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11
votes
3answers
199 views

How to make redundant load balancers?

I understand that the purpose of load balancers is to balance load between your servers and keep track of instance health, etc. But what if load balancer itself fails? How do you set up redundant load ...
0
votes
1answer
163 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 ...
0
votes
2answers
575 views

VIP not dropping from backup keepalived

I may not be understanding how this is supposed to work, but I can't figure out why the BACKUP system with this basic vrrp_instance is transitioning to master right away and never seems to honor the ...
0
votes
1answer
104 views

How to migrate production environment from EC2-Classic to VPC?

I need to migrate production environment from EC2-Classic to VPC. For now I have one Elastic LB with a few EC2 instances behind it. My plan is: create a new LB balancer and add VPC instance create 2 ...
-2
votes
1answer
1k views

Install Piranha on Centos 7

I have tried install Piranha on Centos 7, but yum install piranha ipvsadm -y Not found the package. Is necessary modify repos or other command?
0
votes
1answer
280 views

iptables configuration on Windows Azure (CentOS 6.5) for endpoint load-balanced set

I created 2 VMs (CentOS6.5) on Windows Azure for Postgresql database and HA cluster, everything works fine except when I set iptables service on, the endpoint load-balanced set is down. for security ...
1
vote
1answer
297 views

Nginx drops connections

I'm having a setup where I use the linode nodebalancer (loadbalancer) for my nginx/php5-fpm servers. This balancer passive checks. These passive checks, check the status code of requests. If there are ...
2
votes
2answers
150 views

Load balancer for multiple sites

I am in the process of setting up a network of web servers on Rackspace. I am looking to do 4 servers in groups of two. See diagram below. My question is, if I have server A and server B as a ...
0
votes
1answer
225 views

Connecting to Cassandra Cluster

I'm just getting started with Cassandra and had a few questions. I'm going to be deploying a 4 node cluster on AWS as per the DataStax documentation ...
3
votes
1answer
949 views

What is the best way to load balance multiple sock5 proxys on seperate VM's in the same datacenter?

I am currently trying to figure out the best way to load balance multiple sock 5 proxy servers for my new project. I was looking into programs like HA proxy, but it seems to only load balance HTTP ...
1
vote
2answers
2k views

Apache & Tomcat Load balancing via Mod_jk issue

I hope this finds you all in the best of your health and spirits. I have an issue with a new setup where I currently have 1 APACHE 2.2.15 & Tomcat 6.0.14 on RHEL. Mod_JK version 1.2.30. Ill add ...
0
votes
1answer
286 views

Nginx Upstream - Notification That Primary Servers Are Down

I am hoping someone can give me some help, as I am pretty new to Nginx. Thanks in advance. Premise: I have a load balancing server (nginx upstream) in a test environment, load balancing between two ...
0
votes
2answers
220 views

HAProxy live injection

I would ask you if HAProxy load balancer can be live injectioned (reconfigured without restarting the balancer) without losing connections.
0
votes
3answers
1k views

how to configure apache with mod_cache and mod_proxybalance for massive virtual hosting

I have a farm of IIS servers which provides something akin to domain parking sites, with thousands of domains assigned to the system, and content generated dynamically. I need a load balancing and ...
2
votes
3answers
666 views

load balancing two web servers each on two different isp's?

I have two ISP's that provide me hosting via apache / php / mysql. I am running drupal on them. On occasion the mysql server will go away (crash), so I was hoping to find a reasonable way to have ...