 | | | Looking for HA Failover software | Looking for HA Failover software 2005-08-18 - By John Haxby
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Hanny Tidore wrote:
>Linux HA looks good. However can it provide virtual ip (without using
>a hardware load balancer) ? What I mean is if I have 2 server with ip
>address of 10.10.10.1 and 10.10.10.2, I would like to be able to
>create a virtual ip of 10.10.10.3 as the ip address which will be
>assigned to my clustered application.
>
>
You don't need anything special for that -- plain ordinary Linux has had
virtual IP addresses for as long as I've been using it. eg
/sbin/ifconfig eth0:0 10.10.10.3 netmask 255.255.255.0 broadcast 10.10.10.3
will bring up a second "virtual" IP address on whatever you run it on.
You can also use vlan addresses, though I've never used those.
I'm not sure what the difference is except that some routers know
something special about vlan addresses.
jch
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