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by nix23
1500 days ago
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>it is very possible to make such a thing only happen in exceeding unlikely cases. One runaway dd isn't that... It's not dd, it's one process run by root who fills the filesystem with one big file. That's like the first thing i would test if it can destroy my filesystem. It's really the filesystem responsibility, if it needs to reserve 30% so be it, if it need's more because i wrote billions of files so be it, (even if it says "sorry i told you i have 50GB free but because you wrote so many small files it's now just 45GB" after all they just can make a estimation) so be it. But it's the filesystem job to tell me how much ~free space that i have, and stop writing before it really/internally cant take anymore. And NOT to kill itself because i alloc 100% of it, there's is just no excuse. That's the filesystem's responsibility. PS: The clever ZFS survives that "unlikely" test easily. |
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