[ttfvjktesd]

> tens of millions of disks

If we assume enterprise HDDs in the double digit TB range then one can estimate that the total S3 storage volume of AWS is in the triple digit Exabyte range. That's propably the biggest storage system on planet earth.

[threeducks]

A certain data center in Utah might top that, assuming that they have upgraded their hardware since 2013.

https://www.forbes.com/sites/kashmirhill/2013/07/24/blueprin...

[ttfvjktesd]

This piece is interesting background, but worth noting that the actual numbers are highly speculative. The NSA has never disclosed hard data on capacity, and most of what's out there is inference from blueprints, water/power usage, or second-hand claims. No verifiable figures exist.

[yanslookup]

Production scale enterprise HDDs are in the 30TB range, 50TB on the horizon...

[iszomer]

Yes, WD 28-30TB range; we have a sku with 1000+ drives per rack and it weighs more than a ton.

[pjdesno]

Google for Seagate Mozaic