1/12/2023 0 Comments Backblaze hard drive statsBackblaze's SSDs, on the other hand, continued to fail at roughly the same 1 percent rate as they did the year before. But once you hit year five, HDD failure rates begin going upward quickly-jumping from a 1.83 percent failure rate in year four to 3.55 percent in year five. Over their first four years of service, SSDs fail at a lower rate than HDDs overall, but the curve looks basically the same-few failures in year one, a jump in year two, a small decline in year three, and another increase in year four. This makes the data less useful for comparing relative reliability between companies, but it can still be useful for comparing the overall reliability of hard drives to the reliability of SSDs doing the same work. The sample size for this SSD data is much smaller, both in the number and variety of drives tested-they're mostly 2.5-inch drives from Crucial, Seagate, and Dell, with little representation of Western Digital/SanDisk and no data from Samsung drives at all. The reports are comprehensive enough that we can draw at least some conclusions about which companies make the most (and least) reliable drives. Based on data collected since the company began using SSDs as boot drives in late 2018, Backblaze cloud storage evangelist Andy Klein published a report yesterday showing that the company's SSDs are failing at a much lower rate than its HDDs as the drives age.īackblaze has published drive failure statistics (and related commentary) for years now the hard drive-focused reports observe the behavior of tens of thousands of data storage and boot drives across most major manufacturers. Today, multiple backups and good luck are what’s needed for the most reliable data storage.Backup and cloud storage company Backblaze has published data comparing the long-term reliability of solid-state storage drives and traditional spinning hard drives in its data center. There’s no recession in the digital data storage business. Though specific estimates vary, there’s a consensus that the rate of growth is about 50% each year. What’s state-of-the-art in storage today may not be a year from now.Īt the same time, everyone’s need to archive a vast amount of data is exploding. The creation of a very long-term, highly reliable archival storage medium is the subject of a vast amount of research these days it’s an ever changing technology. For most normal PC and Mac personal computer users, the cost dictates the second option.Īnother factor is there is no such thing today as permanent storage technology for the masses. So what’s a computer user to do? Essentially there are two choices today for serious archiving: either spend big money to record your data on a professional magneto-optical or other archival media for long term backup or use a combination of hard drives, SSD and cloud backup. So somewhere between 6-10 years, your data is going to disappear because the magnetic field is no longer strong enough to retain the data. No magnetic drive company claims its products can store data reliably for more than 10 years. The rule of thumb is all magnetic media, like that used in hard drives, has a half-life of about five years. Though the Backblaze data can help us small-scale users determine which models to buy, there is still no guarantee the drive won’t fail. Backblaze has 250 Dell DellBoss VD SSD drives. Its AFR was even more impressive at 0.36%. The company also has 562 Seagate ZA250CM10002 drives. There are only four of them in use and one of them failed.īackblaze uses 1,090 of the Seagate ZA250CM10003 drives and it had a 1.04% AFR in 2021. The situation is more extreme with the Seagate drive in question. While there’s a high AFR, there’s a low sample size and a wide confidence interval. Backblaze uses only 20 Crucial drives, and they were all installed in December. The overall number of these SSD drives, however, is much lower than hard drives.
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