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Hello, all -
Once again I call upon the help of you fine people in helping me better
understand exactly what I'm looking at here. Before we get started, I'd
first like to thank you all who have helped me in the past. You're an
incredible help.
I've been reading an excellent article by Mr. Zhang on linux-mag.com,
http://www.linux-mag.com/2003-11/clusters_01.html. If you have not yet
read it, I highly suggest that you do. It is very informative.
While reading this article, UltraMonkey, Piranha, and Keepalived were
briefly mentioned. Although there was a little intro given about all
three, their purpose seemed a bit fuzzy to me.
It seems to me that all three of these services provide the same type of
service - they all determine which node is up/working/doing stuff, and
deals with this circumstance as it sees appropriate. What I don't quite
understand is the subtle differences between the three, or if I'm just
completely wrong here. All three describe themselves as dealing with
high availability and load balancing, but I can't really find a
comparrison between the three.
If anyone might be able to point me in the right direction, or just give
me some links as to where I can read about the differences between the
three, I would greatly appreciate it.
Thanks
- -dant
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