Forum Discussion

ltp_55848's avatar
ltp_55848
Icon for Nimbostratus rankNimbostratus
Jan 17, 2012

GTM sorry server/last resort best practices

Hi All,     Is there an article that outlines the best practices or guidelines for implementing a GTM sorry server?     The problem I am facing is that we currently use an iRule to resel...
config
design
JRahm's avatar
JRahm
Icon for Admin rankAdmin
Feb 22, 2012
Hi ltp,

If you host the sorry server ON the bigip in an iRule instead of as a pool behind the virtual, the virtual will be marked down as expected, but the sorry page will be returned in the meantime as desired. Simplest implementation: 

when HTTP_REQUEST {
  if { [active_members ] < 1 } {
    HTTP::respond 200 content "Well...that's embarrassing. We seem to have misplaced our resources."
  }
}

I did an article recently on the iFiles feature recently added to the product in 11.1 which makes hosting a sorry server in iRules even easier.

External File Access from iRules via iFiles