Hello Thomas, great, your plugins works fine. Thank you!
Regards, Dirk --On 29. Mai 2008 08:44:47 -0400 Thomas Guyot-Sionnest <[EMAIL PROTECTED]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 29/05/08 07:14 AM, Dirk H. Schulz wrote: >> Hello nagios fellows, >> >> I am running a nagios test environment on CentOS 4 and RHEL4/5, and came >> to recognize some errors in check_mem.pl: >> >> - if used with option -f (checks free memory), it does not report back >> free memory - the amount reported corresponds to cached memory. >> - if used with option -u (checks used memory), it reports wrong >> percentages, e.g. if 2.6 GB of 4 GB on a 32Bit System is used it reports >> 93 % used. >> >> Are these known errors? I did not find much relating to that. >> Is there a replacement for check_mem.pl? > > I never used check_mem, be be aware that Linux can cache all free memory > while still having is available for any process than need it. On some > servers with very stable loads the "free" memory can get down to only a > few megs (out of many GBs) but if you take into account cached memory > that can be freed up any time the picture is much different. > > I wrote this memory check (using Nagios::Plugin) that can take absolute > values and percentages as thresholds. It parses free(1) and returns the > amount of memory available, counting cached memory into account. It also > let you choose the unit to display free memory with: > > http://www.nagiosexchange.org/cgi-bin/page.cgi?g=1433.html;d=1 > > Since your system will always keep some memory in buffers/cache you > should take this into account when setting thresholds. > > Thomas > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.6 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFIPqU/6dZ+Kt5BchYRAmDbAKCYXpcxpxqP15Oc6n+QKYlu6dDVrgCgprZJ > 6urqcEJuIGUdlNAuL9t+KtM= > =EYq6 > -----END PGP SIGNATURE----- > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Nagios-users mailing list > Nagios-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nagios-users > ::: Please include Nagios version, plugin version (-v) and OS when > reporting any issue. ::: Messages without supporting info will risk > being sent to /dev/null -------------------------------------------------------------- Dirk H. Schulz IT Systems Service Wiesenweg 12, 85567 Grafing Tel. 0 80 92/86 25 68 Fax. 0 80 92/86 25 72 -------------------------------------------------------------- Technik vom Feinsten - und das nötige Tuning ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
