Re: [Nagios-users] Uptime Calculation Question

2011-02-11 Thread Breandan Dezendorf
On Fri, Feb 11, 2011 at 7:03 AM, Kevin Keane wrote: > The trick is to carefully select what you are actually checking. You > probably don't want to run 5000 checks every five minutes, but you really > only need to have one check, or a few at most, per server that will tell you > whether or not wha

Re: [Nagios-users] Uptime Calculation Question

2011-02-11 Thread Kevin Keane
be crafted very specifically to measure whatever parameters your SLA defines. -Original Message- From: Breandan Dezendorf [mailto:brean...@dezendorf.com] Sent: Thursday, February 10, 2011 6:50 PM To: Nagios Users List Subject: Re: [Nagios-users] Uptime Calculation Question On Thu, Feb 10,

Re: [Nagios-users] Uptime Calculation Question

2011-02-10 Thread Jim Avery
On 11 February 2011 02:49, Breandan Dezendorf wrote: > And the lower you set the check_interval, the harder the servers have > to work to keep up with all the checks.  While the servers we are > running could very well run all 5000 service checks every 5 minutes > (or even faster), it would chew u

Re: [Nagios-users] Uptime Calculation Question

2011-02-10 Thread Yueh-Hung Liu
consider distributed monitoring On Fri, Feb 11, 2011 at 10:49 AM, Breandan Dezendorf wrote: > On Thu, Feb 10, 2011 at 9:12 PM, Yueh-Hung Liu wrote: >> nothing will be known without checking. >> you want more precise data you have to do more checks, that is, >> decrease the "check_interval" valu

Re: [Nagios-users] Uptime Calculation Question

2011-02-10 Thread Breandan Dezendorf
On Thu, Feb 10, 2011 at 9:12 PM, Yueh-Hung Liu wrote: > nothing will be known without checking. > you want more precise data you have to do more checks, that is, > decrease the "check_interval" value. And the lower you set the check_interval, the harder the servers have to work to keep up with al

Re: [Nagios-users] Uptime Calculation Question

2011-02-10 Thread Yueh-Hung Liu
nothing will be known without checking. you want more precise data you have to do more checks, that is, decrease the "check_interval" value. On Fri, Feb 11, 2011 at 5:37 AM, Breandan Dezendorf wrote: > Does anyone have a good guide to the impact the check_interval setting > has on calculating up

[Nagios-users] Uptime Calculation Question

2011-02-10 Thread Breandan Dezendorf
Does anyone have a good guide to the impact the check_interval setting has on calculating uptime and availability data from Nagios logs? For example, if your check_interval is set to 10 minutes, a service could be down for 9 minutes and never register in Nagios. However, your availability numbers