High availability virtual ip

High availability virtual ip

Marc Volovic marcvolovic at me.com
Tue Jun 16 21:01:47 IDT 2009


Hi

First, the problem is not an IP, but the mac-ip mapping and ARP  
caching strategies.

Second, don't use ping.

Third, do use project 'heartbeat' and 'fake'. They provide what you  
need.

M

---MAV
Marc. Volovic
+972-54-467-6764
marc at swiftouch.com
Sent from my iPhone

On Jun 16, 2009, at 6:58 PM, "Biran, Yahav (Yahav)" <yahav.biran at gmail.com 
 > wrote:

> i have two linux machines, that are running on the same LAN.
> i would like to find a way to set HA IP.
> i was thinking on creating virtual ip that will ride on the exiting  
> eth. lets say 10.0.0.1 and 10.0.0.2 and the VIP will be 172.16.4.1
> both will run an infinite loop of:while (ping 172.16.4.1) do ...
> once that the while is exiting in one of the hosts it will try to  
> acquire the VIP.
> there is additional lock mechanism to implement so the two servers  
> will not try to acquire the same VIP concurrently.
>
> i would like to know if there is any out of the box sofware that can  
> do this task?
> yahav
>
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