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A comment on Apple dropped plan for encrypting backups after FBI complained. Parent comment

Re:Apple dropped plan for encrypting backups after FBI compl... by novok on Tuesday January 21, 2020 @01:28PM (#22109828)
You would probably need the kernel / filesystem to keep track of it to keep it efficient. And even then that is iffy if you implement it as a kernel extension vs. something integrated into filesystem code.

I've found arq backup overall slow once you start hitting 0.5TB overall. It's a design issue.

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Re:Apple dropped plan for encrypting backups after FBI compl... by kalleboo on Tuesday January 21, 2020 @10:40PM (#22114377)
> You would probably need the kernel / filesystem to keep track of it to keep it efficient

I believe most operating systems have a mechanism for this. E.g. on macOS it's called fsevents, Linux has inotify

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Re:Apple dropped plan for encrypting backups after FBI compl... by 72deluxe on Wednesday January 22, 2020 @06:17AM (#22116506)
Yes, these utilities would probably need something in them such that fswatch implements (https://emcrisostomo.github.io/fswatch/) - very useful.
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