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Forum Discussion

bdo_isd_28658's avatar
bdo_isd_28658
Icon for Nimbostratus rankNimbostratus
Jul 27, 2009

LTM log query

Hi,     Can you let me know if when I see this in the LTM log ...     Jul 27 17:11:20 bip01 bigd[1917]: 01060001:5: Service detected DOWN for ::ffff:10.1.20.180:80 monitor test_m...
management
monitoring
bdo_isd_28658's avatar
bdo_isd_28658
Icon for Nimbostratus rankNimbostratus
Jul 28, 2009
Hi Aaron,

 

 

Thanks for the reply.

 

 

I've run the dumps and the debugs and it pretty much proves what I've been telling people here in that the server is not replying to the monitor for four checks and then being marked down.

 

 

We have absolutely no idea why though.

 

 

It is a domino web server and we have created a monitoring page monitoring.html that loads in about .4ms. but randomly throughout the day the monitor will fail and mark the node as down.

 

 

Our health monitor is

 

 

 

GET /monitoring.html HTTP/1.1\r\nHOST: myserver/monitoring.html \r\nCONNECTION: close\r\n

 

 

 

Monitoring

 

 

This works most of the time but when the server gets busy it seems to drop the monitoring checks from BigIP.

 

 

I'm going to have to push out the timeout timer to 26 seconds to see if I can get some sort of health check working.