On 08/13/2015 10:20 PM, Ralf Mardorf wrote:
Write frequency :
       4 systemd-journal
      10 kworker/u8:2
      45 kworker/u8:1
      60 kworker/u8:0
     128 jbd2/sdb11-8

If jbd2 is writing 12.8 times per min how can your disk spin down after 30 min?

Even if you increase jdb2 sync like I did, kworker will continue writing every few seconds, so how can the drive spin-down?

I must me missing something.

--
João M. S. Silva

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