I find it a bit surprising that AWS has been able to keep this such a secret, especially given that I would have imagined that big enterprise users would presumably want to know what Glacier actually is before depending on it.
Re:Petabyte tape cartridges are coming
by twistedpair on Friday February 05, 2021 @10:00PM
(#26043730)
NDAs are wonderful things.
IIRC Facebook actually built something similar for their cold storage.