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Forum Discussion

swiss2000_13853's avatar
swiss2000_13853
Icon for Nimbostratus rankNimbostratus
Feb 08, 2010

slow ramp?

Hi all!     On my LTM, I have an application running on 6 backend servers. Each server is shut down overnight, and starts sometime in the morning.   The servers are not ready at the sa...
config
design
hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Feb 09, 2010
Hi Marc,

 

 

If there is only one pool member not marked down in a pool, I don't think the slow ramp option would do anything. I believe this option dynamically lowers the priority of the newly added pool member. If there is only one pool member available there wouldn't be other members to use more heavily.

 

 

You could potentially handle this scenario in an iRule using HTTP request limiting if [active members [LB::server pool]] == 1:

 

 

There are quite a few different HTTP limiting rules in the Codeshare. Try searching for limit on the page:

 

 

http://devcentral.f5.com/Wiki/default.aspx/iRules.CodeShare

 

 

Aaron