“Backblaze Drive Stats for Q2 2021”
https://www.backblaze.com/blog/backblaze-drive-stats-for-q2-2021/

“As of June 30, 2021, Backblaze had 181,464 drives spread across four
data centers on two continents. Of that number, there were 3,298 boot
drives and 178,166 data drives. The boot drives consisted of 1,607 hard
drives and 1,691 SSDs. This report will review the quarterly and
lifetime failure rates for our data drives, and we’ll compare the
failure rates of our HDD and SSD boot drives. Along the way, we’ll share
our observations of and insights into the data presented and, as always,
we look forward to your comments below.”

“Zero Failures
Three drive models recorded zero failures during Q2, let’s take a look
at each.
6TB Seagate (ST6000DX000): The average age of these drives is over six
years (74 months) and with one failure over the last year, this drive is
aging quite well. The low number of drives (886) and drive days (80,626)
means there is some variability in the failure rate, but the lifetime
failure rate of 0.92% is solid.
12TB HGST (HUH721212ALE600): These drives reside in our Dell storage
servers in our Amsterdam data center. After recording a quarterly high
of five failures last quarter, they are back on track with zero failures
this quarter and a lifetime failure rate of 0.41%.
16TB Western Digital (WUH721816ALE6L0): These drives have only been
installed for three months, but no failures in 624 drives is a great start.”

Yup, for spinning drives I go with WDC.

Lynn

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