On Fri, Mar 26, 2010 at 1:27 PM, Peter Kieser <peter@xxxxxxxxx> wrote: <SNIP> > Hello, > > The 4096-byte sector drives work fine with mdadm. The main problem you are > going to run into with the WDC Green drives is their 8 second "idle" > setting. After 8 seconds, by default, the drive parks its heads. This can > lead to an amazingly high Load Cycle Count (LLC) after just a month of > operation due to the fact that most disk access happens around that time > causing the drive to park and unpark in repeated cycles. > > To fix this, find a utility called wdidle3 (I have it, if you are unable to > locate it) and set the idle timeout on the drives to 300 seconds. These > drives do not support TLER, there is no ability to set it via firmware > anymore - WDC removed this ability sometime last year. > > -Peter This seems to be a windows program? I don't see a Linux version in Gentoo portage. I could run Windows once to set it if the settings are then maintained, or do you have a Linux solution? - Mark -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
