LVS Keepalived connection between master and backup [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 8 years ago. Improve this question I configured two lvs keepalived servers. The first is master server, ip 10.1.88.76, iptables closed. The second is backup server, … Read more

What FLOSS linux software should I use for high-availability on an FTP server on vmware? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question I don’t mean this as an opinion-based question. I want to know if my assumption is correct to use a network-oriented tool (keepalived) … Read more

How does loadbalancers like haproxy and keepalived implement failover/high-availability for themselves, in case the machine they are running dies? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 4 years ago. Improve this question I’m trying to understand how my load balance software does not become a single-point-of-failure. Do load-balancing software usually support failover/ha for themselves? Answer … Read more

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, back-end.a Secondary site: front-end.b, back-end.b A router sitting on a shared network that can route to both primary and secondary sites The primary site serves requests … Read more

KeepAliveD + HaProxy – Only the master should run an active HaProxy service

it is possible to configure keepalived so that only the master server are running an active service from haproxy? Currently LB1 and LB2 (both with keepalived and haproxy) works great. But sometimes some requests is taken from LB2 (which is backup and the logs show it also) which results in an connection error in the … Read more

Keepalived failover not working – how to configure master / failover

I have following two server setup running: node1: keepadlived master -> HAProxy -> Apache node2: keepadlived failover -> HAProxy -> Apache The system works perfectly until I shut down keepalived master. Then the site is entirly down. This is where failover with the other keepalived should come in place, but this never happens. If I … Read more

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 should keep the exact same virtual ip, and start replication with host2. But syslog outputs “Unable to connect to MASTER: Resource temporarily unavailable : Connecting to MASTER … Read more