<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v = "urn:schemas-microsoft-com:vml" xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:w = "urn:schemas-microsoft-com:office:word" xmlns:x = "urn:schemas-microsoft-com:office:excel" xmlns:m = "http://schemas.microsoft.com/office/2004/12/omml"><HEAD><TITLE>Host down due to plugins timing out</TITLE> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.5945" name=GENERATOR> <STYLE>@font-face { font-family: Calibri; } @font-face { font-family: Tahoma; } @font-face { font-family: Consolas; } @page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.0in 1.0in 1.0in; } P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } A:link { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } A:visited { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } P { FONT-SIZE: 12pt; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in; FONT-FAMILY: "Times New Roman","serif"; mso-style-priority: 99; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto } PRE { FONT-SIZE: 10pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Courier New"; mso-style-priority: 99; mso-style-link: "HTML Preformatted Char" } SPAN.HTMLPreformattedChar { FONT-FAMILY: Consolas; mso-style-priority: 99; mso-style-link: "HTML Preformatted"; mso-style-name: "HTML Preformatted Char" } SPAN.EmailStyle20 { COLOR: #1f497d; FONT-FAMILY: "Calibri","sans-serif"; mso-style-type: personal-reply } .MsoChpDefault { FONT-SIZE: 10pt; mso-style-type: export-only } DIV.Section1 { page: Section1 } </STYLE> </HEAD> <BODY lang=EN-US vLink=purple link=blue> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2>Hi there --</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2>The command_timeout option in the client's nrpe.cfg file is set to 60. The syntax of the line is shown below:</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2>command_timeout=60</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=442584119-13052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV><BR> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> <FONT face=Tahoma size=2><B>From:</B> Stier, Matthew [mailto:Matthew.Stier@us.fujitsu.com] <BR><B>Sent:</B> Thursday, May 13, 2010 3:27 PM<BR><B>To:</B> Nagios Users List<BR><B>Subject:</B> Re: [Nagios-users] Host down due to plugins timing out<BR></FONT><BR></DIV> <DIV></DIV> <DIV class=Section1> <P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">The default timeout for nrpe is 10 seconds. How long does your plugin take to run?<o:p></o:p></SPAN></P> <P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P> <P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P> <DIV> <DIV style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none"> <P class=MsoNormal><B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Kaplan, Andrew H. [mailto:AHKAPLAN@PARTNERS.ORG] <BR><B>Sent:</B> Thursday, May 13, 2010 1:51 PM<BR><B>To:</B> nagios-users@lists.sourceforge.net<BR><B>Subject:</B> [Nagios-users] Host down due to plugins timing out<o:p></o:p></SPAN></P></DIV></DIV> <P class=MsoNormal><o:p> </o:p></P> <P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Hi there --</SPAN> <o:p></o:p></P> <P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">I recently set up a new client to be monitored by our Nagios 3.1.2 server. The client is running the CentOS 5.4</SPAN> <BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">operating system, and it has version 2.6 of NRPE as well as version 2.12 of the plugins installed on it. I made</SPAN> <BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">sure to deactivate the firewall on the system, disable the SELinux option, and also modified the /etc/services</SPAN> <BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">file to include port 5666 with udp and tcp. </SPAN><o:p></o:p></P> <P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">The problem that I am having is that even though everything appears to be running properly, the requests that</SPAN> <BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">are sent from the Nagios server to the client are timing out, with the result being the client appearing as down.</SPAN> <BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">The client has the nrpe program running with the following configuration:</SPAN> <o:p></o:p></P> <P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">/usr/local/nrpe/bin/nrpe -n -c /usr/local/nrpe/etc/nrpe.cfg -d</SPAN> <o:p></o:p></P> <P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">I verified the plugins are working on the client, and also confirmed there are no other clients being reported as </SPAN><BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">down. The configuration that I described is not unique to this client. This same setup is working for other clients </SPAN><BR><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">that are monitored by the server. </SPAN><o:p></o:p></P> <P><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Does anyone have any idea as to why this is occurring, and what I can do to correct it? Thanks.</SPAN> <o:p></o:p></P> <P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><o:p> </o:p></P><PRE><o:p> </o:p></PRE><PRE><o:p> </o:p></PRE><PRE>The information in this e-mail is intended only for the person to whom it is<o:p></o:p></PRE><PRE>addressed. If you believe this e-mail was sent to you in error and the e-mail<o:p></o:p></PRE><PRE>contains patient information, please contact the Partners Compliance HelpLine at<o:p></o:p></PRE><PRE>http://www.partners.org/complianceline . If the e-mail was sent to you in error<o:p></o:p></PRE><PRE>but does not contain patient information, please contact the sender and properly<o:p></o:p></PRE><PRE>dispose of the e-mail.<o:p></o:p></PRE></DIV></BODY></HTML>