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Thread: 22,500!

  1. #1
    anthonyclark is offline Member
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    Default 22,500!

    Just rolled out our 22,500 account Zimbra system.

    Woohoo!

    (more details if/when I wake up!)

    We went live for a College in the US late Sunday night, after approx. 48 hours of downtime from their old system (mostly to apply last minute changes and unforeseen side effects of other requests).

    The whole system is behind 2 F5 big-ip load balancers, which balance between 2 servers running Zimbra proxy. Mail comes in to two Ironport devices and is then passed out to 4 mailhosts. We also have 2 Zimbra LDAP servers for redundancy and a Sympa listserv.

    Storage is a SAN fabric for all mailhosts and the backup host, storing over 1.5TB of email. We're using a combination of SAS and SATA disks.

    All servers are Dell poweredge 1950s with either single or double quad core Xeons, and either 8 or 16GB of ram depending on use. All are running 64bit CentOS 5.2.

    Right now we're running about 3000 concurrent users with the majority using webmail.

    It's running quite nicely
    Last edited by anthonyclark; 09-29-2008 at 10:24 AM.

  2. #2
    Klug's Avatar
    Klug is offline Moderator
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    Default

    Congratulations!

  3. #3
    Satoru is offline Active Member
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    Default Can I ask a question?

    Could you tell me why did you choose CentOS instead of other supported OS?
    What is a benefit and risk?
    Satoru

  4. #4
    Klug's Avatar
    Klug is offline Moderator
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    Default

    Benefit : same binaries than RHEL and price.

    Risks : you're not supported.

  5. #5
    nate.olmstead is offline Member
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    Default

    Ain't nothin'! Our is 22,575. Oh... wait...


  6. #6
    anthonyclark is offline Member
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    Shoots Nate around the cubicle wall with a nerf gun

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