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  14    <H1>[IRCServices] Tcl &amp; IRC Bots for Backup</H1>
  15     <B>Sinan Ku&#351;do&#287;an</B>
  16     <A HREF="mailto:ircservices%40ircservices.za.net?Subject=%5BIRCServices%5D%20Tcl%20%26%20IRC%20Bots%20for%20Backup&In-Reply-To="
  17        TITLE="[IRCServices] Tcl &amp; IRC Bots for Backup">kusdogan at boun.edu.tr
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  19     <I>Mon Jan 22 18:52:18 PST 2001</I>
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  34 <PRE>Hi everyone,
  35
  36 Because of my interest in tcl and bots i thought of a TCL backup system that
  37 consists of  two services running on different machines with separate DB's
  38 and two IRCbots (or only TCL codes).
  39
  40 Let's call the first bot as MasterBot and the other as SlaveBot.
  41
  42 MasterBot runs only for 1 or 2 minutes after the main service starts and
  43 SlaveBot runs always.
  44
  45 Assume SlaveBot backups database to slave services' DBs on every 5 minutes
  46 when it finds OperServ1 (you can check this nickname or another specific
  47 signal for main services) running safely. When the check fails it uses its
  48 privileges and connects the secondary services with the server immediately
  49 and it may store the time of the server.
  50
  51 When main services come back it first runs MasterBot to check the case. If
  52 the time that the secondary service ran is long enough it quits the
  53 connection and loads secondary DB to the master one and connects the main
  54 services.
  55
  56 What is the advantage of this? You can run two separate services on
  57 different machines (should be on the same network, low connection speed may
  58 result with some data problems).  You lost at max the SlaveBot's check time
  59 period.  Cronjob and running two services on the same machine fails if that
  60 machine fails :)
  61 This is only another view. It may be improved. That's all from me at
  62 midnight :)))
  63
  64 Sinan &quot;abbas&quot; Kusdogan
  65
  66
  67
  68 </PRE>
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