201 · Question #171
How should a BIG-IP Administrator persistent sessions from being sent to a pool member so that the server administrator can perform maintenance?
The correct answer is A. force the pool member offline. To perform maintenance on a pool member while allowing existing persistent sessions to complete gracefully and preventing new or persistent sessions, the administrator should force the pool member offline.
Question
How should a BIG-IP Administrator persistent sessions from being sent to a pool member so that the server administrator can perform maintenance?
Options
- Aforce the pool member offline
- Bdisable the pool member
- Cadd an additional monitor to the poor
- Ddisable the virtual server
How the community answered
(37 responses)- A81% (30)
- B3% (1)
- C11% (4)
- D5% (2)
Why each option
To perform maintenance on a pool member while allowing existing persistent sessions to complete gracefully and preventing new or persistent sessions, the administrator should force the pool member offline.
Forcing a pool member offline stops new connections and prevents existing persistent sessions from being directed back to the member, but allows current active connections to gracefully complete, making it ideal for maintenance with persistence considerations.
Disabling the virtual server stops all traffic for all pool members associated with that virtual server, which is an overly aggressive action when only one pool member requires maintenance.
Concept tested: BIG-IP pool member states for maintenance
Source: https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm-concepts-11-5-0/4.html
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