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Old 12-11-2010, 02:33 AM   #1
Amdx2_x64
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Disk Utility (First it is many bad sectors, now a few.) In XP SMART fails, Short and long DST pass


Using Debian Squeeze 64bit.

One of my hard drives had shown man bad sectors. The rest where green and showed a few bad sectors.

Well the hard drive that had shown many bad sectors is now showing a few bad sectors and is green.

Is Disk Utility just not that good yet? Or did my hard drive some how fix itself?

I was going to stop using this hard drive but I think I am going to just ignore Disk Utility for now. I know in the past it has had false positives. But I really thought it was fixed by now.

Also, if a drive is encrypted, like with truecrypt, will that mess up Disk Utilities readings at all?

Last edited by Amdx2_x64; 12-11-2010 at 07:48 PM.
 
Old 12-11-2010, 06:07 AM   #2
stress_junkie
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I just checked my disk status using Gnome disk utility. It looks like it has some component listening for SMART disk errors. This allows it to give you a report immediately.

Bad blocks on a disk are not unusual as long as there aren't too many of them. When the disk detects a bad block during a read it is supposed to automatically remap the data onto a new block. This may have happened a large number of times for your disk. It is possible that the disk is okay and that you simply observed a statistical anomaly.

This is a good time to mention the value of backups. If your partitions are backed up to a different device then you can afford to wait and see if the disk develops problems.
 
Old 12-11-2010, 06:59 AM   #3
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Quote:
Originally Posted by stress_junkie View Post
I just checked my disk status using Gnome disk utility. It looks like it has some component listening for SMART disk errors. This allows it to give you a report immediately.

Bad blocks on a disk are not unusual as long as there aren't too many of them. When the disk detects a bad block during a read it is supposed to automatically remap the data onto a new block. This may have happened a large number of times for your disk. It is possible that the disk is okay and that you simply observed a statistical anomaly.

This is a good time to mention the value of backups. If your partitions are backed up to a different device then you can afford to wait and see if the disk develops problems.
Well I installed Arch on the "bad drive" now it is telling me the drive is failing. But all appears to be ok. I have it encrypted so I am not sure if has anything to do with it or not.

Yes. I learned some years ago to back up and back up often. What I had to go through to learn that still gives me chills and nightmares, lol.

I will just wait and see. I do have XP installed so maybe I will double check with the manufacturers software to see what it says.

Thanks.
 
Old 12-11-2010, 07:13 AM   #4
stress_junkie
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Your disk drive manufacturer may have downloadable test software. Seagate, Western Digital, and Hitachi are among manufacturers that offer free disk drive test software.

The Hitachi disk drive fitness test will work on other brands of disk drives. Here is a link to it.
http://www.hitachigst.com/support/downloads/
 
Old 12-11-2010, 08:41 AM   #5
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After going to Scroogle and quickly realizing that I didn't have a Stargate in my computer, I finally made it to the Seagate website.

Quote:
Identify - Started 12/11/2010 9:29:31 AM
SMART: Supported and enabled
48-bit Address feature set supported: True
Max LBA: 625142448
Host Protected Area features: Supported and enabled
Mandatory Power Management: Supported and enabled
Security Mode: Supported not enabled
SET MAX security extension: Supported not enabled
Advanced Power Managment: Not Supported
Download Firmware: False
SMART self-test supported: True
SMART error logging supported: True
Drive Temperature(C/F): 41/106
Power-On Hours: 16582

SMART - FAIL 12/11/2010 9:16:03 AM


Short DST - Started 12/11/2010 9:26:30 AM
Short DST - Pass 12/11/2010 9:28:47 AM


Short Generic - Started 12/11/2010 9:30:34 AM
Short Generic - Pass 12/11/2010 9:32:03 AM
Now the only thing that failed was the S.M.A.R.T test. Short Generic and Short DST both passed. I was going to do a long Generic and long DST but it takes to long. I can do that later if needed.

So what are peoples thoughts on this? Is anything to worry about right now?
 
Old 12-11-2010, 10:41 AM   #6
H_TeXMeX_H
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The short SMART test are useless, IMO. Use the long test.

Bad blocks are an early sign of a failing drive, backup your data.
 
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Old 12-11-2010, 06:39 PM   #7
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I don't get this. I did one of the long tests. I will do the generic long test later tonight. So basically it is only the SMART test that fails for some reason. Everything else is fine.

Quote:
Long DST - Started 12/11/2010 2:15:18 PM

Long DST - Pass 12/11/2010 3:42:20 PM



Congratulations, your Seagate product has passed an important diagnostic test.

Please help us improve our diagnostics by answering a few quick questions at our SeaTools online survey.
 
Old 12-12-2010, 07:36 AM   #8
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If it passes both tests, also post attribute table 'smartctl -A'.
 
Old 12-12-2010, 07:46 AM   #9
stress_junkie
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I have seen failing drives pass SMART tests.

Again I would say make frequent backups and wait for the disk to fail. It could work adequately for years.
 
Old 12-12-2010, 07:56 AM   #10
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Quote:
Originally Posted by stress_junkie View Post
I have seen failing drives pass SMART tests.
Even a long test, and good attributes ? It is rare, but possible.
 
Old 12-12-2010, 01:46 PM   #11
Amdx2_x64
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Figures I would be on of those rare cases, lol.

Well I think I will just keep using it and just see. Maybe it's failing or maybe it is something else that is making it look like that (though I have no idea what that could be.) Chances are it is failing.

It seems to work fine with Arch. No data loss, no strange noises, no sparks or smoke. So I will just keep using it and always keeping data backed up.

Thanks all for the help with this really strange problem. If/when this drive goes I will post it here, even if it is in a few years. I am sure I will still be around as long as the Internet doesn't die.
 
  


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