check_disk '/sys not accessable'
Claudio Kuenzler
ck at claudiokuenzler.com
Mon Mar 12 18:43:01 CET 2012
>
> Doing the next obvious thing and including /dev in the excludes works, and
> is a workaround.
>
Good, but workarounds aren't that nice ;-)
Before we think too far, could you make a diff of your different nrpe.cfg's?
Maybe you include another file in which the command check_all_disk is
defined a second time?
That would be a simple explanation...
What happens if you add a sudoers entry to allow the nagios user (or the
user you're running the nrpe daemon as) to launch check_disk? Modify the
check_command so you use sudo before the check_disk command.
On Mon, Mar 12, 2012 at 6:32 PM, davor grgicevic <dgrgicevic at gmail.com>wrote:
> Hi Timothy
>
> localy u r workiong as root.. if you try as user Nagios, it
> wont work ..
>
> u have to run sudo for this
>
> "DISK CRITICAL - /dev/pts is not accessible: Permission denied"
>
> davor
>
>
>
> On Mon, Mar 12, 2012 at 6:17 PM, Boyer, Timothy A.
> <Timothy.Boyer at opm.gov> wrote:
> > $ ./check_disk -w 10% -c 5% -p /sys
> >
> > DISK UNKNOWN - free space:|
> >
> >
> >
> > is the result on both servers.
> >
> >
> >
> > But that’s running locally, which works. The problem is when running via
> > nrpe.
> >
> >
> >
> > Running check_nrpe with –x /sys in the command line returns:
> >
> >
> >
> > DISK CRITICAL - /dev/pts is not accessible: Permission denied
> >
> >
> >
> > Doing the next obvious thing and including /dev in the excludes works,
> and
> > is a workaround.
> >
> >
> >
> > Thanks much…
> >
> >
> >
> >
> >
> > From: Claudio Kuenzler [mailto:ck at claudiokuenzler.com]
> > Sent: Friday, March 09, 2012 7:46 AM
> > To: Nagios Users List
> >
> >
> > Subject: Re: [Nagios-users] check_disk '/sys not accessable'
> >
> >
> >
> > Nagios 3.3.1. Two identical RHEL6.1 systems, and all I’m trying to do is
> > get a total disk space reading.
> >
> >
> > Well the systems are not identical as the manually launched plugin
> output of
> > yours shows:
> >
> > [nagios at server1 ~)$ /usr/lib/nagios/plugins/check_disk -w20% -c10%
> >
> > DISK OK - free space: / 24673 MB (98% inode=99%); /dev/shm 12007 MB (100%
> > inode=99%); /boot 154 MB (65% inode=99%); /home 7507 MB (98% inode=99%);
> >
> >
> >
> > [nagios at server2 /]$ /usr/lib/nagios/plugins/check_disk -w20% -c10%
> > DISK OK - free space: / 22004 MB (77% inode=96%); /dev/shm 498 MB (100%
> > inode=99%); /boot 387 MB (84% inode=99%);
> >
> >
> > Note the /home mount point.
> >
> > Have you checked the servers for the different mount points? It looks
> like
> > on server2 /sys is seen as a partition or mount point while on server1
> the
> > check seems to "ignore" it successfully? Any idea why server2 thinks
> /sys is
> > a partition or mount point?
> >
> > Can you try to launch it specifically on /sys and output the results (on
> > both servers)?
> >
> > ./check_disk -w 10% -c 5% -p /sys
> >
> > Then try to exclude /sys from the check:
> >
> > ./check_disk -w 10% -c 5% -x /sys
> >
> > By the way the error you're seeing seems to be triggered from this code
> (at
> > the bottom of the source file):
> >
> > void
> > stat_path (struct parameter_list *p)
> > {
> > /* Stat entry to check that dir exists and is accessible */
> > if (verbose >= 3)
> > printf("calling stat on %s\n", p->name);
> > if (stat (p->name, &stat_buf[0])) {
> > if (verbose >= 3)
> > printf("stat failed on %s\n", p->name);
> > printf("DISK %s - ", _("CRITICAL"));
> > die (STATE_CRITICAL, _("%s %s: %s\n"), p->name, _("is not
> accessible"),
> > strerror(errno));
> > }
> > }
> >
> >
> >
> > On Fri, Mar 9, 2012 at 1:16 PM, Boyer, Timothy A. <Timothy.Boyer at opm.gov
> >
> > wrote:
> >
> > It's Permissive, so that can't be it. Thanks...
> >
> >
> > -----Original Message-----
> > From: Sigmund Brandstaetter [mailto:sb at maniladev.com]
> > Sent: Thursday, March 08, 2012 4:12 PM
> > To: nagios-users at lists.sourceforge.net
> > Subject: Re: [Nagios-users] check_disk '/sys not accessable'
> >
> > Tim,
> >
> > How about SELinux, is it maybe on only on the one that is making the
> > problem?
> >
> > Cheers
> > Sigmund
> >
> >
> >
> > On 3/9/2012 00:49, Boyer, Timothy A. wrote:
> >> Nagios 3.3.1. Two identical RHEL6.1 systems, and all I'm trying to do
> >> is get a total disk space reading. So nrpe is running on both, with
> >> the identical command in nrpe.cfg:
> >> command[check_all_disk]=/usr/lib/nagios/plugins/check_disk -w $ARG1$
> >> -c $ARG2$
> >> command[check_all_disk]=/usr/lib/nagios/plugins/check_disk -w $ARG1$
> >> -c $ARG2$
> >> Running as user nagios from the central server.
> >> One works fine:
> >> -sh-4.1$ /usr/lib/nagios/plugins/check_nrpe -H server1 -c
> >> check_all_disk -a 20% 10%
> >> DISK OK - free space: / 24673 MB (98% inode=99%); /dev/shm 12007 MB
> >> (100% inode=99%); /boot 154 MB (65% inode=99%); /home 7507 MB (98%
> >> inode=99%);
> >> the other gives me this:
> >> -sh-4.1$ /usr/lib/nagios/plugins/check_nrpe -H server2 -c
> >> check_all_disk -a 20% 10%
> >> DISK CRITICAL - /sys is not accessible: Permission denied
> >> Identical versions of nrpe (2.12); a diff on check_disk shows they're
> >> both identical; both commands work correctly locally run as user Nagios:
> >> [nagios at server1 ~)$ /usr/lib/nagios/plugins/check_disk -w20% -c10%
> >> DISK OK - free space: / 24673 MB (98% inode=99%); /dev/shm 12007 MB
> >> (100% inode=99%); /boot 154 MB (65% inode=99%); /home 7507 MB (98%
> >> inode=99%);
> >> [nagios at server2 /]$ /usr/lib/nagios/plugins/check_disk -w20% -c10%
> >> DISK OK - free space: / 22004 MB (77% inode=96%); /dev/shm 498 MB
> >> (100% inode=99%); /boot 387 MB (84% inode=99%);
> >> Multiple other nrpe commands running on both; this is the only thing
> >> they're having problems with.
> >> /sys is user-readable in both. Logs show nothing.
> >
> >> I've run out of ideas. Pointers in the right direction appreciated...
> >
> >> Tim
> >>
> >>
> >>
> >>
> ------------------------------------------------------------------------------
> >> Virtualization& Cloud Management Using Capacity Planning
> >> Cloud computing makes use of virtualization - but cloud computing
> >> also focuses on allowing computing to be delivered as a service.
> >> http://www.accelacomm.com/jaw/sfnl/114/51521223/
> >>
> >>
> >> _______________________________________________
> >> Nagios-users mailing list
> >> Nagios-users at 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
> >
> >
> > --
> > ---------------------
> > Sigmund Brandstaetter
> > Check my Blog
> > Live from Manila
> > http://maniladev.com
> > ---------------------
> >
> >
> >
> ------------------------------------------------------------------------------
> > Virtualization & Cloud Management Using Capacity Planning
> > Cloud computing makes use of virtualization - but cloud computing
> > also focuses on allowing computing to be delivered as a service.
> > http://www.accelacomm.com/jaw/sfnl/114/51521223/
> > _______________________________________________
> > Nagios-users mailing list
> > Nagios-users at 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
> >
> >
> ------------------------------------------------------------------------------
> > Virtualization & Cloud Management Using Capacity Planning
> > Cloud computing makes use of virtualization - but cloud computing
> > also focuses on allowing computing to be delivered as a service.
> > http://www.accelacomm.com/jaw/sfnl/114/51521223/
> > _______________________________________________
> > Nagios-users mailing list
> > Nagios-users at 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
> >
> >
> >
> >
> >
> ------------------------------------------------------------------------------
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> > Nagios-users mailing list
> > Nagios-users at 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
>
>
> ------------------------------------------------------------------------------
> Try before you buy = See our experts in action!
> The most comprehensive online learning library for Microsoft developers
> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3,
> Metro Style Apps, more. Free future releases when you subscribe now!
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> _______________________________________________
> Nagios-users mailing list
> Nagios-users at 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
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