Forum Discussion
lingesh_118835
Apr 13, 2015Nimbostratus
Persistence issue
Please update what is persistence and how we can configure .
What is persistence timeout option?
- Apr 13, 2015
Read Session Persistence - v11.6.0
The timeout specifies how long the system keeps the record before it is expired for inactivity.
lingesh_118835
Nimbostratus
Thanks for the update.
I have quick question .In my f5 i am deleting Pool members and my senior suggested us Verify there are no connections or Persistence Records for the 2 existing nodes before removing them from the pool.
what is the use ,why he said like that
BinaryCanary_19
Apr 13, 2015Historic F5 Account
You can ask him to explain this to you.
Basically, you don't want to have any current connections to those pool members, because they will be disrupted when you take the pool members out.
You don't want any persistence entries because if there are persistence entries pointing to a non-existent pool member, the system may attempt to send connections to the non-existing pool member (you have to test this to confirm).
You should be able to mark the pool members as disabled, and they will continue serving active and persisting connections, and periodically check the connection table until when there are no active sessions and no active connections to the pool members, then you can remove them.
`tmsh show sys connection ss-server-addr `
Above command shows you all the connections current to a particular server.
`tmsh show ltm persistence persist-records node-addr `
This command should show you the persistence records for a particular server IP.
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