"Daniel Phillips" <[EMAIL PROTECTED]> wrote on 01/16/2008 06:02:50 PM:
> On Jan 16, 2008 2:06 PM, Bryan Henderson <[EMAIL PROTECTED]> wrote: > > >The "disk motor as a generator" tale may not be purely folklore. When > > >an IDE drive is not in writeback mode, something special needs to done > > >to ensure the last write to media is not a scribble. > > > > No it doesn't. The last write _is_ a scribble. > > Have you observed that in the wild? A former engineer of a disk drive > company suggests to me that the capacitors on the board provide enough > power to complete the last sector, even to park the head. No, I haven't. It's hearsay, and from about 3 years ago. As for parking the head, that's hard to believe, since it's so easy and more reliable to use a spring and an electromagnet. -- Bryan Henderson IBM Almaden Research Center San Jose CA Filesystems -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/