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Backblaze Quarterly Drive Failure Stats


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Backblaze, a data backup company (where I store a backup copy of my music) puts out nice, detailed quarterly failure rate information for all the drives in its system.  (They also have a couple of intriguing blog posts on HDDs vs. SSDs, both of which they utilize.)

 

Here’s the latest:

 

https://www.backblaze.com/blog/backblaze-drive-stats-for-q3-2021/?utm_campaign=Business Newsletter-B2%2C B1B%2C B2&utm_medium=email&_hsenc=p2ANqtz--KWsUZkHSK7dH2F0VWI8MT9E6ZmbjFfelMdl9uAK3SsiCQaIcj3VX_PEztyGd4Noql-16YyxfSdGZ1zvPfzQBY33UV-A&_hsmi=178010784&utm_content=178010784&utm_source=hs_email&hsCtaTracking=a1279978-becc-419e-a13d-f4941bca64a5|55371848-670d-4152-9f07-56d71ddebe67

One never knows, do one? - Fats Waller

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science. - Einstein

Computer, Audirvana -> optical to EtherREGEN -> microRendu -> ISO Regen -> iFi NEO iDSD DAC -> Apollon Audio 1ET400A Mini (Purifi based) -> Vandersteen 3A Signature.

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It seems they stopped to use consumer HDDs a few years ago, their list becomes less relevant for home users.

 

Recently I've got Toshiba MG08ACA16TE, its two-dimensional magnetic recording is technically interesting, IIRC when writing, it records denser bits than read head limit and, when reading, every bits are gathered with the help of multiple read heads, signal processing and error correction technique.

 

Following is my storage setup, 4TB x8 drive RAID10 with 1 hot spare and 16TB x3 RAID5 backup.

raid_hdds.thumb.jpg.648b78f003835e02b0a264fb039fea22.jpg

Sunday programmer since 1985

Developer of PlayPcmWin

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  • 4 weeks later...
On 11/3/2021 at 12:49 AM, AudioDoctor said:

Jud, I took the expensive leap into all SSD storage with Seagate Ironwolf NAS drives, if you want i'll start collecting data for you. 

Personally have tended toward HGST ultrastar in SAS (WD acquired from Hitachi) because of the low error rate. I've had lots of problems with Seagate over the years and Backblaze confirms.

 

SSDs haven't been more reliable for me, less actually, in the mirrored RAID usage. That said NVME SSDs have very interesting applications.

Custom room treatments for headphone users.

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5 hours ago, jabbr said:

Personally have tended toward HGST ultrastar in SAS (WD acquired from Hitachi) because of the low error rate. I've had lots of problems with Seagate over the years and Backblaze confirms.

 

SSDs haven't been more reliable for me, less actually, in the mirrored RAID usage. That said NVME SSDs have very interesting applications.

 

well... I guess I'll keep a close eye on my storage and keep this in mind if I start getting problems.

No electron left behind.

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On 11/25/2021 at 4:51 PM, AudioDoctor said:

 

well... I guess I'll keep a close eye on my storage and keep this in mind if I start getting problems.

yeah the blackblaze site is looking into this as well. the early annual failure rates of SSD vs the better HDD aren't entirely dissimilar. I have found that the SDD is more likely to "brick" without warning, whereas I replace my HDDs as soon as they start to early errors. The word is still out.

Custom room treatments for headphone users.

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9 minutes ago, jabbr said:

yeah the blackblaze site is looking into this as well. the early annual failure rates of SSD vs the better HDD aren't entirely dissimilar. I have found that the SDD is more likely to "brick" without warning, whereas I replace my HDDs as soon as they start to early errors. The word is still out.

 

Through the years I have had very few disk failures and/or problems. Even with SSDs. Out of the 20 Seagate SSDs I recently put into use, 1 died almost immediately and Seagate replaced it quickly and without fuss.

No electron left behind.

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  • 1 month later...

Thank you for posting the link. Haven't check this report for a while. I'm currently using 4TB HGST drives in my NAS, so far so good, but they're getting old now. It's maybe time to replace them, just in case.

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