I figure out what is spinning up the disks. If I kill devkit-disks-daemon the spinning up stops.
I'm assigning this bug to devkit-disks. ** Package changed: ubuntu => devicekit-disks (Ubuntu) -- Disk wakes up every 30 minutes and produces errors on dmesg https://bugs.launchpad.net/bugs/435190 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs