Forum Discussion

Paul_E__144936's avatar
Paul_E__144936
Icon for Nimbostratus rankNimbostratus
Feb 20, 2014
Solved

Connection Draining based upon Health Monitoring?

I have an application that has a special URL which returns the server's health state, and I'm working with our load balancing team, who is configuring the F5 for me, and they are having trouble with ...
availability
  • Mui_64918's avatar
    Mui_64918
    Feb 20, 2014

    There is an option called "recv disable" string which if received will disable the member.

     

    From the monitor configuration monitor monwebserver { defaults from https recv disable "MAINTENANCE" recv "PASS" send "GET / HTTP/1.1\r\nHost: abc.com\r\nConnection: close\r\n\r\n } This will disable the member if MAINTENANCE is received and will enable it if PASS is received. when its disabled it will allow existing connections.

     

Mui_64918's avatar
Mui_64918
Icon for Cirrus rankCirrus

Yes that is correct. Sorry I missed a line break.

 

Paul_E__144936's avatar
Paul_E__144936
Icon for Nimbostratus rankNimbostratus
Feb 21, 2014
Thanks again. I think I just found a mistake in my send statement. I put the full path in the Host, instead of just the Host name. Here's a corrected statement. Am I using the correct notation for the port number, or is there a different way I need to specify it? send "GET /HealthCheck.dll/Check HTTP/1.1\r\nHost: glcictkdap108.glr.local:11443\r\nConnection: close\r\n\r\n" which would interpret as: "GET /HealthCheck.dll/Check HTTP/1.1 Host: glcictkdap108.glr.local:11443 Connection: close "