Shutdown

[islamessami]

Our company is going to have to power down all the servers in our data center / computer room because of required electrical maintenance.  What steps should I take ahead of time to prepare for this, we have the below equipment 

Core sw, edge switches, wireless controller, firewall 

[Leo Laohoo]

1. Save the config. 
2. Export all the config externally. 
3. Manually power down the appliances BEFORE the main power drops. 
4. During the power up state, do not be in a hurry to power up the appliances.  Wait for 30 seconds (up to 2 minutes) before manually powering up the appliances.

[Reza Sharifi]

Before you shut down anything, make sure you have a good copy of the configuration for each device. After that, I would shut down the devices that have an on/off switch, and after that the ones with no switch (unplug the power cord).

HTH

[Mark Elsen]

 - In practice and or where the important Intranet services are running , there will probably not a unique answer to this question , look at it from a servicing viewpoint to start with.

 M.