orphaned service and hosts checks

[jonathan.wheeler at stfc.ac.uk]

We have a large configuration (32823 services across 1377 hosts) which
uses distributed monitoring (master and slave servers).  Since I have
merged checks from 2 old slave servers to a single new, much more
powerful slave server, the new slave server has been logging a large
number of orphaned service and host checks.  For example, of 24347 lines
in the current log file, 4489 refer to orphaned service checks and 808
refer to host checks.  The slave server runs 17985 checks for 732 hosts.
Does anyone know what sort of problem causes orphaned checks ?  Is there
any tuning that I can apply to solve this problem ?  Running command
"nagios -s /etc/nagios/nagios.cfg" does not suggest any configuration
changes.  My servers run Scientific Linux version 5.2 (SL 5 is a
recompiled version of Redhat 5).  

Jonathan Wheeler 
e-Science Centre 
Rutherford Appleton Laboratory



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