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Are there current writes-per-day/durability numbers for traditional spinny disks? I can't seem to find anything other than SSD numbers.
by djsumdog 8y ago
Are there current writes-per-day/durability numbers for traditional spinny disks? I can't seem to find anything other than SSD numbers.
- monocasa 8y agoSpinning rust doesn't really express durability in terms of number of writes. The two are orthogonal for that technology.
- wtallis 8y agoSome hard drives come with workload ratings. For example, the WD Gold is rated for 550TB (reads+writes) per year (if you run it 24/7). But because the wearout mechanisms are so different between hard drives and SSDs, you can't make a very meaningful comparison between them.
- dragontamer 8y agoHard Drives don't fail that way. Hard drives fail in other ways, so "writes per day" is simply irrelevant to the hard drive market. Hard Drives fail because of vibration, broken motors, and things like that. MTBF is the typical metric for hard drives. There are also errors that pop up if data sits still too long (on the order of years), because the magnetic field loses its charge over time.