On Thursday 05 March 2009 22:22:09 Daniel Thiele wrote: > Looking at the numbers in the Hitachi drive specifications Tobias an I > dug out from the Hitachi website (see replies in the Joerg Sonnenberger > branch of this thread) the normal Load/Unload count is about 30 times > higher than the Emergency Unload count. So even if an > ATA_STANDBY_IMMEDIATE command may introduce additional Load/Unload > stress on reboot it is not as bad as the stress causes by an Emergency > Unload on shutdown. Of course this only applies if the "click" sound is > really caused by an Emergency Unload. Is there a way to figure out? > Maybe the S.M.A.R.T. feature records the two kinds of power-offs.
Emergency Unload is called Power-Off_Retract_Count in SMART output. _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
