[smokeping-users] Re: gaps in the graph
Ralf.Hildebrandt at charite.de
Thu Jan 8 12:58:23 MET 2004
* Brian Boyle <brian.boyle at heanet.ie>:
> Just last night, we noticed gaps in our graphs too (for the first time),
> and were wondering what the problem could be. The only suspicion we
> have so far is DNS - one of the two DNS resolvers in use by the machine
> we run smokeping on was down, and our gaps correspond to multiple small
> intervals within the period of the DNS downtime. The gaps are like yours
> common to all targets, even targets with hard coded IP addresses, which
> I would not expect to have been impacted by DNS issues.
> The DNS outage may have nothing to do with it, but can you see if you
> had a similar issue ongoing during periods where gaps occurred?
This machine got it's own caching DNS: dnscache.
Ralf Hildebrandt (Im Auftrag des Referat V a) Ralf.Hildebrandt at charite.de
Charite - Universitätsmedizin Berlin Tel. +49 (0)30-450 570-155
Gemeinsame Einrichtung von FU- und HU-Berlin Fax. +49 (0)30-450 570-916
Referat V a - Kommunikationsnetze - AIM. ralfpostfix
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