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What does SMART ATA error mean exactly?
Hi,
so NAS started sending me mails about one of my HDs failing, at every start. It's a Seagate Barracuda 7200.14 (I got two identical in mirror mode) which is also in compatibility list (http://kb.netgear.com/app/answers/detail/a_id/20641) for my ReadyNas duo V2. The HD is roughly 8 moths old, it is online mostly few hours per day and usually doesn't even spin for
more than an hour per day or even less, it's spin down timer is set to 15 mins. So IMHO it should work for many years, considering the use of HD in a PC is much more aggressive.
So what do exactly the following mean:
And why does my HD have so many flying head hours?
My log looks like this:
Also from time to time I hear some clicking noises from NAS, like the HD head is being quickly parked and then unparked again, but not sure if that has anything to do with it.
Whole SMART data from my NAS:
Any info would be helpfull!
Regards, Daniel
so NAS started sending me mails about one of my HDs failing, at every start. It's a Seagate Barracuda 7200.14 (I got two identical in mirror mode) which is also in compatibility list (http://kb.netgear.com/app/answers/detail/a_id/20641) for my ReadyNas duo V2. The HD is roughly 8 moths old, it is online mostly few hours per day and usually doesn't even spin for
more than an hour per day or even less, it's spin down timer is set to 15 mins. So IMHO it should work for many years, considering the use of HD in a PC is much more aggressive.
So what do exactly the following mean:
- Current Pending Sector
- Offline Uncorrectable
- ATA Error
And why does my HD have so many flying head hours?
- Head Flying Hours: 99291053949400
My log looks like this:
Mon Aug 5 17:03:32 CEST 2013 Detected increasing ATA errors on disk 2[ST2000DM001-9YN164, Z1E1CJ4H] 6959 times in the past 30 days. This often indicates an impending failure. Please be prepared to replace this disk to maintain data redundancy.
Mon Aug 5 17:03:27 CEST 2013 System is up.
Mon Aug 5 17:03:07 CEST 2013 ATA error count has increased in the last day.
Disk 2:
Previous count: 6382
Current count: 6946
Also from time to time I hear some clicking noises from NAS, like the HD head is being quickly parked and then unparked again, but not sure if that has anything to do with it.
Whole SMART data from my NAS:
SMART Information for Disk 2
Model: ST2000DM001-9YN164 1863 GB
Firmware Version: CC4B
SMART Attribute
Spin Up Time: 0
Start Stop Count: 665
Reallocated Sector Count: 0
Power On Hours: 1747
Spin Retry Count: 0
Power Cycle Count: 177
Runtime Bad Block: 0
End-to-End Error: 0
Reported Uncorrect: 193
Command Timeout: 4295032833
High Fly Writes: 0
Airflow Temperature Cel: 37
G-Sense Error Rate: 0
Power-Off Retract Count: 173
Load Cycle Count: 3266
Temperature Celsius: 37
Current Pending Sector: 6
Offline Uncorrectable: 6
UDMA CRC Error Count: 0
Head Flying Hours: 99291053949400
Total LBAs Written: 28198796910951
Total LBAs Read: 2343761829418
ATA Error Count: 7172 (device log contains only the most recent five errors)
Any info would be helpfull!
Regards, Daniel
14 Replies
Replies have been turned off for this discussion
- Yea I could, but I'm concerned it will just stop working one day because of it's defective controller. And if that happens, not even 99% good sectors will do me any good xD
I was thinking, if there are problems with the controller on the HD, then windows should see the problem too, so I've pugged in the drive into my PC and checked the windows event logs.
So I've made a screenshot of the logs and Seatools results together.
BTW what's the fastest way to wipe a HD?
Regards - Well, the error you are highlighting tends to confirm your case that the drive is bad, and not the ReadyNAS. I can't see the SMART stats in your screen shot - I don't believe seatools shows them.
There are several tools that do - including acronis drive monitor, which is freeware.
If you want to delete all the data, then the write-zeros advanced test in seatools is a good way. Choose advanced tests from the basic test window, then hit f8 to enable them.
Then the advanced tests menu will show up, with "full erase" being one of the tests. That will zero every sector of the drive (which is what I suggested above anyway). I have found that if the drive is marginal, the "full erase" often fails (making seagate happy on the warranty stuff).
If seatools still passes, you can use test code 659DC7AE in the RMA - see http://www.seagate.com/staticfiles/supp ... codes.html I have returned drives using that code w/o problems. - I guess I don't have to worry much about convincing. As you said... full erase fails.
I'm trying to erase data by removing all partitions from the HD with windows and doing a long format with a single NTFS partition.
Hope this will be completed with whatever result.
- Grab the seatools error code, as it will make your RMA simpler.
Even if the format doesn't completely work, it is likely to destroy enough of the partition structure that getting even part of your data would require a forensic recovery. Seagate will destroy the disk properly once they receive it anyway, they certainly cannot recertify it.
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