Ubuntu
acpi-support package

  1. Bug #59695
  2. Comment #236

Comment 236 for bug 59695

Revision history for this message
ubuntu_demon (ubuntu-demon) wrote : Re: [Bug 59695] Re: High frequency of load/unload cycles on some hard disks may shorten lifetime

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ubuntu_demon wrote:
> Certain desktop drives are also affected. Western Digital is using rapid
> parking as a selling point of it's green drives. They give three years
> of warranty but apparently they haven't tested these drives with a Linux
> desktop.
>
> Western Digital's power saving desktop drives (WD Caviar GP) such as WD10EACS can handle 300.000 Load_Cycles
> http://westerndigital.com/en/library/sata/2879-701229.pdf
>
> Western Digital's power saving enterprise drives (WD RE2-GP) such as WD1000FYPS can handle 600.00 Load_Cycles
> http://westerndigital.com/en/library/sata/2879-701236.pdf
>
> chrischan has a WD10EACS and reported a load cycle count is 5678 after 86 hours. This means he is seeing 66 Load_Cycles per hour and his drive will reach it's specification (300.000) after 4544 hours of usage which is after 379 days
> http://ubuntuforums.org/showpost.php?p=3719777&postcount=368
>

WD gives three years of warranty on the power saving desktop drives and
five years of warranty on the power saving enterprise drives.
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