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cPanel 11.24 and DSN Clustering

Discussion in 'Bind / DNS / Nameserver Issues' started by Computerbob, Oct 30, 2008.

  1. Computerbob

    Computerbob Active Member

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    Just read the email from Eric on the new 11.24 and all it features.

    I clicked the link to get more information,

    http://www.cpanel.net/products/cpwhm/cpanel11/new-features.htm

    cPanel and WHM 11.24 add the lightweight NSD name resolution daemon. Focusing on performance rather than functionality, NSD is ideal for authoritative nameservers. It reduces memory usage by up to 40%, increases performance, and utilizes BIND-compatible configuration data. (NSD is not compatible with DNS clustering; for more information, visit http://www.nlnetlabs.nl/nsd).

    The above was directly from the cpanel web site. It said that NSD is not compatible with DNS clustering. Since I use cPanel's DNS clustering for our 4 mane servers, am I now going to be without Name Servers?

    I went to the ninelabs.nl site but it was all Greek to me.

    I'm worried now, should I be?

    Bob Levin
    http://simplehostingonline.com
     
  2. cPanelNick

    cPanelNick Administrator
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    You still have the option of BIND. You just have more choices with 11.24. NSD targets vps and machines that do not have large dns setups.

    Clustering technically will work with NSD, but its will not perform well in a clustered environment. Simply put, if you are using DNS Clustering you should stay with bind.
     
  3. Computerbob

    Computerbob Active Member

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    So when I click on upgrade in WHM what will happen? Will all my clustered DSN server stop getting updates? Will it be Bind, by default or the NDS by default?

    Is it just a check box somewhere and if so where.

    I have done updates before and then found out a week later something isn't working and need my attention. So what exactly has to be done right after the update?

    Is there a new update for the current cPanel DNS server we are using now?
     
  4. cPanelNick

    cPanelNick Administrator
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    Everything will remain the same unless you changing the settings in WHM.

    Either way the clustering system will be faster.
     
  5. Computerbob

    Computerbob Active Member

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    Thanks for the reply. three questions

    1:So where would the changes be made in WHM?

    2:Can you explain what you mean by it will be faster?

    3: And is there a update for the cPanel DNS software? Didn't seem to get a answer to that part of the question.
     
  6. Gene Steinberg

    Gene Steinberg Well-Known Member

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    I got the announcement about cPanel 11.24, but you're still feeding the older version in the CURRENT branch as of 4:00 PM Pacific. :(

    Also, to move to Dovecot for email, do I have to change a setting somewhere (where?) or is it automatic?

    Peace,
    Gene Steinberg
     
  7. cPanelNick

    cPanelNick Administrator
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    New Builds are published the night of the announcement (Central Time)

    We prefer to give a few hours notice instead of publishing them right away so anyone can turn off updates if they do not want to receive them.


    You will need to change it in the mail server configuration section. More information will be available once the release notes are published
     
  8. shore

    shore Registered

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    More NSD questions

    If someone has customized their BIND (made it semi-non-cpanel-standard...basically added includes and non-standard directories) what will happen if it's switched to NSD?

    This wasn't a lot of notice to learn something new after learning something else for 15 years LOL.

    Thanks!

    -Dena
     
  9. cPanelNick

    cPanelNick Administrator
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    I would recommend not switching to nsd if you are running an unsupported setup.
     
  10. Computerbob

    Computerbob Active Member

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    So what does happen if NDS is turned on?
     
    #10 Computerbob, Oct 30, 2008
    Last edited: Oct 30, 2008
  11. cPanelNick

    cPanelNick Administrator
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    If you CHOOSE to convert to NSD, your configuration will be copied and converted to the NSD format, BIND will be stopped, and NSD will be started. If you are unhappy with it for any reason you can just switch back to BIND. There is a simple web interface for switching back and forth in WHM and the entire process takes about a minute.
     
  12. Computerbob

    Computerbob Active Member

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    Now that was informational

    Does this mean cPanel is moving away from bind to NDS?
     
    #12 Computerbob, Oct 30, 2008
    Last edited: Oct 30, 2008
  13. Quantum|Steven

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    What time is this supposed to drop? I'm going to upgrade mine manually to be sure there's no bugs or issues first.
     
  14. Metro2

    Metro2 Well-Known Member

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    Thanks for starting this thread - I too use DNS Clustering and was concerned about how the introduction of NSD might affect me. Relieved to hear that everything will stay the same unless I actually make a change in the settings, rather than it switching to NSD automatically after upgrading cPanel.
     
  15. kernow

    kernow Well-Known Member

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  16. silversurfer

    silversurfer Well-Known Member

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    Any NSD users finding that after a new domain addition, stops responding, even though the process is running? A service restart will fix it.
     
  17. SoftDux

    SoftDux Well-Known Member

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    so if I'm running a DNS cluster between a few different machines & VPS's, is it safe to switch to NDS, or not yet?
     
  18. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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