onlineresize2fs

While online resize2fs is a very cool and convenient feature, to extend fs sizes without umounting them at all, it is very RAM heavy.(Not surprising). So if you have a system with 80-90% RAM load, bad idea to run online resize2fs, it’s painfully slow. Also if you are running on a local desktop with 2 GB RAM don’t even bother trying. running it(from 30G to 59G) in maintenance mode takes 2 seconds while running it mounted freezes up the system. Also i was running it on the /home filesystems one fs guaranteed to be having IO most of the time. Lesson learned, just because there is a very cool toy, doesn’t mean you should use it everytime/for every problem.

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