Cannot open pipe: /bin/ping

[Subhendu Ghosh]

Increase the number of open files to 8192 at leat and also check the 
number of inodes  ("sysctl -a" on linux fpr current settings)

-sg

On Mon, 25 Nov 2002, Brian Wilson wrote:

> 
> We experienced a major outage today (>700 devices) and nagios seemed to
> not be able to keep up with the notifications.  We had about 70 services
> with UNKNOWN status with the message "Cannot open pipe:  /bin/ping".  I'm
> assuming this is a ulimit problem because RAM, swap and CPU seem to be ok.
> So here are the limits currently imposed for the nagios user:
> 
> $ ulimit -a
> core file size        (blocks, -c) 0
> data seg size         (kbytes, -d) unlimited
> file size             (blocks, -f) unlimited
> max locked memory     (kbytes, -l) unlimited
> max memory size       (kbytes, -m) unlimited
> open files                    (-n) 1024
> pipe size          (512 bytes, -p) 8
> stack size            (kbytes, -s) 8192
> cpu time             (seconds, -t) unlimited
> max user processes            (-u) 256
> virtual memory        (kbytes, -v) unlimited
> 
> 
> Does anyone have any recommendations for changing any of the above.
> Nagios is the only thing running on our machines, so it should be able to
> have whatever resources it wants.
> 
> Anyone have a good way of changing these limits for the nagios user?  I'm
> assuming this would have to be done in the startup script.
> 
> Thanks in advance,
> Brian
> 
> --
> Brian Wilson  <wilson at ncsu.edu>      Network Analyst
> Communication Technologies, ATD      W: 919.513.3472
> North Carolina State University      www.ncstate.net
> 
> 
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