When I was a sole trader many years ago in the UK my accountant told me to always make sure enough went through my books to show I was earning enough...
1st thing I would do is copy all the data on the other drives to another external source. Just in case it all turns to custard, easier to do a backup...
As Bryan stated, what's the Hurry. I personally leave any media in until it goes to the first desktop after installing, It could come out earlier but...