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Forum Discussion

Wil_Schultz_101's avatar
Wil_Schultz_101
Icon for Nimbostratus rankNimbostratus
Jul 30, 2007

Reselect pool on status code 500 or above...

So we run some Tomcat servers, when we undeploy the server will send a 503 that states that the application is unavailable. I do have a check that looks for a static page every 5 seconds and fails at ...
application delivery
dev
devops
iRules
Deb_Allen_18's avatar
Deb_Allen_18
Historic F5 Account
Jan 15, 2008
I think the easiest approach is to add an LB_SELECTED event in which you change the load balancing method to round robin & re-select in the same pool for retries only:

when LB_SELECTED {
  if { $myretry >= 1 } {
    LB::mode rr
    LB::reselect pool $mypool
  }
}
HTH

/deb