<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7233.69"> <TITLE>Distributed Monitoring - Redundancy</TITLE> </HEAD> <BODY>  <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">Hello Everyone,</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">I</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">’</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">m running Nagios is a distributed</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">environment which is working very well. I would like to add a little redundancy to the picture now that</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">I</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> have</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">everything</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> working. ;-)</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">Since I</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">’</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">m running a</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">distributed</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> environment, how can I add a secondary</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">Central-Server</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> to the picture? I</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">’</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">m not worried about the sensors or remote Nagios servers, just the central portion of the network.</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">The problems that</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">I</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> see are as follows:</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">The remote servers send data via NSCA to the central server. Would they also have to send a second connection to the secondary server?</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">NDO now send</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">s</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> data to my MySQL server, will the secondary server also need to send data? This opens a can of worms in terms of duplicate data, etc.</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">It seems that a secondary</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">cold spare</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> might be the best solution. Then there are maintenance issues with keeping software up to dat</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">a</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">, etc.</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">So many problems, so little</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">beer</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">.</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">Thanks in advance,</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT FACE="Arial">Mike</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P> </BODY> </HTML>