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by 10987654321
1262 days ago
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> writing to specific block locations would then be wiping unrelated inodes depending on the low level logic It won't wipe unrelated files as far as the file system sees it, but it might overwrite some previously discarded internal blocks. "inodes" is a too high-level concept in this context. You can read more about it on wikipedia which might be an authorative enough source for you? https://en.wikipedia.org/wiki/Wear_leveling Also note that most ssds actually have more internal blocks available than what they present to the host device so that they can have a "cache" to be able to move things around internally, and also so they can mark certain positions as "bad" when writes to one internal block start failing and still operate properly. |
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