retry_check_interval issue/confusion
prosolutions at gmx.net
prosolutions at gmx.net
Wed Mar 1 20:14:10 CET 2006
In http://nagios.sourceforge.net/docs/2_0/xodtemplate.html it states:
retry_check_interval: This directive is used to define the number of
"time units" to wait before scheduling a re-check of the service.
Services are rescheduled at the retry interval when the have changed to
a non-OK state. Once the service has been retried max_attempts times
without a change in its status, it will revert to being scheduled at its
"normal" rate as defined by the check_interval value. Unless you've
changed the interval_length directive from the default value of 60, this
number will mean minutes.
"is used to define the number of "time units" to wait before scheduling a re-check of the service" What exactly does this mean? If a service check fails, then there is clearly a need to recheck the service. One would normally want to do a recheck of the service in question at a higher rate than the normal scheduled (a.k.a. "normal_check_interval" rate). Am I correct in this? If so, and if that is the purpose of retry_check_interval, then the above definition is wrong, because it states "number of "time units" to wait before scheduling a re-check". It does not say "number of "time units" to wait before re-checking". The difference here is that as defined it will wait retry_check_interval units of time and then only reschedule the check.
Perhaps the confusion has to do with what it means to "schedule a
check". I would think that in essence all future checks are "scheduled"
in the sense that they are defined to take place at certain future
times, as determined by their normal_check_interval and check_period
definitions. But I am guessing that "schedule" in nagiosspeak actually
means something analogous to placed into the queue for checking during
the next available opportunity according to the current position of the
service reaper.
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