Forum Discussion
David_Bradley_2
Nimbostratus
Mar 27, 2007How do I create a passive health monitor?
Can someone point me to documentation (or an example) on writing a passive health monitor into my iRule? Thanks in advance.
Dave
brad_11480
Nimbostratus
Oct 25, 2008Any updates from the support request vaniello? Over a year later and there is some misleading information here from my attempts. I'm new to this and perhaps don't know the method.
Findings:
If the health monitor still thinks the member is available, it seems things aren't going to go well.
Is there a way to makr the node as down faster than waiting for the health monitor cycle to do it?
the LB::down marks it down, true, but it isn't a health monitor down, it is a irule down. So then the question is how does that member become available again?
LB::down doesn't seem to keep the member from being reselected with a LB::reselect if there is 'cookie insert' (or probably other) persistence set. It will continue to reselect this same, failed member.
LB::detach does not appear to clear the persistence either. using that with a LB::reselect results in selecting the same member. the LB::detach doesn't help.
Looking for a code sample where another member is selected and the persistent cookie is updated to this new member if the 'assigned' member is no longer available.
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