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Smart information

O

ob1

2[H]4U
Joined
Apr 17, 2000
Messages
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Does anyone have a quick handy site or explanation for what the smart data values are in WD green drives? A coworker has a drive that is acting funny, and he gave me the following screen shot. I explained to him that if one of my drives "acts funny", I buy a new one and toss out the old one. Well he wants to be sure, and I don't know the details on smart data, except that reallocated sectors and E3 errors are bad. He is questioning the labeling. So is there 200 reallocated sectors or 140? I told him it doesn't matter, more than 0 is bad imo, but again, he was hoping for a second opinion....
holter.jpg
 
There should be a "raw data" column. Usually to the far right of most SMART monitoring software. In case of sectors, it's something ranging from 0 to like a few hundred, usually with a bunch of zeros in front.

Look at the temperature for example - it should show room temperature or above in deg. C. Instead, it shows "how bad is it". Sorry if that's a shit explanation.

The 200 and 140 numbers you see in your screenshot, under label no. 5, is sort of a 'score'. Indeed, most SMART counters start off at either 200 or 100. Then, as your reallocated sectors count increments, the 'score' goes down.

It's currently at 200, worst measurement recorded was also 200 - so there were actually no reallocated sectors.
Threshold is the value that'd trigger a warning, say, during bootup during POST.

I recommend trying crystaldiskinfo instead to read those values.
 
OK, yeah, he downloaded and ran crystaldiskinfo, and upon initial look, it was showing the drive as yellow/caution. He then ran something to put all zero's, (not familiar myself), and after that the drive shows green now. The bottom line is that, in my opinion, the drive should just be considered a loss or a toy to play with and not used for anything important....

Thank you for the help though, and I am hoping to get him on the correct thought path soon....
 
ob1 said:
OK, yeah, he downloaded and ran crystaldiskinfo, and upon initial look, it was showing the drive as yellow/caution. He then ran something to put all zero's, (not familiar myself), and after that the drive shows green now. The bottom line is that, in my opinion, the drive should just be considered a loss or a toy to play with and not used for anything important....

Thank you for the help though, and I am hoping to get him on the correct thought path soon....
Click to expand...

The drive may have encountered a 'soft' media error (like a power loss during writing) and marked a sector as 'pending'. WD's own diagnostic tools can also scan a drive like that and 'repair' these conditions. If they are unable to do so and the sector appears unreliable, the tool informs the user of this.

Zeroing the drive forces it to take another look at a given area and often, in the case with WD drives, clears the 'pending' flag and the SMART readings go back to normal.
 
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