<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <TITLE></TITLE> <META content="MSHTML 5.50.4611.1300" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=126125518-03022003><FONT face="Comic Sans MS" color=#000080 size=2>Unfortunately, I don't have the info you're looking for.</FONT></SPAN></DIV> <DIV><SPAN class=126125518-03022003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=126125518-03022003><FONT face="Comic Sans MS" color=#000080 size=2>In the event that noone else gives you a reply, you might want to pick one solution and roll with it. If you find you're having performance problems, you'll either have to live with it, or change your design. This falls under "Performance Tuning 101", I'm afraid to say.</FONT></SPAN></DIV> <DIV><SPAN class=126125518-03022003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=126125518-03022003><FONT face="Comic Sans MS" color=#000080 size=2>jc</FONT></SPAN></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Marian Zurek [mailto:Marian.ZUREK@cern.ch]<BR><B>Sent:</B> Monday, February 03, 2003 2:29 AM<BR><B>To:</B> Carroll, Jim P [Contractor]<BR><B>Cc:</B> nagios-users@lists.sourceforge.net<BR><B>Subject:</B> Re: [Nagios-users] NRPE vs. check_by_ssh vs. nagios_statd<BR><BR></FONT></DIV>Hi,<BR><FONT color=black><BR> Thanks for you reply. As the first approach I applied the <SPAN class=398475316-14012003><FONT face="Comic Sans MS" size=2>'<B>check_by_ssh</B>' solution for couple of machines. <BR> I have here around 100 PC and plan to perform two remote </FONT></SPAN>checks on each of them. Could you tell me at which point I might <BR> hit the wall/scalability problem ?<BR> My future plans will be most probably SNMP based, but I am a bit </FONT>hesitant<FONT color=black> if it is really needed with this number of host/services ??<BR><BR> Thnaks in advance for your comments.<BR><BR>Regards,<BR>Marian<BR></FONT><BR>Carroll, Jim P [Contractor] wrote:<BR> <BLOCKQUOTE cite="mid74D428BDBFD5D04CB54E84499ECA29DB2F24F9@PKDWB03C.ad.sprint.com" type="cite"> <META content="MSHTML 5.50.4611.1300" name=GENERATOR> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>A common question, one which burned in my mind when I came to that crossroads, and perhaps one which should be added to the FAQ.</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>I'll throw my $0.02 in, but YMMV, and I'm sure you'll get some variance in opinions.</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>- check_by_ssh -- great for punching through firewalls where port 22 is already open (saves you having to punch more holes); doesn't scale well, because of the crypto computations</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>- NRPE -- it's what I'm using; many aren't thrilled with having to manage multiple nrpe.cfg files across every client; I've managed to make do</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>- nrpep -- not terribly familiar with it; basically a variation on the NRPE theme, I believe, except in Perl</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>- nagios_statd -- for starters, you'd have to install Python on ever client you wish to install this on; I also seem to recall reading a post to the list where someone was having problems expanding on the functionality</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>- check_snmp -- this is something I've been pondering for a while, and would like to try; someone posted very recently that it's quite lightweight; you'll need the SNMP binaries installed on the Nagios host as well as every client; not sure, but I'm guessing that the lion's share of the SNMP effort is peeling back the layers to find exactly what things you can monitor</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>- NSCA -- this is the passive approach, meaning the client will need to contact the server; I pondered this as an option, but nobody could tell me how well it scales, or whether it would suffice as a replacement for the active checks that NRPE gives me</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>In summary, I'm using NRPE, and am considering adding/switching to check_snmp.</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>HTH.</FONT></SPAN></DIV> <DIV><SPAN class=398475316-14012003></SPAN> </DIV> <DIV><SPAN class=398475316-14012003><FONT face="Comic Sans MS" color=#000080 size=2>jc</FONT></SPAN></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(0,0,128) 2px solid"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Marian Zurek [<A class=moz-txt-link-freetext href="mailto:Marian.ZUREK@cern.ch">mailto:Marian.ZUREK@cern.ch</A>]<BR><B>Sent:</B> Tuesday, January 14, 2003 10:35 AM<BR><B>To:</B> <A class=moz-txt-link-abbreviated href="mailto:nagios-users@lists.sourceforge.net">nagios-users@lists.sourceforge.net</A><BR><B>Cc:</B> <A class=moz-txt-link-abbreviated href="mailto:Marian.ZUREK@cern.ch">Marian.ZUREK@cern.ch</A><BR><B>Subject:</B> [Nagios-users] NRPE vs. check_by_ssh vs. nagios_statd<BR><BR></FONT></DIV>Hi all,<BR><BR> I started to use the NAGIOS and came to the question which facility out of : <BR> <BR> <B>- check_by_ssh<BR> - </B><B>NRPE</B> <BR> <B>- nrpep<BR> - nagios_statd<BR> - ???<BR><BR></B> should choose the for the remote checks (disk space, free memory, etc.). <BR> I plan also to perform the SNMP based queries in the future also.<BR><BR> As I am quite new in the "business" I will be grateful for sharing your experience. <BR><BR>Regards,<BR>Marian<BR>------------------------------------------------------- This SF.NET email is sponsored by: FREE SSL Guide from Thawte are you planning your Web Server Security? Click here to get a FREE Thawte SSL guide and find the answers to all your SSL security issues. <A class=moz-txt-link-freetext href="http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0026en">http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0026en</A> _______________________________________________ Nagios-users mailing list <A class=moz-txt-link-abbreviated href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</A> <A class=moz-txt-link-freetext href="https://lists.sourceforge.net/lists/listinfo/nagios-users">https://lists.sourceforge.net/lists/listinfo/nagios-users</A></BLOCKQUOTE></BLOCKQUOTE><BR></BLOCKQUOTE></BODY></HTML>