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When you need to perform maintenance on one of the pool members providing a service, take the server out of rotation so that you can perform maintenance without impacting end users.
Taking server out of rotation means you put the pool member in maintenance mode.
F5 devices support Disabled and Forced Offline modes. SolarWinds NPM uses the Disabled maintenance mode.
Taking a pool member out of rotation requires that you have enabled F5 iControl on the device.
When you put a pool in maintenance mode, there are still users connected to the server. Disabling the server only disables brand new connections.
The maintenance mode only changes how the LTM handles incoming requests.
SolarWinds recommends that you wait until the existing connections end or time out not to impact the connected users.
The pool is removed from rotation now. To prevent user impact, watch the connection count for the pool member. It should decline over time as existing users finish their sessions and no new users are added. After the connection count has become low, you can begin maintenance.
Add a reason for taking the pool member out of rotation in the Note field. An info icon will appear next to the pool member, and your note will be displayed as a tooltip when you hover over the info icon.