Mia Lueng wrote:
> I saw in some ha solutions, a network tiebreaker is set to determinate which
> node should be fence or suicide in this suitation.

Yes, a 3rd vote.

> This is very useful in two-node cluster solution.

Only 2 things are useful in a 2-node apache cluster: 1) if both nodes 
are on the net, only one runs ipaddr/apache, and 2) if one of them is 
off the net, the one still on runs ipaddr/apache. The rest is featuritis 
and bloat.

(Obviously, drbd, 2+-node clusters, etc. are a whole different story.)

Dima
-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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