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TDMR vs SMRTDMR vs SMRPosted Apr 6, 2011 23:52 UTC (Wed) by akanaber (subscriber, #23265)In reply to: Future storage technologies and Linux by butlerm Parent article: Future storage technologies and Linux
The multiple passes (or multiple track heads) issue is with Two-Dimensional Magnetic Recording, which seems to be the next thing they want to do after "ordinary" SMR. The presentation goes on to admit "We really need that multi-element reader!" (page 52).
That was an interesting link, thanks.
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TDMR vs SMR Posted Apr 8, 2011 22:27 UTC (Fri) by giraffedata (subscriber, #1954) [Link] The multiple passes (or multiple track heads) issue is with Two-Dimensional Magnetic Recording [TDMR], which seems to be the next thing they want to do after "ordinary" SMR. I think the point is that SMR isn't much use without TDMR because inter-track interference otherwise prevents you from realizing most of the density improvement that SMR is capable of giving. So it's right to lump them together and say the implications of TDMR are the implications of SMR.
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