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Thread: Will capacity of Zimbra of centOS turn server down?

  1. #1
    Cosmode HK is offline Junior Member
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    Default Will capacity of Zimbra of centOS turn server down?

    Currently we are renting a virtual serving hosting services for our e-mail as follows:
    Storage: 10GB
    Hard disk: RAID 5
    Dedicated RAM: 512MB
    Network Traffic (per month): 500GB

    Inside the server, followings are installed:
    CentOS: 512MB RMB
    Zimbra: 3GB (1G for evaluation and testing, 2GB for production)
    E-mail accounts: Total 1400M

    Zimbra turns down or turns to off-line every two week and we cannot receive and send e-mails.
    Our IT friend explained the problem is occured due to insufficient capacity, upgrade to at least 20GB is the only solution to this problem.

    Would like to know if it is the solution? Any more advice?

    Thank you.

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    For 1400 users you have insufficient HD storage, you should not be using RAID5, you have too little RAM and you've given no specifications of the server itself. You should search the forums for some details on sizing a server for this number of users.

    I assume from the statement "Dedicated RAM: 512MB" that this is a VM of some sort? If that's the case then 512MB of dedicated RAM is way too low for that number of users.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Cosmode HK is offline Junior Member
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    Quote Originally Posted by phoenix View Post
    For 1400 users you have insufficient HD storage, you should not be using RAID5, you have too little RAM and you've given no specifications of the server itself. You should search the forums for some details on sizing a server for this number of users.

    I assume from the statement "Dedicated RAM: 512MB" that this is a VM of some sort? If that's the case then 512MB of dedicated RAM is way too low for that number of users.
    Thank you for your reply, Bill.
    I made mistake on the e-mail accounts.
    I have 3 e-mail accounts and totally occupy 1.4GB.
    Will it be too little space and cause zimbra to turn down?

  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    What about the rest of my question about the VM?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    Cosmode HK is offline Junior Member
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    Thank you Bill.
    Sorry that I am not System Engineer, may I know what is the meaning of VM?

    Thanks.

  6. #6
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by Cosmode HK View Post
    Sorry that I am not System Engineer, may I know what is the meaning of VM?
    It's a Virtual Machine environment. Is this server a real piece of hardware sitting in your office or is it hosted somewhere?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    Cosmode HK is offline Junior Member
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    It is virtually hosted in the service provide

    Does it mean that the problem is owing to the insuffcient capacity?

    han you.

  8. #8
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by Cosmode HK View Post
    It is virtually hosted in the service provide
    Then it's a VM (i.e. a Virtual Machine),

    Quote Originally Posted by Cosmode HK View Post
    Does it mean that the problem is owing to the insuffcient capacity?
    The usual configuration is to have a minimum amount of real RAM and a larger amount of 'burst' RAM - that's not a good configuration with your settings. Zimbra uses a lot of real RAM - you need at least 2GB of real RAM to run a stable ZCS server.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  9. #9
    Cosmode HK is offline Junior Member
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    Thank you for your reply.

  10. #10
    Cosmode HK is offline Junior Member
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    One more question, server downs frequently on Monday after weekends, any reaso behind besides insufficient memory?

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