Steps to perform when replacing failed disk. Do I have to power down system?

Reading the truenas guide it doesn’t specify a few things when replacing a failed disk.

I just wanted to clarify the process I need to perform:

  1. set disk to offline in the GUI (I think truenas has already done this automatically as I got a notification the disk is offline after it failed and my pool degraded).

  2. turn off server? Or just unplug the disk and plug in the replacement? I do not have them installed in hot swap bays, just old school caddys.

  3. turn on server?

  4. go to the offline disk in the GUI and select ‘replace’ and then select the new disk from the drop down…

  5. it reslivers? And done.

Side point: do I need to do anything to a brand new disk before installing it into my pool? Any tests? Checks? Burn ins or anything?