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-   -   Load balancing and increase availability (http://www.howtoforge.com/forums/showthread.php?t=60880)

webmarker 9th March 2013 07:12

Load balancing and increase availability
 
Hi thanks to your great tutorials I successfully configured my first web server. I followed this tutorial here http://www.howtoforge.com/perfect-se...ot-ispconfig-3
Right now I just have a low-end vps and I would like to balance the load with another vps and increase the website availability too (like in case one vps goes down the other one takes all the traffic). I dont have an high budget, which easy and cheap way do you suggest me to do that?

Thanks for your help

webmarker 11th March 2013 05:10

Anyone who can help?

burlyhousetech 11th March 2013 20:31

re: Load balancing and increase availability
 
Have you considered this tutorial, which describes multi-server setup?

http://www.howtoforge.com/multiserve...th-ispconfig-3

webmarker 11th March 2013 23:27

Quote:

Originally Posted by burlyhousetech (Post 293702)
Have you considered this tutorial, which describes multi-server setup?

http://www.howtoforge.com/multiserve...th-ispconfig-3

Thanks for your answer but this kind of configuration doesnt balance the load of the web server, it just divides the servers by service. And it also doesnt provide a solution in case one server is down. I was thinking of something with a maximum of 3 servers that balance their load and copy each other and in case one is down the other 2 still work / balance their load. Is this kind of configuration possible?

artur_gib 15th March 2013 21:55

Hi,

I have similar question. I am looking for a tutorial for this scenario:

I would like to configure 2 servers (ISPConfig3 on Ubuntu 12.04, web and emails) in 2 different offices. One as a master, 2nd one as a slave. If master will go down, slave should switch automatically and accept all emails and web traffic. Is it possible? Any tips or suggestions are welcome :)

Regards

Artur

florian030 16th March 2013 09:26

Hi Artur,

if you wonīt use a load-balancer or a fail-over-ip, you can also use your dns-records.

If server A canīt reach server B, A replaces the DNS-Records with the IP of server A - and vice versa. But this could result in a single point of failure.

Anyway, you must keep the data on both serves always in sync. For the databases use a replication, for the filesystem something like drbd or unision.


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