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seen Dec 8 '12 at 5:32

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comment ext4 jbd2 journaling active even on empty filesystem
Wow, I never thought of that (and somehow I missed it after reading the same thread). I will try to confirm regarding uninit_bg, but if you or someone else is sure, I can mark it answered.
Apr
8
comment ext4 jbd2 journaling active even on empty filesystem
I have tried noatime. It didn't seem to do anything.
Apr
8
comment ext4 jbd2 journaling active even on empty filesystem
@jippie I started iotop after formatting the disk(s). The disk in the minimal example is empty. On the similarly formatted disks, the jbd2 activity occurs even if no files are written (checked with find on my whole filesystem).
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revised ext4 jbd2 journaling active even on empty filesystem
edited body; edited title
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