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Thread: Read this thread if you own a Western Digital "Green" HDD.

  1. #16
    Moderator anon's Avatar
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    I searched the non-numeric part of your serial number in DuckDuckGo. It led me to a Russian site where someone posted a SMART log of a Caviar disk with the same S/N prefix, model string included. I searched the latter, and found the drive's sale name on eBay, as well as a forum thread which confirmed your particular model is affected by this.
    "I just remembered something that happened a long time ago."
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    yoco (19.11.13)

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    Do I have to use all 3 ways or I can choose?
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    Moderator anon's Avatar
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    That depends on your disk. I have a WD3200BPVT-22JJ5T0 and had to disable Idle3 and run the APM tool under Windows.

    You might need a bootable DOS disk with USB support to run WDIDLE3. If you have a recent copy of Hiren's Boot CD, I think it already includes both of those things.
    "I just remembered something that happened a long time ago."
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    I found this on my drive Hirens.BootCD.15.1. Is this good? What do I need to do? Did your method work for you?
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    Moderator anon's Avatar
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    Quote Originally Posted by yoco View Post
    I found this on my drive Hirens.BootCD.15.1. Is this good? What do I need to do?
    Boot from the CD. Select "DOS Tools", then "Hard Disk Tools", then "WDIDLE3 1.05". Wait for it to load, then type WDIDLE3.EXE /D and press Enter. It should tell you if the timeout was disabled or something went wrong.

    Did your method work for you?
    Of course Only 340 head parkings since I started this thread. Note that I had to disable APM under Windows in addition to the method above, so if you want to be 100% sure, download the quietHDD program (link is in the first page) and follow the instructions.
    "I just remembered something that happened a long time ago."
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    yoco (20.11.13)

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    I found new version, Hiren.s.Boot.CD.15.2.Rebuild. This one is also good, right?

    How do you know you only had 340 "parkings"?
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    Moderator anon's Avatar
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    Quote Originally Posted by yoco View Post
    I found new version, Hiren.s.Boot.CD.15.2.Rebuild. This one is also good, right?
    If it includes the usual DOS tools (which I'm sure it does), then yes.

    How do you know you only had 340 "parkings"?
    Comparing the value of my drive's Load Cycle Count attribute (this is shown in any program that can display SMART attributes, like Defraggler) when I wrote the first post vs. what it is now
    "I just remembered something that happened a long time ago."
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    yoco (21.11.13)

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    I'm gonna try this as soon as I can.
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    Revisiting this thread too, to post new information.

    It seems Toshiba 2.5" disks also have this "feature". Although it is not as aggressive as Western Digital's nor does it cause lags, I don't want to think my disk is actively wearing itself out every time I use my computer.

    The 1 TB external disk I got as a present last year and the one in my new laptop are both of that same brand. Setting the APM value to 255 doesn't work on these, it resets itself back to 127. You have to set it to 254 instead. To accomplish this, use the hdparm fork mentioned in the first post for internal drives, and HDDScan 3.x for external ones.

    In the latter case, an additional measure must be taken. The USB-to-SATA adapter seems to do power management as well, so you need to write something to disk regularly to keep it active. Drop the following batch file on its root and keep it running as long as it's plugged in:

    Code:
    @echo off
    title Prevent drive %cd% from going to sleep
    color 0e
    rem echo ( Current path is %cd% )
    :init
    echo.
    echo ( Writing data to disk... )
    echo.
    echo %time%>NoSleep.dat&more<NoSleep.dat
    timeout /t 60 /nobreak
    rem Note: timeout only works on Windows Server 2003 and above
    goto init
    Somewhat ugly, but it works.
    "I just remembered something that happened a long time ago."
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    ozymandis (06.05.15)

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    Quote Originally Posted by anon View Post
    Revisiting this thread too, to post new information.

    It seems Toshiba 2.5" disks also have this "feature". Although it is not as aggressive as Western Digital's nor does it cause lags, I don't want to think my disk is actively wearing itself out every time I use my computer.

    The 1 TB external disk I got as a present last year and the one in my new laptop are both of that same brand. Setting the APM value to 255 doesn't work on these, it resets itself back to 127. You have to set it to 254 instead. To accomplish this, use the hdparm fork mentioned in the first post for internal drives, and HDDScan 3.x for external ones.

    In the latter case, an additional measure must be taken. The USB-to-SATA adapter seems to do power management as well, so you need to write something to disk regularly to keep it active. Drop the following batch file on its root and keep it running as long as it's plugged in:


    Somewhat ugly, but it works.
    Which Toshiba 2.5 hdd are affected by this anyway to find out cause I have a toshiba external HDD and after my snafu with my laptop HDD I don't want an encore
    Last edited by ozymandis; 06.05.15 at 16:44.
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    That's my model. Other ones in the Canvio line are also affected, from what I've read.

    Using any program that can display SMART data (like Defraggler) is a quick way to find out. Plug the disk in, write down what the "Load/Unload Cycle Count" attribute is, wait a minute, copy a file, immediately check the attribute again, redo this a few times. If the amount of cycles went upward every time, you have a problem.
    "I just remembered something that happened a long time ago."
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