<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>I guess it ‘s because the SERVICE you are checking on this host is up, then if the SERVICE is up, nagios assume the HOST is up.</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'> </span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>Remember, nagios check services first. If the service check fails, then nagios will check if the host is up.</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'> </span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>Thus, if all is fine, (all services are up), the host is so called: “assumed to be up”.</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'> </span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>P.S. On October the 17<sup>th</sup>, Dean Bishop posted a very clever flow chart showing the nagios process. Get it, it’s a must have. (btw, thanks a lot Dean).</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'> </span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>Best regards,</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>Pascal </span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'> </span></font></p> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br> <b><span style='font-weight:bold'>From:</span></b> nagios-users-admin@lists.sourceforge.net [mailto:nagios-users-admin@lists.sourceforge.net] <b><span style='font-weight: bold'>On Behalf Of </span></b>Jason Lim<br> <b><span style='font-weight:bold'>Sent:</span></b> mercredi, 23. octobre 2002 07:34<br> <b><span style='font-weight:bold'>To:</span></b> nagios-users@lists.sourceforge.net<br> <b><span style='font-weight:bold'>Subject:</span></b> [Nagios-users] 'Host assumed to be up' problem</span></font></p> <p class=MsoNormal style='margin-left:36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Hi,</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>I am running Nagios version 1.0b6 on apache2.</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>I would like to check why I have got many hosts that show </span></font><strong><b><font color=blue face=Arial><span style='font-family:Arial;color:blue'>(Host assumed to be up) </span></font></b></strong><strong><b><font size=2 color=red face=Arial><span style='font-size:10.0pt;font-family:Arial; color:red'>Status Information </span></font></b></strong><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>under the <strong><b><font color=red face=Arial><span style='font-family:Arial;color:red'>Host Detail</span></font></b></strong><font color=red><span style='color:red'>. But the status information on the Service Detail show ping OK, etc...</span></font></span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Any advise is appreciated.</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Thanks,</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Regards,</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Jason</span></font></p> </div> </div> </body> </html>