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Information as to why NOT to open a hard drive to repair it. - Page 4

post #31 of 65
Quote:
Originally Posted by Lord Xeb View Post

The EARS drives have had a lot issues. 
Uh oh. I have a WD20EARS drive in my server right now. It's been fine for quite a while of 24/7 usage, though. Is there anything I should watch out for? You can see the rig in question in my rigs, it's called "Home Server".
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post #32 of 65
Quote:
Originally Posted by racecar56 View Post

Uh oh. I have a WD20EARS drive in my server right now. It's been fine for quite a while of 24/7 usage, though. Is there anything I should watch out for?

From the way I take it, if you keep them loaded, you probably don't have a lot to worry about. But- they park the heads so often that they wear themselves out, rather quickly. (From previous reading about WD Green drives, feel free to correct).
    
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post #33 of 65
Quote:
Originally Posted by mezmenir View Post

From the way I take it, if you keep them loaded, you probably don't have a lot to worry about. But- they park the heads so often that they wear themselves out, rather quickly. (From previous reading about WD Green drives, feel free to correct).
Alright, I think I heard about that. They should be idling most of the week, sometimes getting a short-term load (backups). I run Ubuntu Server on it.
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post #34 of 65
Quote:
Originally Posted by racecar56 View Post

Alright, I think I heard about that. They should be idling most of the week, sometimes getting a short-term load (backups). I run Ubuntu Server on it.

I also remember seeing something regarding Linux over this. The occasional updates to the filesystem will cause the drive to wake up and sleep, like every 8 seconds or something like that. Give me a moment, going to try to find this, I do remember this- though I'm not sure which WD Green drives that it affected in entirety.
    
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post #35 of 65
Quote:
Originally Posted by mezmenir View Post

I also remember seeing something regarding Linux over this. The occasional updates to the filesystem will cause the drive to wake up and sleep, like every 8 seconds or something like that. Give me a moment, going to try to find this, I do remember this- though I'm not sure which WD Green drives that it affected in entirety.
It'd be nice if the system just left the drive alone when I'm not using it, because I only need them every once in a while. I'd like to find a way to do that.
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post #36 of 65
Update from a post on TR Forums:
Quote:
My load cycle count for this drive is over a million (!). Apparently the Green series parks its heads after 8 seconds of idleness, and for a computer that's on 24/7, it adds up. The word on the street is that the load cycle design limit is 300k, which is mildly concerning. I skimmed a bunch of threads and I couldn't find a clear correlation between LCC and failure, but it's still worrisome. The takeaway is that there's a "wdidle" utility for setting the idle time.

I'm keeping my fingers crossed for now. As soon as I get a chance, though, I think I'll swap it out and relegate it to backup duty.
Quote:
I was aware that this was an issue for Linux, because Linux tends to "touch" mounted filesystems at intervals slightly longer than the default park timeout on the WD Green drives.

This was with an AACS drive, not an EARS.
    
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post #37 of 65
Quote:
Originally Posted by mezmenir View Post

Update from a post on TR Forums:
This was with an AACS drive, not an EARS.
Ah, okay. Thank you for your information!
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post #38 of 65
As far as I can tell, I like my AALX (FAEX as well) drives, they just never park tongue.gif

Edit: The Seagate ST1000DM003 drives do park, and you can tell every time they do it. Though a firmware update a couple months ago made it less aggressive.
Edited by mezmenir - 10/5/12 at 6:32pm
    
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post #39 of 65
Quote:
Originally Posted by mezmenir View Post

As far as I can tell, I like my AALX (FAEX as well) drives, they just never park tongue.gif
My ~14-year-old 4GB WD Caviar 34000 probably doesn't either. biggrin.gif
Even my laptop I'm typing this on (HP Pavilion dv6) has more RAM than that has capacity! Hey, look on the bright side, it's way more than enough space to run Windows.

Windows 95, that is. xD
Edited by racecar56 - 10/5/12 at 6:36pm
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Western Digital WD1600BEVS Something that annoys me. Original fan and heatsinks, even after all thes... Windows 8.1 32-bit 
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HP 90W Adapter Conexant HD Audio 
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post #40 of 65
Quote:
Originally Posted by racecar56 View Post

My ~14-year-old 4GB WD Caviar 34000 probably doesn't either. biggrin.gif
Even my laptop I'm typing this on (HP Pavilion dv6) has more RAM than that has capacity! Hey, look on the bright side, it's way more than enough space to run Windows.
Windows 95, that is. xD

If you're really creative you can probably fit a stripped Windows 7 32 on it wink.gif. Man Windows 7 is SMALL with some tweaking.

Stripped Windows 7 64, with a few creative junction points for SWD and Installer is just about 5GB biggrin.gif
    
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