On Mon, Jan 10, 2011 at 12:01 PM, MJang <[email protected]> wrote: > On Thu, 2011-01-06 at 08:58 +0100, Jan-Frode Myklebust wrote: >> On Wed, Jan 05, 2011 at 08:51:17AM -0800, MJang wrote: >> > >> > Just noticed that since I installed RHEL 6 back in Nov, my laptop hard >> > disk (from a new T410) has gone through about 200,000 cycles, as >> > confirmed by the smartctl -a /dev/sda command. (If I remember right, >> > hard drives expire at around 600,000 cycles.) >> >> Just for datapoint.. my T400, installed with RHEL6 october 31. (was >> running fedora-13 before that, and RHEL5 before that), has only gone >> trough 290 power cycles: >> >> 9 Power_On_Hours 0x0032 097 097 000 Old_age Always >> - 12661 >> >> 12 Power_Cycle_Count 0x0032 099 099 000 Old_age Always >> - 290 >> >> I have disabled the "spin down hard disk" option in the power >> management preferences (it's an SSD, so there's nothing spinning >> anyway). > > Appreciate the datapoint. FWIW, I've reported this as a bug at > https://bugzilla.redhat.com/show_bug.cgi?id=667485 > > I gather opinions vary on whether one of the following commands is the > better way to prevent the premature aging problem: > > hdparm -B 254 /dev/sda > hdparm -B 200 /dev/sda > > I've since had to replace the hard drive, as it was spouting out lots of > read error messages -- the damage was focused on the top-level root > directory partition where RHEL 6 was installed. (the other partitions on > my drive were fine)
Does the new drive show high cycles also? _______________________________________________ rhelv6-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv6-list
