On Wed, 2011-06-22 at 21:19 +0900, Misha Shnurapet wrote: > http://en.wikipedia.org/wiki/S.M.A.R.T.#Known_ATA_S.M.A.R.T._attributes > The typical lifetime rating for laptop (2.5-in) hard drives is 300,000 > to 600,000 load cycles. Some laptop drives are programmed to unload > the heads whenever there has not been any activity for about five > seconds. Many Linux installations write to the file system a few times > a minute in the background. As a result, there may be 100 or more load > cycles per hour, and the load cycle rating may be exceeded in less > than a year. > > The WD Caviar Green drives enable the Intelli-Park function that parks > the head after 8 seconds being idle. I had to put "/sbin/hdparm -B255 /dev/sda" into my rc.local to stop horrendously excessive drive parking on my laptop. The count was going up extremely fast within the first few days of owning the laptop. And the delays of waiting for the drive to settle was noticeably slowing down my use of the computer. -- [tim@localhost ~]$ uname -r 2.6.27.25-78.2.56.fc9.i686 Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
