Warning while starting Nagios (Changed for Sync to Bulk(NPCD) mode of PNP operation)

[Jatin Davey]

Hi All

I am using Nagios with PNP4nagios as a graphing addon. I was using the 
synchronous mode of PNP operation where in for every data collected the 
process_perfdata is run and the data gets stored in the database. My 
polling was such that for few services like CPU and bandwidth usage the 
frequency of polling was done every 20 secs. This added a lot of load on 
my nagios server box. Its CPU was constantly working at 70-75% and hence 
i decided to switch over to Bulk with NPCD mode and followed all the 
instructions given in the PNP4 site. Everything went fine and nagios 
also verified the configurations correctly. But while starting the 
nagios service i got the following error message as shown below.

Can someone tell me what was the reason for it and is there anything 
that i should be concerned. Please let me know.

Note: After starting the nagios server again i am seeing the data being 
collected and shown in the graphs. No issues in this regard. Now the 
load on my nagios server is significantly reduced. I could see that the 
CPU usage has come down from 70-75% to 40%.

Running pre-flight check on configuration data...

Checking services...
         Checked 199 services.
Checking hosts...
         Checked 24 hosts.
Checking host groups...
         Checked 2 host groups.
Checking service groups...
         Checked 0 service groups.
Checking contacts...
         Checked 16 contacts.
Checking contact groups...
         Checked 1 contact groups.
Checking service escalations...
         Checked 0 service escalations.
Checking service dependencies...
         Checked 0 service dependencies.
Checking host escalations...
         Checked 0 host escalations.
Checking host dependencies...
         Checked 0 host dependencies.
Checking commands...
         Checked 41 commands.
Checking time periods...
         Checked 5 time periods.
Checking for circular paths between hosts...
Checking for circular host and service dependencies...
Checking global event handlers...
Checking obsessive compulsive processor commands...
Checking misc settings...

Total Warnings: 0
Total Errors:   0

Things look okay - No serious problems were detected during the 
pre-flight check
[root at pc-fedora-1 objects]# /etc/rc.d/init.d/nagios start
Starting nagios:su: warning: cannot change directory to 
/var/spool/nagios: No such file or directory
  done.


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