Is there a way to delay UP;HARD checks?
Douglas E. Warner
dwarner at ctinetworks.com
Sat Sep 20 02:15:18 CEST 2003
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On Friday 19 September 2003 19:25, Sto Rage® wrote:
> Well, isn't that the point of your monitoring? Each host has a purpose
> (service) on your network, so if its not serving that purpose (service not
> running) then shouldn't you consider that host as being down?
> E.g. I have a Win2k Fax Server, if its not running the fax service I
> consider the host as down, even if I am able to ping it, and other services
> are running.
> So in your case, if its not critical for you if a card is down, then why
> monitor that card in the first place?
No, its not the same. If I have more than enough modem cards (failover) to
handle calls, the NAS still works despite one being down. The fact that the
one card is down is still bad, but not so bad that the function of the box is
nullified.
People run multiple services on their boxes; sometimes these services fail to
start or stop working, that's why we check them. Sometimes these services
also take 7 minutes to boot, and I don't want to hear that they're still down
until they've been down for 15 minutes.
Also, this can't be the same as setting a adjusting max_check_attempts and
*_check_interval, because if it goes down after the box has been running
correctly for awhile, I care immediately; only if the box has JUST come out
of a DOWN state do I care that it's taking so long for the service to come
up.
- -Doug
- --
Douglas E. Warner <dwarner at ctinetworks.com> Network Engineer
CTI/PAdotNET http://ctinetworks.com +1 717 975 9000
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