On 23/10/18 23:56, CygX1 wrote: > Yes, creating the copies takes 8 days via USB 3.0 :-( -> that's actually > the reason I copied just two drives and not the complete set of 4. Which is why "replacing a failed drive", on the wiki, recommends in the first paragraph that you get yourself an add-in SATA card. A cheap 2-port card should be about £30. (Tech exchange rates tend to be £1 == $1.) You're probably looking at about £50-£100 for a cheap data recovery setup - add-in card and cradle - that'll make disaster recovery for yourself or others much easier. And I've made a few quid on the side recovering data for people who knew I had the ability ... :-) Cheers, Wol