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Thread: Zimbra Load Balancing

  1. #1
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    Smile Zimbra Load Balancing

    Hi Folks,

    Please any one can address this query

    How zimbra supports load balencing ? for example if I have the 10 MTA servers in Production

    Pls provide the solution

  2. #2
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    Default

    What exactly do you want to balance?
    What is the purpose to have 10 MTA in production?

    You have huge outgoing traffic, or incoming? Or huge-sized messages? so on
    Last edited by sn00p; 08-17-2009 at 02:53 AM.
    With best regards,

  3. #3
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    Default

    Yes, Exactly I want handle huge outgoing and incoming mail traffic
    Pls provide the information that how I can handle?

  4. #4
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    Default

    Simple multi-server installation described in Zimbra-wiki and DNS manipulations. Load balancing is made by making appropriate records in DNS. For example

    sn00p@home:/home$ nslookup -q=MX gmail.com
    Server: 91.151.241.6
    Address: 91.151.241.6#53

    Non-authoritative answer:
    gmail.com mail exchanger = 5 gmail-smtp-in.l.google.com.
    gmail.com mail exchanger = 10 alt1.gmail-smtp-in.l.google.com.
    gmail.com mail exchanger = 20 alt2.gmail-smtp-in.l.google.com.
    gmail.com mail exchanger = 30 alt3.gmail-smtp-in.l.google.com.
    gmail.com mail exchanger = 40 alt4.gmail-smtp-in.l.google.com.

    gmail-smtp-in.l.google.com internet address = 209.85.219.72
    alt1.gmail-smtp-in.l.google.com internet address = 209.85.220.36
    alt2.gmail-smtp-in.l.google.com internet address = 209.85.216.102
    alt3.gmail-smtp-in.l.google.com internet address = 209.85.147.27
    alt4.gmail-smtp-in.l.google.com internet address = 209.85.201.114

    We have 2 MTA for ~25000 accounts with average traffic 15000 letters (1,5mb each) for a day.
    Last edited by sn00p; 08-17-2009 at 03:33 AM.
    With best regards,

  5. #5
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    Default

    That will provide round-robin but not true load balancing. If you require that then you would probably need to purchase a product that can ascertain load and availability on the target server(s).

  6. #6
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    Default should be enough

    round robin should be enough as it is a load balancing technique

    but in the zimbra side, do we need to configure something ?

    these 5 ou 10 servers has to be aware of each other, do they ?

  7. #7
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    Quote Originally Posted by zydoon View Post
    round robin should be enough as it is a load balancing technique
    but in the zimbra side, do we need to configure something ?
    these 5 ou 10 servers has to be aware of each other, do they ?
    As long as they're part of the same infrastructure, they do know about themselves...

    You just need to install several LDAP replica and then setup the MTA to use the replica (and no hit the main LDAP).

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