by moonman » Fri Aug 21, 2015 6:06 pm
I had 2 seagates die in this enclosure. Don't know if it was because they overheated or just bad drives, but I went for WD Green because it is a lower rpm drive and doesn't get as hot. Still going strong after 2 years being on and used 24/7.
You can disable head parking with hdparm:
$this->bbcode_second_pass_code('', '-J Get/set the Western Digital (WD) Green Drive's "idle3" timeout
value. This timeout controls how often the drive parks its
heads and enters a low power consumption state. The factory
default is eight (8) seconds, which is a very poor choice for
use with Linux. Leaving it at the default will result in
hundreds of thousands of head load/unload cycles in a very
short period of time. The drive mechanism is only rated for
300,000 to 1,000,000 cycles, so leaving it at the default
could result in premature failure, not to mention the
performance impact of the drive often having to wake-up before
doing routine I/O.
WD supply a WDIDLE3.EXE DOS utility for tweaking this setting,
and you should use that program instead of hdparm if at all
possible. The reverse-engineered implementation in hdparm is
not as complete as the original official program, even though
it does seem to work on at a least a few drives. A full power
cycle is required for any change in setting to take effect,
regardless of which program is used to tweak things.
A setting of 30 seconds is recommended for Linux use.
Permitted values are from 8 to 12 seconds, and from 30 to 300
seconds in 30-second increments. Specify a value of zero (0)
to disable the WD idle3 timer completely (NOT RECOMMENDED!).')
$this->bbcode_second_pass_code('', 'hdparm -J /dev/sda
/dev/sda:
wdidle3 = disabled
')
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