On 06/21/2013 01:13 PM, Chris wrote:


WD Green drives are subject to aggressive head parking ... This is sadly a well 
known issue :/ Eventually in a RAID environment, it destroys the drives ... I 
lost myself one of these drives.
Everything is exaplained here :
http://koitsu.wordpress.com/2012/05/30/wd30ezrx-and-aggressive-head-parking/

The solution is to disable the Idle3 functionality of these drives. Official WD 
tool to do this is a DOS floppy disk (yeah ...). Fortunately some people 
released an unofficial tool which works like a charm under Slackware e.g.
http://sourceforge.net/projects/idle3-tools/

The solution is to use appropriate drives for the purpose. There are reasons some drives are specified for RAID/enterprise use. Yes they cost more, but they are also far more reliable and longer lasting than desktop drives used in the same environment.



--
W. D. Milner (a.k.a. NyteOwl)

Slackware Documentation Project - Editor
http://docs.slackware.com/
#slackdocs on irc.freenode.net
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