Looking for general info on how multiuser communicates

Discussion in 'General' started by webguyz, Nov 5, 2012.

  1. webguyz

    webguyz Member HowtoForge Supporter


    Is there a link somewhere that explains how the multiuser setup communicates between the various servers? Looking for a general overview. So far it appears that a master DB is created on the ISP Manager server called ispconfig and all other servers have a mysql db of the services they host on that server and I assume the local db talks to the ISP Manager DB. Just trying to understand before I jump in 100% and start looking around. Any threads or URL that will help explain how it communicates would be very helpfull.

  2. till

    till Super Moderator Staff Member ISPConfig Developer

    There are several threads in the forum about that but I dont have them at hand. In general the slave server connects to the master database once a minute to check for updated records that are relevant for him and copies the changes to its local database and then runs the script to update its local configuration. So a slave is not affected when the master is not available as he has a local copy of its data and the master keeps a backlog of all changes for 30 days, so if a slave is down for maintrnance for a few hours or days, it will pick up all changes from master autmatically as soon as he is online again.
  3. webguyz

    webguyz Member HowtoForge Supporter


    I need to lurk this for Forum for a bit longer to get it down pat. I came from a Helm v3 CP windows environment and it works similar to ISPconfig Multiuser and that intrigues me, expecailly since I saw the light and have moved away from Windows web hosting and doing Centos and cPanel currrently. I have a ispConfig single user setup now and it all works well so will try expanding a bit at a time and see what happens. Absorbing all of this will just take some time.

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