3 ms·
> and the number of sectors per track can vary even between two sides of the same platter at the same radial distance Wouldn't that cause all sorts of issues w
by nubinetwork 3y ago
> and the number of sectors per track can vary even between two sides of the same platter at the same radial distance
Wouldn't that cause all sorts of issues with SMR drives?
- magicalhippo 3y agoThe point with SMR is to overlap tracks like roof shingles, since the read heads can read a narrower track than the write heads can write. In addition, the heads have multiple levels of independent actuation beyond the shared arm itself[1][2]. So as long as the tracks themselves are fairly consistent, I don't see why the number of sectors per track has to be equal. [1]: https://pcper.com/2009/09/wd-unleashes-nested-actuator-and-anti-disk-tech-with-two-new-7200rpm-2tb-models/ https://pcper.com/2009/09/wd-unleashes-nested-actuator-and-a... [2]: https://blog.westerndigital.com/hdd-magic-20tb-18tb/ https://blog.westerndigital.com/hdd-magic-20tb-18tb/