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Forum Discussion
dsnpevl
Jul 05, 2016Virtuoso
Detected increasing uncorrectable error count
I've been running WDC WD4000FYYZ-01ULB0 4TB disks in a RN516 for about three years now. Not so long ago I had the message "Detected high uncorrectable error count" on one of the disks. Hot swap and ...
- Jul 06, 2016
When the count starts to rise, I replace the disk. I feel uncomfortable when the counts reach 50, so I replace before then. I agree that you should have a backup too, and it is always wise to make sure your backup is up to date before manipulating hard drives, Don't do scrubs (scheduled or otherwise) with the failing drive in place.
You can (should) get an RMA from western digital - but it will not be a new drive. It will be a recertified drive, and it might not be the same model. They shouldn't downgrade you though - you should get at least a 4 TB enterprise class drive in exchange.
But I'd replace it now, using the drive you have on hand (assuming it is new and either a NAS drive or an enterprise drive). Either keep the RMA'd replacement for a spare in the future, or use it in some other system.
cpu8088
Jul 06, 2016Virtuoso
you should have some form of backup like having a slow nas and cheaper hard drives
80+ uncorrectable errors is just a start. i would worry if data is critical.
for those enterprise grade wd re drives the warranty is 5 years. perhaps you take it up with wd
StephenB
Jul 06, 2016Guru - Experienced User
When the count starts to rise, I replace the disk. I feel uncomfortable when the counts reach 50, so I replace before then. I agree that you should have a backup too, and it is always wise to make sure your backup is up to date before manipulating hard drives, Don't do scrubs (scheduled or otherwise) with the failing drive in place.
You can (should) get an RMA from western digital - but it will not be a new drive. It will be a recertified drive, and it might not be the same model. They shouldn't downgrade you though - you should get at least a 4 TB enterprise class drive in exchange.
But I'd replace it now, using the drive you have on hand (assuming it is new and either a NAS drive or an enterprise drive). Either keep the RMA'd replacement for a spare in the future, or use it in some other system.
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