an open source daemon that implements the VRRP standard.

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2answers
58 views

Keepalived heartbeats not being sent/received on EC2 VPC

I'm trying to setup keepalived + HAProxy as a redundant load balancer on an EC2 VPC (yes, I know that ELB is an option). I believe we have things configured correctly, but killing the master server ...
0
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2answers
564 views

Unable to start keepalived

I am trying to create load balancer using Virtual IP. I referred this link Load Balancer using Virtual IP. After configuring by mistake I started the backup server's keepalived service first and then ...
5
votes
1answer
89 views

keepalived master cannot reclaim virtual IP after recovered

Steps Start both master and slave Keep pinging virtual ip (i.e 192.168.10.100) Shutdown master Slave enters MASTER state Restart master Slave enters BACKUP state and Master enters MASTER state ...
2
votes
1answer
2k views

Centos 7 - Keepalived Linux Virtual Server is not working

Environment: Centos 7 Keepalived Machine I enp0s3 --> 192.168.1.38 (connects to the outside world) en0s8 --> 192.168.100.101 (connects to internal network) Machine II enp0s3 --> 192.168.100....
1
vote
1answer
73 views

Linux Virtual Server: NAT return path

I'm trying to set up a LVS load balancer in front of my Kubernetes: Calico is used as container network, so every pod has its own network interface in it's host. External IPs, routes and routing rules ...
1
vote
1answer
135 views

How to share local IP within a cluster if server is bound to one IP?

I have a cluster with 3 nodes running in VMs on test setup. Now I want to take it to production and rented 3 dedicated root servers at Hetzner Online connected by a switch. As I found out, they do ...
1
vote
1answer
782 views

HAProxy track_script + nopreempt not working

I have 2 nodes with Keepalived v1.2.13, in Amazon AWS VPC. I'm trying to achieve this scenario, assuming Node1 is MASTER: If I stop HAProxy or stop keepalived or stop the node, failover to Node2. If ...
1
vote
1answer
396 views

Keepalived: NAT VIP for internal network unused?

I'm building a proof-of-concept loadbalancer with CentOS 7 and keepalived. I took Red Hat's load balancer administration guide as a reference and implemented a NAT'ed loadbalancer with 2 nodes which ...
1
vote
1answer
218 views

query keepalived

*Note: I have trouble deciding what should go in serverfault and what should go in superuser, if some kindly admin decides this is in the wrong place please move it for me - many thanks. I am ...
0
votes
1answer
32 views

“nfsd peername failed” but NFSv4 service functions

My current setup: 2 NFS servers sharing the same directory with identical content, 1 keepalived server as SLB (or rather for failover in this scenario), and 1 NFSv4 client mounting through VIP. All ...
0
votes
1answer
37 views

Keepalived in the AWS autoscalling group

I want to deploy Keepalived in the AWS autoscalling group. The issue that Keepalived need to know ip address of the each node in the cluster, that is difficult in the elastic environment, where we can'...
0
votes
1answer
494 views

Postgresql keepalived gluster | FAULT state

I am trying to achieve a simple failover using Keeplalived, postgres and gluster. Using CentOs 7 I have mounted a replicated gluster volume on both nodes at '/var/lib/pgsql'. Shared ip(Keepalived):...
0
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1answer
817 views

Keepalived + LVS not working from other hosts but working from localhost on LB

I've got a keepalived + LVS set up I'm trying to get to work Clients, LB and real servers are all on the same subnet. Keepalived config: global_defs { notification_email { admin@example....
0
votes
1answer
291 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, ...
4
votes
0answers
704 views

keepalived config is not working correctly with virtualbox vms

my keepalived configuration is not working correctly. I have two virtual testing machines (virtualbox) to try some things out with keepalived/vrrp. Bot can ping each other flawlessly (internal ...
2
votes
0answers
189 views

AWS keepalived backup immediately goes to MASTER

Referencing these two guides: http://awsadvent.tumblr.com/post/105141640154/aws-advent-2014-high-availability-in-aws-with https://blog.logentries.com/2014/12/keepalived-and-haproxy-in-aws-an-...
2
votes
0answers
821 views

Keepalived not re-adding real servers

I'm trying to setup a simple virtual server in Keepalived and when the servers get removed from the pool, they do not get re-added automatically. In the Keepalived server syslog I see: Oct 01 11:37:...
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0answers
67 views

Keepalived notify script isn't executed

I just set up the notification script in /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf global_defs { notification_email { admin@example.com } notification_email_from ...
1
vote
0answers
92 views

Keepalived cant find one of my interfaces

I have just installed a new server (Ubuntu 14.04) to start testing our keepalived configurations, which work fine on (Ubuntu 12.04) We do not assign the public IP on the eth1 interface, we allow ...
1
vote
0answers
479 views

How to configure Failover IPs for High Availability with Hetzner Online

I have a cluster of 3 Ubuntu nodes running in VMs in the lab and want to take it now to production. Hetzner Online hetzner.de offers some good value dedicated servers, so I rented 3 machines, ...
1
vote
0answers
108 views

Keepliaved not loading IPv6 lvs rules on boot

When starting Keepalived manually, it correctly populates LVS tables as seen by: ipvsadm However, when I boot the machine - only IPv4 rules are added. If I restart the keepliaved server manually ...
1
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0answers
330 views

Keepalived configurations

I installed keepalived on two firewalls to provide fail over. I'm not sure if the following configurations are correct (see configurations below). Sometimes I have problems to reach the websites ...
1
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0answers
1k views

keepalived - random re-elections

We have set up 3 servers running keepalived . We started noticing some random re-elections occurring which we can't explain so I cam here looking for advice. Here is our configuration: MASTER: ...
1
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0answers
296 views

Keepalived, Junos, and ARP caching

I'm trying to configure an active-passive stunnel setup, with the aid of Keepalived, for a public IP address at our company datacenter. I would like to know if a router or switch reconfiguration is ...
1
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0answers
166 views

keepalived - service not available on the 'passive' host

I've got ip failover configured on two hosts for a mysql (percona) cluster with keepalived; the failover works as expected, but I cannot access the service from the host that is passive or in 'backup'...
0
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0answers
5 views

In LVS with keepalived, should different virtual servers have different virtual routers?

I have LVS with Keepalived in a master/backup configuration, used as a load balancer for several virtual IPs. Currently the Keepalived configuration has a separate vrrp_instance for each VIP. Each ...
0
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0answers
15 views

Keepalived : how to force election ?

I have two Mysql servers, with two VIP. By default, one VIP must be on the first server, and the other on the second (one for writing, the other for reading). My problem is the first server to start ...
0
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0answers
110 views

How to use Docker with HAProxy+Keepalived?

I want to practise in creation of high-available web-application using multiple Docker containers on one machine. I launch several web-servers within Docker containers. Say, three servers rest1, ...
0
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0answers
18 views

HAproxy, Keepalived with Cisco Policy Based Routing

I'm currently using using haproxy on 2 servers to load balance a number of web content and proxy servers for users, the 2 haproxy servers use keepalived to provide high availability for the 2 haproxy ...
0
votes
0answers
11 views

Software load balancer times out connection to upstream servers, refuses to failover?

We have two software load balancers (using keepalived 1.2.13 and a virtual ip to failover between the two), proxying traffic via nginx 1.8.1 to three upstream app servers (each hosting a nodejs web ...
0
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0answers
81 views

keepalived + nginx failover not working

I have 2 servers under Centos 7.1. Both are configured with keepalived (one MASTER / one SLAVE) and Nginx as proxy reverse and load balancing. Everything works great except the Nginx shutdown ...
0
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0answers
20 views

keepalived not failing over when script fails

keepalived is running the ck and failing when haproxy service is down, but it is not failing over to the other server. It remains the master. Does anyone have any idea why the failover would not occur?...
0
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0answers
23 views

keepalived should vote more relaxed, is raising garp_master_delay and/or advert_int the solution?

Im using keepalived on two machines. The one being the master establishes an ipsec tunnel. Sometimes (once a month or less) the vrrp packet was missed, and the backup takes over, establishes the ipsec ...
0
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0answers
52 views

Unable to connect to MASTER: Resource temporarily unavailable : Connecting to MASTER no:0

I'm currently working on simle active stand/by Redis clustering for query caching with Keepalived. The problem I'm facing is when I shutdown&start(restart) the host1 server for testing, it ...
0
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0answers
182 views

HAProxy not forwarding requests to backend server

I have HAProxy (v1.5.8) as a load balancer with keepalived (v1.2.2) to maintain high availability. I also have several Jetty servers on a different machine on the local network as backend server with ...
0
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0answers
217 views

track script doesn't work after keepalived update

I recently updated my keepalived cluster from version 1.2.10 to 1.2.13. I noticed that my tracking script, which basicly just pings another system,doesn't work anymore. I use a simple bash script and ...
0
votes
0answers
184 views

Tomcat 8.0.43 not using Keep Alive

I'm trying to setup a few app servers behind Amazon's ELB and I've been getting some 504 errors that I've been tracking down. Looking at the Tomcat manager app under status, I'm seeing the following: ...
0
votes
0answers
212 views

AWS + KeepAliveD: Not able to Ping or Telnet Virtual IP from remote hosts

I am setting up KeepaliveD with 2 nodes on AWS by following this article. My Virtual IP gets moved from one node to another in case of fail-over. However, the VIP just cannot be accessed from a remote ...
0
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0answers
88 views

Multi Path VRRP with keepalived

I'm migrating from an old heartbeat setup to using keepalived at the moment and currently I can't find how to replicate the heartbeat capability of using multiple links as cluster interconnects in ...
0
votes
0answers
56 views

Can I use KeepAliveD with multiple unrelated processes?

Can I use keepalived to manage the same VIP to two different processes (on different ports)? For example, we already use Keepalived on a pair of Kamailio SIP servers. These SIP servers use port 5060. ...
0
votes
0answers
169 views

Keepalived multi route and ssh

We have configured keealived to have a floating 1.2.3.4 ip in another network range of the permanent ip 5.6.7.8 of the server. Floating Ip is working very well. Problem comes when Keepalived host (A) ...
0
votes
0answers
487 views

Keepalived router on virtual ip is not reachable

I've setup keepalived to manage a virtual ip between two hosts. My setup is the following Server #1: Hostname folmer, ip 192.168.0.1/22 dev p2p1 Server #2: Hostname flemming, ip 192.168.0.2/22 dev ...
0
votes
0answers
2k views

Keepalived: multicast vs unicast

I'm planning to deploy a several keepalived routers to maintain floating IPs for different database clusters. The plan is to deploy a separate VRRP instance on each cluster locally according to this ...