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When does Linux do SSD garbage collection?

Fresh5 days ago
Mar 15, 20263834 views
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Problem

I'm trying to get an understanding of when my computer does garbage collection and frees up previously used blocks on the SSD. Is this a task handled by the OS or the SSD controller? Does this happen when I delete a file (permanently from trash), or does it wait until I try to overwrite that block?…

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Fix for: When does Linux do SSD garbage collection?

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There is a new article from Anand with more info about SSD magic :) I'd advise you to read it too. TRIM is explained in more detail there. In general, it says that trim is good, but: ...Unfortunately, no drives properly support TRIM yet... That supp…

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