[Devil-linux-develop] Keepalived

[Rudner, B. <br...@ba...>]

Hi DL-Developers,

I have recently switched from heartbeat to keepalived for my LVS-director software on the latest DL.

>From the homepage:
What is Keepalived ?
The main goal of the keepalived project is to add a strong & robust keepalive facility to the Linux Virtual Server project. This project is written in C with multilayer TCP/IP stack checks. Keepalived implements a framework based on three family checks : Layer3, Layer4 & Layer5/7. This framework gives the daemon the ability of checking a LVS server pool states. When one of the server of the LVS server pool is down, keepalived informs the linux kernel via a setsockopt call to remove this server entrie from the LVS topology. In addition keepalived implements an independent VRRPv2 stack to handle director failover. So in short keepalived is a userspace daemon for LVS cluster nodes healthchecks and LVS directors failover.

IMHO: keepalived is the easier choice if one would only have some virtual ip addresses with some realservers watched and there is no need to set up some BIG cluster with harddisk failovers ore stonith-devices.

Keepalived works great with conntrackd; conntrackd already provides a bunch of sample-scripts in its /etc-directory to get things working.

If you are interested in including keepalived in the DL distribution I could check in the needed scripts.

But one of you with FTP-Access would need to put http://www.keepalived.org/software/keepalived-1.1.19.tar.gz into the src.



Mit freundlichen Grüßen/Kind regards,

Björn Rudner
Systems Engineer

phone: +49 (89) 930 839-16<tel:+49-89-930839-16>
pers. fax.: 01805-456 987-200 16<fax:+49-1805-456987-20016>
mobile: +49 (151) 121 623 71
e-mail: br...@ba...<mailto:br...@ba...>


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