 2 clusters with 2 nodes each in the same network.
ldap1 (192.168.3.1) <-> ldap2 (192.168.3.2)
www1 (192.168.3.3) <-> www2 (192.168.3.4)
With ...
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1answer
345 views
Can I use ASA5505 to spoof the reply to a heartbeat request?
I have a CISCO ASA 5505 in a home office. It has two subnet, public and private. There is a wifi belkin router on the private net, which provides wifi for some users. That belkin router sends out ...
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1answer
1k views
How would you set up multiple SSL terminating Haproxy instances, which are themselves load balanced?
I've been doing a great deal of research and experimentation on this, and I'm really running into a wall:
I'm trying to set up HAProxy as the reverse proxy for a high-availability environment. All ...
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1answer
769 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 ...
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1answer
3k views
pgpool run and only log one line
I am using pgpool and when I run:
sudo pgpool -f pgpool.conf -F pcp.conf -n
It just log one line and keep waitting.... :
2014-10-09 13:27:42 LOG: pid 28626: wd_chk_setuid: ifup[/sbin/ifconfig] ...
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Centos 6.5 configuring HA cluster
I need to configure HA cluster using 2 computers. But I've got a problem, when I'm trying to start a heartbeat service it starts but throws an error. Here's the error message:
Starting High-...
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1answer
410 views
High Availability/Failover hardware hookup
I'm learning about clustering and high availability techniques, and stumbled upon an article about configuring a network with a pair of servers, using DRBD for replication and heartbeat for monitoring ...
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1answer
688 views
HA - Heartbeat / Pacemaker - CentOS - Manual Symlinks
I have a MySQL Master <> Master pair setup for HA. I would like to setup automatic failover not just if the node hosting the current write mysql instance goes down, but also if the mysql instance ...
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2answers
1k 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
...
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1answer
5k views
Continuously check LDAP connectivity to Domain Controllers ( LDAP Heartbeat Check)
working on developing script which runs via schedule task ; whole purpose of it is to target few domain controllers and continuously(for every 2 sec) do a ldap query targeting that particular DC and ...
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1answer
337 views
Monitoring heartbeat centos
I am using HAproxy on two servers and for high availability using heartbeat and everything is okay, but I want to monitoring heartbeat I have a long search and get clustat command but can't find it on ...
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1answer
726 views
heartbeat doesn't work on virtual interface
I try to use vertual interface as broadcast for heartbeat(bcast in ha.cf).
When I try it I see this message in syslog:
May 23 12:17:26 Ubuntu2 heartbeat: [1107]: ERROR: glib: Error setting socket ...
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2answers
4k views
Openssl not getting updated to 1.0.1g in CentOS 6.2
After the heartbleed bug i have updated my openssl to 1.0.1g. But to my shock when today i see my server-status it shows me openssl version 1.0.1e that was vulnerable to Heartbleed.
I have upgraded my ...
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1answer
12k 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 ...
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1answer
507 views
Which technique should be chosen for IP failover with manual control
I have the following setup, Linux stack, with front-end running nginx proxy and static assets and back-end running Ruby on Rails and MySQL in master-master replication:
Primary site: front-end.a, ...
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0answers
2k 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 ...
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2answers
2k 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 ...
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0answers
124 views
Ipfail ignores Heartbeats command to stop
I currently have two RHEL 6.4 servers running Heartbeat 2.1.3-3, DRDB, and Monit.
Heartbeat refuses to shut down gracefully. The "ipfail" process will not listen to heartbeat's command to stop. ...
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2answers
672 views
What is the best way to setup a heartbeat agent for failover between two VMs? [closed]
I have two VMs in VirtualBox that use NAT for their network adapters. They are both getting the same IP address, so I will need to reconfigure that; but knowing that, is it possible to set up a ...
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1answer
2k views
OpenVPN and heartbeat
I have several servers connected to OpenVPN and I want to make a simple IP failover with a heartbeat, but I can't figure out how to assign a virtual OpenVPN IP.
Here is my config ha.cf on server1:
...
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1answer
819 views
Heartbeat meatware STONITH on kernel panic
I have a two node cluster with heartbeat and DRBD managing a mysql resource. The failover works great if I halt the primary, reboot it, or disconnect the network connection.
However, if the primary ...
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1answer
241 views
Heartbeat is not running on centos?
i'm install on centos
CRITICAL: Resource IPaddr::192.168.137.20/24/eth0 is active, and should not be!
fix: remove alias /etc/network/interface but i'm not find link /etc/network/interface on centos ...
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1answer
225 views
Heartbeat with two machines each different network
I am able to configure the heartbeat for two machines at same network. Properly set&configure ha.conf and haresources.
I would like to know how I can establish same configuration for two machines ...
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1answer
1k 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 ...
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1answer
207 views
Make heartbeat check MySQL replication lag before resource takeover
I am using heartbeat with MySQL master-master configuration, and using mon to check up on MySQL health. All works well for detecting downed host or broken MySQL. But the problems start after takeover, ...
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1answer
429 views
SSL Session Persistence - HA Heartbeat
I have two servers, let's call them Milo and Otis. Now Milo and Otis are setup to be an active-passive pair of highly available servers where Milo is usually the master and Otis stands-by waiting for ...
