M-DISC for archival
I've been looking at M-DISC Bluray's for archival instead. eg:
- https://www.verbatim.com/subcat/optical-media/m-disc/
- https://www.amazon.com/Millenniata-Inc-M-DISC-Blu-ray-Media/dp/B00KGWV6MI
Seems like a safer bet than tape, just due to wider availability of bluray drives that can read them.
LTO-4 drives will be around for a few years, but more recent generations (LTO-7 and above) won't be able to read the tapes.
(Apologies for the formatting, the styling of lists by TheReg is fairly broken)