Original post by: matthewfrey ,
While you don't "have to" do anything, I assume you want files on the failed drive? Start with the really important stuff first, Photo's, Documents etc.. Then move to less important items, Time calculation on the finder is pretty tricky, if it gets really long, or stuck, the copy may fail on a I/O error. If the drive is truly failing, you may want to use the command line to copy files, rather then using the finder, or a data recovery program, the mere act of copying files off of a failing hard drive usually destroys it further. Keep a Backup always. Keep 2 - One Offsite.