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RyanFeiock_2247's avatar
RyanFeiock_2247
Icon for Nimbostratus rankNimbostratus
Sep 30, 2015

Action On Service Down - expected results

I came across this article:   https://support.f5.com/kb/en-us/solutions/public/13000/300/sol13310.html   About using BigIP for maintenance, and would like to work it in to our code deployment p...
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RyanFeiock_2247's avatar
RyanFeiock_2247
Icon for Nimbostratus rankNimbostratus
Sep 30, 2015

Gotcha. So given the timing of the errors, I think they occur during the process of forcing a node offline (as opposed to another deployment activity). I am fairly certain it is this process because I can run a load test to generate load on the servers, and then manually force nodes offline one at a time via the F5 Management UI. Most of the time there are no errors, but around 4% of the time I will encounter them.

 

BTW, load in this scenario is about 2100 connections spread across 4 pools, 2 pools on the web tier and 2 on the app. Each pool has 3 nodes (physical servers). There are 3 web servers and 3 app servers. Are you able to force a node offline with similar load without errors?