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dns clustering

Discussion in 'Bind/DNS/Nameserver' started by eigh, Jan 20, 2006.

  1. eigh

    eigh Member

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    What is the interval at which DNS zones are synchronized with dns zones of clustered servers?

    I have 2 cpanel servers. cpanel01 is set to send its updates to cpanel02

    cpanel02 is not set to send its updates to anyone else.

    When I create a zone on cpanel01, it does not automatically create on cpanel02. How long must I wait until that zone file is created on cpanel02? Is there a way that I can set that interval?

    Note: I'm not talking about IXFR... this is not the standard master-slave relationship that you have in normal BIND servers....
     
  2. eigh

    eigh Member

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    followup information:

    when I go into the cpanel administrative interface, and force it to synch the zones, it does so immediatly... but I need to know how frequently it synchs them automatically so that our clients know how long they must wait before their dns changes are replicated through our entire dns infrastructure. Do I need to rig this up manually with a cron job?

    Thanks,

    -- Jason
     
  3. PWSowner

    PWSowner Well-Known Member

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    The /var/named/domain.com.db file sets various refresh times.
     
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  4. eigh

    eigh Member

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    PWSowner,

    I believe that you are referring to the TTL of the individual zone file. That information is used for replicating zone files when using the master-slave relationship, but the way that I understand it, that stuff isn't relavant to this custom DNS clustering.

    Am I incorrect?

    -- Jason
     
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