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Jnon's avatar
Jnon
Icon for Nimbostratus rankNimbostratus
Mar 22, 2013

Health Monitor Settings

I intersted in finding a way to tweak a health monitor threshold - my guess is maybe in the 'b db" or somewhere the option exists to increase the "timeout" value on health checks,

 

 

Watching the LTM log there are some apps that are "up" and "down" the application owners do not seem to think they have a problem with the application, I'm not sure what the value is for the health check on an http monitor to wait for a response back, I would like to be able to increase that value hopefully on an individual profile.

 

config
design

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  • Kevin_Stewart's avatar
    Kevin_Stewart
    Icon for Employee rankEmployee
    Mar 22, 2013
    The timeout value is accessible in the management GUI. If you think the monitor is flagging a server down inappropriately you can certainly adjust/increase the timeout value for the specific monitor. You may also consider capturing some of the traffic to see why the monitor may be failing in the first place.
  • Lazar_92526's avatar
    Lazar_92526
    Icon for Nimbostratus rankNimbostratus
    Mar 22, 2013
    Interval specifies, in seconds, the frequency at which the system issues the monitor check.

     

     

    Timeout specifies the number of seconds the target has in which to respond to the monitor request. If the target responds within the set time period, it is considered up. If the target does not respond within the set time period, it is considered down.

     

     

    Make sure you check the status on the individual members, and make sure the application owners are looking at the same member. One member may be responding at a different rate and causing the variable up/downs