maybe not CS concepts, but wanted to re-share Perpendicular disc storage from Hitachi. [this video] It's a simple concept to explain, but animation sure makes it fun and lasting.
Animated explanation of perpendicular disc storage.
That song is etched into my memory and bring back a flood of great feelings. Daily Motion is giving me a playback error, but here's a copy from youtube: [this video]
That's what I'm wondering though. Nearly all the WD data center drives are marketed as Ultrastar. Is this marketing, or did the HGST entity supplant WD enterprise during "integration" in the last two years? [link] It looks like the only surviving product names are Ultrastar and CinemaStar. Nothing is labeled HGST anymore. Most of the HGST Helium disks were SMR, if I'm not mistaken. As of now, given the two HelioSeal series, one of the two is SMR. Side Note: Hitachi had such a great thing going with their Schoolhouse Rock meets Dino DNA commercial. I wish this would have continued. [this video]
Hitachi's Schoolhouse Rock style perpendicular recording commercial.
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