changing 2 disks in a mirror with larger disks

[RogerDingoDing]

hi all

im looking at upgrading 2 of my disks which sit as a mirror on freenas.
i have some new 8TB disks that id like to replace the existing disks with...

so my question is

can i simply pull one of the disks out and put my new disk in?
wait till it finishes rebuilding the mirror then repeat for the other disk?

or would i be better off copying the data off these 2 disks and replacing both disks at once meaning build a new pool/share etc?


Version:
FreeNAS-11.3-U3.2


let me know if you need any more info!


appreciate any help


cheers!