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What does it mean to "align" partitions?

Fresh5 days ago
Mar 15, 202614778 views
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Problem

I am familiar with what partitions are, but I saw a question about aligned partitions on Ask Ubuntu, and realised I didn't know what "aligned partitions" are. So what does it mean to "align" partitions? What are the benefits, and the downsides?

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Fix for: What does it mean to "align" partitions?

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Aligning the partition means to align it to match the true, underlying block structure. For a long time now hard disks have used 512 byte blocks. Because this has gone on for a long time it is now almost impossible to change the block size. Too much…

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