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On Sun, 25 Nov 2012, Jason Normand wrote: > You should be able to setup smartmontools to run as a crown job to check > the drive and send an email if it finds issues. I'm sure there is a free > version available for osx. I'm not sure what other options are available > for osx. However as has been stated smart is far from fool proof. But its > better than nothing and its grounds for a warranty replacement. > On Nov 24, 2012 10:05 PM, "Doug" <sweetser at alum.mit.edu> wrote: See the now famous Google study of a zillion drives: http://www.engadget.com/2007/02/18/massive-google-hard-drive-survey-turns-up-very-interesting-thing/ http://static.usenix.org/event/fast07/tech/full_papers/pinheiro/pinheiro_html/ Looks like 56% of failures had "no count in any of the four strong SMART signals" , but it isn't clear from the article what percent of failures were presaged by excess counts. Certainly it must be less than 56%, but we aren't told how much less. The implication is "much less". dan feenberg > >> Just lost a 500 GB 2.5 inch SATA drive made in Thailand from my Mac >> Mini server. A half hour to boot was the signal. While I could have >> set up RAID, all the data I care about is in a Dropbox folder, and I >> have Time Machine to get at any apps. My data is on three computers I >> control, the drop box server, and Time Machine. I spent $260 for a >> $100 hard drive because I used Computer Loft to deal with my fear of >> mac hardware (so many wires in such a small place). >> >> The main costs were time and money to reset the box. I have been able >> to update some things, so the machine is a little more streamlined >> now. >> >> Thinking about the future, does anyone regularly monitor their hard >> disk SMART (Self-Monitoring, Analysis, and Reporting Technology) >> information? I found a $40 utility that would do this work for me, >> including running both short and long tests. If it is wise, I might >> do this once a month. >> http://www.volitans-software.com/smart_utility.php >> >> The long tests can last 3 hours. One thing I noticed was the >> replacement for the dead disk is running about 14 degrees F warmer >> than the other disk (right now 48C versus 41C. What temp is BAD? >> Does anyone continuously check on that?). That may be a lead reason >> for it dying first. The replacement might die before the cool one. >> Now that the test is done, the hot disk is down to 38C. >> >> Are there scripts anyone uses that go through the same data and/or run >> the short and long tests? >> >> ...and a few moments of googling to >> http://en.wikipedia.org/wiki/Comparison_of_S.M.A.R.T._tools says... >> >> GSmartControl >> smartmontool >> >> Now my more targeted question: does any use these two programs and >> would like to share their opinions? >> >> Just trying to be a sometime responsible home system admin, >> Doug >> _______________________________________________ >> Discuss mailing list >> Discuss at blu.org >> http://lists.blu.org/mailman/listinfo/discuss >> > _______________________________________________ > Discuss mailing list > Discuss at blu.org > http://lists.blu.org/mailman/listinfo/discuss >
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