💻 Software
What is TRIM exactly?
Fresh5 days ago
Mar 15, 20264177 viewsConfidence Score0%
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Problem
From the Wikipedia page of TRIM I get the impression that TRIM was introduced to lower the writes to a SSD, but letter the file system taking case of which blocks are unused. If that is correct, does that mean, that SSD's that don't use TRIM writes zeros to the blocks, when a file is deleted, to le…
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Fix for: What is TRIM exactly?
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Flash memory devices (what's used for today's SSDs) can't write arbitrary data at any moment; before writing on a cell (typically 4KB) has to be erased first. Unfortunately, the erase operation is very slow; that's why flash devices were so much slo…
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