This is not a duplicate, but is a known bug caused by hdparm opening the block device for writing; it is not clear that it needs to do so.
** This bug is no longer a duplicate of bug 359513 hard disk will not spin down by hdparm or sdparm ** Changed in: udev (Ubuntu) Importance: Undecided => Medium ** Changed in: udev (Ubuntu) Status: New => Triaged ** Also affects: hdparm (Ubuntu) Importance: Undecided Status: New -- udev 60-persistent-storage.rules vol_id cancels hdd spin-down https://bugs.launchpad.net/bugs/388506 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