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Special Forums Hardware BackBlaze article on HDD failure rates. Post 302978776 by Corona688 on Wednesday 3rd of August 2016 05:03:01 PM
Old 08-03-2016
I've noticed that these are consumer-class drives, not server-class. I can't remember the last time WD was considered a reliable brand? Back when drives came with defect lists, perhaps. Cheap and cheerful has been WD's strategy, and while it's worked for them, it's also given them a black mark. You can get better from WD if you're willing to pay -- but who would? Given that, I'm not surprised WD bought Hitachi. They needed better drives and a better name, and HGST -- Hitachi -- has been excellent for a long time. Though they have their dark times too, remember the IBM Deathstar? (I'd almost forgotten they were responsible for that...)

That said -- drive reliability went down steadily once capacities exploded into the dozens then hundreds and thousands of gigabytes. The drive industry chopped their warranties from 3 to 1 years long ago to reflect this, they're inevitably more sensitive devices. The number of spare sectors a modern hard drive keeps -- the percentage of sectors which can die and not be considered a fault -- is disturbing.
 

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PSENSOR(1)							   User Commands							PSENSOR(1)

NAME
psensor - Temperature monitoring application SYNOPSIS
psensor [OPTION]... DESCRIPTION
psensor is a GTK application for monitoring hardware sensors, including temperatures and fan speeds. It displays a curve for each sensor, and uses Desktop Notification to raise an alarm when a temperature is too high. On Ubuntu an Applica- tion Indicator is also available, its icon changes when a temperature alert is raised. It can monitor: * the temperature of the motherboard and CPU sensors (using lm-sensors). * the temperature of the NVidia GPUs (using XNVCtrl). * the temperature and fan rotation speed of the ATI GPUs. * the temperature of the Hard Disk Drives (using hddtemp). * the rotation speed of the fans (using lm-sensors). * the sensors of a remote computer (using psensor-server). Psensor requires lm-sensors to be correctly installed and configured, it can be checked by running the command 'sensors'. If it has never be done, you may need to run the command 'sensors-detect' and follow the instruction. See the manpages of sensors(1) and sensors-detect(8) for more information. To retrieve the temperature of the Hard Disk Drives, the hddtemp daemon must be running. For remote monitoring: * start psensor-server(1) on the remote computer * run psensor with '--url' option: 'psensor --url=http://localhost:3131' ATI/AMD GPUs monitoring is available if the library libatiadlxx is present in the directory /usr/lib and psensor has been compiled with the ATI ADL SDK. Log is written to '$HOME/.psensor/log'. OPTIONS
-h, --help display this help and exit -v, --version display version information and exit -u, --url=URL the URL of the psensor-server, example: http://hostname:3131 -d, --debug=LEVEL set the debug level, integer between 0 and 3 REPORTING BUGS
Report bugs to: jeanfi@gmail.com psensor home page: <http://wpitchoune.net/psensor> COPYRIGHT
Copyright (C) 2010-2012 jeanfi@gmail.com License GPLv2: GNU GPL version 2 or later <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
psensor-server(1), sensors(1), sensors-detect(8), hddtemp(8) psensor 0.6.2.17 March 2012 PSENSOR(1)
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