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Windows 7: Help interpreting SMART values

21 Jun 2011   #1
daisensou

Windows 7 Ultimate x64
 
 
Help interpreting SMART values

So I just lost 2 Western Digital 1TB HDDs (WD10EARS and WD10EADS) due to unknown causes. One went dead dead, the other one just nuked my Win7 partition and started arbitrary denying access to the other, data partition. Weird as hell since SMART never indicated anything wrong, they simply suddenly went kaput.

Now I got this Seagate drive and the SMART shows everything as "Green\OK", but it shows some really high numbers for RAW values (all other attributes are at 0 and 1 for High Fly Rates).

What's the meaning of those RAW values? Thanks in advance.

Code:
Model: ST31500341AS
Firmware: CC1H
LBA: 2930277168

Report By: HDDScan for Windows version 3.3
Report Date: 21/06/2011 09:43:20

 001 Attribute Name: Raw Read Error Rate  Value:117 Worst:100 Raw(hex):00000008BF-7257 Threshold:006 

 007 Attribute Name: Seek Error Rate      Value:061 Worst:060 Raw(hex):0000000016-2D2D Threshold:030 

 240 Attribute Name: Heads Flying Hours   Value:100 Worst:253 Raw(hex):0088220000-001B Threshold:000 

 241 Attribute Name: Total Host Writes    Value:100 Worst:253 Raw(hex):0000009E9A-B7D9 Threshold:000 

 242 Attribute Name: Total Host Reads     Value:100 Worst:253 Raw(hex):0000007DD5-A27C Threshold:000



My System SpecsSystem Spec
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21 Jun 2011   #2
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Are you referring to the hex data?
Hexadecimal - Wikipedia, the free encyclopedia
It's basically just a basic computer code.
The link should explain it a bit.
My System SpecsSystem Spec
21 Jun 2011   #3
daisensou

Windows 7 Ultimate x64
 
 

I know what Hexadecimal values are, question is, why the discrepancy in the report?
At first I thought they were addresses and not values, but that doesn't explain why every other item is at 0 or at an explainable low value.

For example, "Power-ON Hours Count" presents a RAW value of "1E" (as in, 0000000000-001E) which is about 30 hours of use, it's about right because I got the HDD on Saturday (18) and basically only used it to install\update\configure Windows7.

I'm sorry if I sound a little paranoid, I'm really not in the mood to lose another HDD in such a short period :P
My System SpecsSystem Spec
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21 Jun 2011   #4
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Unless the drive is a seagate 7200.11 model, I wouldn't be terribly concerned.
My System SpecsSystem Spec
21 Jun 2011   #5
daisensou

Windows 7 Ultimate x64
 
 

Good God, why the hell did you say that!? Hahaha.

Indeed it is, a Seagate 1.5TB 7200.11, ST31500341AS
My System SpecsSystem Spec
21 Jun 2011   #6
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

the 7200.11's had problems early on, I think it's mostly been fixed now.
Seagate fixes 7200.11 drives--except when it doesn't | Crave - CNET
^^old news article on them.
My System SpecsSystem Spec
21 Jun 2011   #7
Dwarf

Windows 8.1 Pro RTM x64
 
 

My System SpecsSystem Spec
21 Jun 2011   #8
daisensou

Windows 7 Ultimate x64
 
 

@Dwarf

Wikipedia says:
Quote:
Lower raw value is better
Excuse me gentlemen, I think it's better for me to start pulling an extra image of the Win7 partition, just in case...
My System SpecsSystem Spec
22 Jun 2011   #9
daisensou

Windows 7 Ultimate x64
 
 

Ok, last update on the matter.

Seems like it's normal for Seagate drives to present those high numbers and they do not correspond to the actual health of the drive (although HDDLife is accusing a health of 47% due to those high values).
So confusing ;_;
My System SpecsSystem Spec
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 Help interpreting SMART values




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