Indeed, hdparm does not need to open the file RW. I have only tested RO hdparm with -t, -T, -y, -Y, -i, -I, and -C, and not very thoroughly.
** Attachment added: "open_ro.patch" http://launchpadlibrarian.net/29027667/open_ro.patch -- 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