Hi Group
Lets imagine there are 4 computers and one managable switch with vlan and
qos.
the scenerio look like this



|---- firewall 1 + deamons (www dns webmail ) ---- firewall 3 database
internet - switch |         |pfsync           |rsync                 
|pfsync   |replication
|---- firewall 2 + deamons (www dns webmail ) ---- firewall 4 database


or maybe like this 

|---- firewall 1 + deamons (www dns webmail ) 
internet - switch |         |pfsync           |rsync                  
|---- firewall 2 + deamons (www dns webmail ) 
|
|---- firewall 3 database
|        |pfsync   |replication
|---- firewall 4 database

firewall 1 & 2 vlan 1
firewall 2 & 3 vlan 2

My question is scenerio 2 beter then 1 and is there a sens of doing
redundant firewall with pfsync carp rsync and duplicated servers or is it
beter to use this two computers to spred services for example firewall 1
for web and dns and second for emails.
There is no doubt db should be replicated but should i duplicate web serwer
if using raid mirroring what is beter ?
asuming i have only 4 computers and relativly slow upload link like 3-4
Mb/s. This is not the problem because the company is destined  for the
local market and serv no movies radio and music.

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