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A comment on Western Digital to Ship 20TB OptiNAND HDDs in November. Parent comment

Re:Western Digital to Ship 20TB OptiNAND HDDs in November by numpad0 on Tuesday November 02, 2021 @01:47AM (#29077534)
HDDs had larger platters and multiple heads, they evolutionarily lost them. I could be completely wrong but judging by audible noises disks make I suppose vibrations make it hard to actually run multiple heads.
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Re:Western Digital to Ship 20TB OptiNAND HDDs in November by namibj on Tuesday November 02, 2021 @02:09AM (#29077664)
For the latter, it should suffice to use a monolithic closed loop control that intrinsically compensates for induced torque coupled between actuators through the base.
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