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Thread: [SOLVED] Multi-Server Installation with the ZCS Community Edition

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    james-m is offline Member
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    Default [SOLVED] Multi-Server Installation with the ZCS Community Edition

    Does the ZCS Community Edition cater for multi-server installation? I tried to do a Master-Slave Zimbra LDAP setup on my network and was confronted by a somewhat bewildering installation behaviour. Basically it would not allow the Hostname and the LDAP Master Host fields to have different values. Does this behaviour pretty much answer my question?

    Thanks

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    james-m is offline Member
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    The scenario I described above I observed whilst installing the LDAP slave a second machine

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    james-m is offline Member
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    Basically I want to have 2 servers:

    - the first server with ALL the Zimbra services running
    - the second server with only the Zimbra LDAP running (the first server replicates its LDAP directory to the second server)

    And the idea behind this arrangement is to let the first server concentrate on handling mail, whilst the second lightens the load on the first by being a GAL lookup for clients such as Thunderbird and also authenticating users across the network for other network services and resources.

    Anyone ever attempted this with the ZCS Community Edition at all, using a Mster-Replica scheme?

    Thanks in advance

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    james-m is offline Member
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    Success! How not quite sure to quite honest.

    Forgetting to run - /opt/zimbra/libexec/zmldapenablereplica on the first machine, would that prevent making the second machine a replica?

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    mmorse is offline Moderator
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    Glad you figured it out on your own - yes you need to enable that on both servers and do so on the master first
    On the master LDAP server type:
    zmupdateauthkeys and press Enter. The key is updated on /opt/zimbra/.ssh/authorized_keys.
    zmldapenablereplica and press Enter. This enables replication on the Master.
    2.On the LDAP replica server type:
    zmupdateauthkeys and press Enter
    zmldapenablereplica and press Enter. This sets up the replication account in the directory and makes a copy of the master content to the replica LDAP server.
    Note: If zmupdateauthkeys does not fetch the keys correctly, run zmsshkeygen on both servers and rerun zmupdateauthkeys.
    /docs/os/latest/multi_server_install/LDAP%20Replication.6.1.html

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