Backblaze Drive Stats for Q2 2021

As cited in DDIA

Andy Klein. "Backblaze Drive Stats for Q2 2021." backblaze.com, August 2021. Archived at perma.cc/2943-UD5E

How the page describes itself

Hard Drive Reliability: A Look at HDD and SDD Failure Rates

We review the quarterly and lifetime failure rates for our 178,166 data drives and compare the failure rates of HDD and SSD boot drives.

From the page's own metadata at backblaze.com, 2026-08-29.

Link check

Status

Link checked and reachable (HTTP 200)

Format

text/html

Size

0.1 MB

Last checked

2026-08-29

Identifiers and archived copies

perma.cc

https://perma.cc/2943-UD5E