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Questions tagged [keepalived]

keepalived is a daemon process used in network administration. Questions about this are almost certainly off-topic here.

keepalived is a daemon process used in network administration. Questions about this are almost certainly off-topic here.

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UI application is not opening with VIP URL but UI application is working as expected with Apache HTTPD URL

Earlier we had 1 vm where apache httpd (Loadbalancer) is running to loadbalannce our UI application which is deployed on weblogic managed servers in cluster with multiple instances. We can able to access UI with server A loadbalancer ip and in the…
Mangesh Sarangi
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Keepalived: Transitioning to backup node not happening when check script on master server finds service is down for an applicaiton

I am trying to configure keepalived in such a way that if any application or service running on master node fails, keepalived should consider it as fault and backup node should act as master and take over the floating IP from master node. I have…
Muhammad Munir
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Keepalived - (VI_1) entering FAULT state (no IPv4 address for interface) - even though Interface has IP

I keep getting the error message (VI_1) entering FAULT state (no IPv4 address for interface) even though I configured an IP address for the Interface. What did I configure wrong? This is my Interface Config: 3: eno4:…
Lorenz Power
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Keepalived notify not running the script

I am using keepalived from default yum v1.3.5 (03/19,2017), git commit v1.3.5-6-g6fa32f2 on centos 7 (2009) The vip is working properly but when I add notify script, it was opening the file but not running it (I guess). This is my config file of my…
d_frEak
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Docker Keepalived: check if a HAProxy (in another container) is healthy

I have two Docker containers: 1 for Keepalived 1 for Haproxy The problem is that my track_script killall -0 haproxy (to check if haproxy is still alive) can't reach the process of haproxy (because it is in another container..) What should I do…
Theo Cerutti
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MaxScale cluster (master-master) setup

When deploying multiple MaxScale in a Master-Slave typology (failover from master to slave with Keepalived or similar) in front of a Galera Cluster in read-write-split mode , everything goes fine. But what about a Master-Master like typology in a…
CrazyRabbit
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How to make keepalived respond on failover on HAProxy?

I am using HAProxy as load balancer for my application and to make it highly available I am using keepalive service and floating ip address concept. But whenever my primary load balancer server gets down, by removing it from network or turning it…
Prajesh Jain
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Use multiple dockers with same name

I am working on building a high availability setup using keepalived, where each server will have its own set of dockers that will get handled appropriately depending on if it is in BACKUP or MASTER. However, for testing purposes, I don't have 2…
caffein
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How to Configure Keepalived that When Master is Available After Falling, It Will not Route to Master

How can I configure Keepalived that when Master is available after falling, it will continue to route to backup until backup goes down. My currently configuration always routes to Master if it is available. When Master is gone, it routes to Backup…
user15012700
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need help on the keepalived with Ldap High availability misc check script

I need help on the keepalived with Ldap High availability misc check script. We had an LDAP problem suddenly users were not able to login to the system over the applications and su – ldapuser, it was happened for twice. During that time in primary…
Subhash Kumar Dubhai
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how do i add firewall rules to allow nodeports accessed over virtual ip in kubernetes

I have a kubernetes cluster where control planes are working in HA through keepalived's VIP configured among them(installed only on control nodes). Everything works as expected when firewall is disabled. all internal communications and nodePorts…
user2039152
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Haproxy (v2.0.3) with Keepalived (v2.0.7) on CentOS 7.5 returns err empty response for selected apps

We are running haproxy on two non-production servers balanced by keepalived to manage failover. We recently upgraded from haproxy 1.5 to 2.0.3. In our non-production environment, we never had a HA solution, so we decided to run keepalived to detect…
Mattimus
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Split brain with keepalived

I have keepalived attempting to hold a vip in master/slave configuration on 2 servers. Master config: vrrp_script chk_haproxy { script "/usr/bin/killall -0 haproxy" interval 2 weight 2 } vrrp_instance NAME { interface ens224 …
ScipioAfricanus
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queens over cloud instillation fails because keepalived container restarting always

We are deploying Openstack queens (3 controller and 4 compute HCI ) ,but its failing with Can't connect to MySQL server on '172.16.12.9' ([Errno 113] No route to host) . 172.16.12.9 is my api server IP and this is manged by keepalived/haproxy . But…
SARATH CHANDRAN
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How to increase the max request header in the Loadbalancer(Keepalived) & kubernetes APP Docker Container

I have a K8s Cluster build on v1.8 with HA mode having keepalived & nginx as a LB.I want to increase the max request header to 64MB at the LB Proxy level. Can any one suggest on how to increase the max request header at the proxy level & Docker…
manoj kumar
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