This week at LWN: 4K-sector drives and Linux
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Almost exactly one year ago, LWN examined the problem of 4K-sector drives and the reasons for their existence. In short, going to 4KB physical sectors allows drive manufacturers to increase storage density, always welcome in that competitive market. Recently, there have been a number of reports that Linux is not ready to work with these drives; kernel developer Tejun Heo even posted an extensive, worth-reading summary stating that "4 KiB logical sector support is broken in both the kernel and partitioners." As the subsequent discussion revealed, though, the truth of the matter is that we're not quite that badly prepared.
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