How reliable are modern hard drives?

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Intel puts Optane memory and NAND storage together on H10 SSD
Due to appear in May, the 3D XPoint and storage combo is aimed at the thin laptop market.

All hard drive manufacturers provide reliability data for their offerings, but if you want to really know how well they stand up to use, ask a company that uses a lot of them.

Cloud storage specialist Backblaze is a good example.

Must read: 10 Apple gadgets you shouldn’t buy (May 2019 edition)

The good news is that Backblaze publishes quarterly stats and reliability data for the drives it uses, and this data gives us a glimpse into real-world storage reliability.

The data for Q1 2019 contains some interesting tidbits. For example, the cloud backup company has 106,238 hard drives in three data centers. 1,913 of those are boot drives, while the rest are used for storage.

With that many drives in use, trends start to stand out. For example, over the past three years, the annualized failure rates for Seagate and HGST have improved, with Seagate failure rate down 50 percent in that period.

Quarterly failure rates for Seagate and HGST hard drives.

Quarterly failure rates for Seagate and HGST hard drives.

Backblaze

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But it’s also interesting to note that Seagate failure rates have started to steadily increase over the past three quarters. Backblaze doesn’t yet have an explanation for this.

As for future data, Backblaze is looking to roll out at least twenty 20TB drives for testing by the end of 2019, along with at least one HAMR based drive from Seagate and/or one MAMR drive from Western Digital.

See also:

Five ways Apple is responding to falling iPhone salesApple will soon be blitzing your iPhone with ads, because it’s profitableiOS 12.2 has a handy new timesaving feature for when your iPhone or iPad breaks downApple hardware updates have become boring, and the company knows itiOS 13 wishlistHardware is hard: The tech products that fooled or failed usHow to stop your iPhone from tracking and storing the locations of where you live, work, and visitShould you be scared of your laptop’s webcam?

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