I'm learning to use keepalived; for now within a single machine - just to make sure the forwarding works.
I've started a mock webserver listening on 192.168.56.200:8080.
I have a keepalived setup with three servers behind an ip. One is setup as a sorry server and only serves the maintenance pages, the other two are actual app servers.
I am a student in IT and I have been asked to build a web server cluster for multiple websites. After 2 weeks of searching, reading and testing, I came here to ask for help.
What we want is a cluster of web servers working together in load balancing and fail over.
I'm running keepalived under Debian (Lenny, Squeeze) in a fairly
simple setup, I'm just (ab)using it as a VRRP daemon to decide the
mastership
between two equal machines for some virtual IPs.
All the magic happens in the notify-script.
When I completely stop the daemon (using debian's init-script)
keepalived does
not run the notify-script for backup or at least fault mode, which is
what I would s
I run on Ubuntu and i want to use TCP keepalived in order to implement hearbeat between master-slave.both servers are my impl (c++).
I read this overview and did some google.
i didnt understand what TCP keepalived send and i do know if connection is no longer valid when use in TCP keepalive ?. Do i need to check the revived content?
I rad some article.
Keepalived over GRE tunnel for failover on VPS environment
http://blog.killtheradio.net/how-tos/keepalived-haproxy-and-failover-on-...
but, I don't know how to configuration?
We have been using keepalived in combination with a virtual IP address for two years now. In the rare case that a machine crashes this works very well.
But when there are issues on the box itself we have seen a couple of cases where no failover took place. For example when we had a issue where the system was swapping all the time.
Hi,
I'm working on running 2 redis nodes as failover cluster.
Keepalived migrating VirtualIP successfully, but still not clear how to run command on slave to be a master during failover.
Here is a config:
Code:
!
Hi All,
I have few doubts on VRRP.
Which kernel version is supports VRRP- VMAC?
How to enable VRRP-VMAC on interface(expecting VRRP behavior in kernel itself)?
I have tried with netlink socket ( as per Keepalived daemon tool), but I am getting error "file already exists".
I am suspecting, when I check with Keepalived daemon code and kernel 2.6.30......