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NAS 104 Detected increasing uncorectable error count
I have had a NAS 104 for about 4 years and until now had no problems. Recently I began receiving email warnings about increased uncorectable error counts and that it was a sign of impending drive fai...
Hi, thanks for the reply, I have attached the SMART log.
Firmware was updated recently to 6.9.3
New disk is - Seagate Ironwolf 4tb NAS drive.
Cant seem to upload txt file so have saved as pdf. Layout seems off but might be ok for someone that knows what to look for.
If no good let me know and Ill try another way.
Thanks
The errors on both disks are somewhat different, and both point to the drive itself, and not the NAS.
The older drive (Z302D20C) was installed in Nov 2014, and had no issues until June 18th of this year - when it began generating uncorrectable read errors/pending sectors and ATA errors. When you replaced it about 2 weeks later, it had about 31 uncorrectable read errors, but 344 ATA errors. Given the rapid climb in errors, I think you were wise to replace it. Unfortunately it is out of warranty (3 years for the ST4000VN000).
The new drive (ZGY1GDFS) has 104 reallocated sectors and 16 uncorrectable read errors/pending sectors. The reallocated sectors and uncorrectable read errors/pending sectors are being reported by the drive firmware itself, not the NAS. These errors happened very quickly after installation - the first problem showing up about 10 hours after installation. In my opinion you were shipped a defective drive.
Personally I won't use a disk if the sum of reallocated+pending sectors is more than 50(and if I see any reallocated sectors or pending sectors in a newly purchased disk, I return/exchange it with the seller.
So I'd definitely exchange it. If you RMA it to seagate, they will give you a recertified replacement, and you will lose most of the warranty.
- Thanks a lot for the information you have provided. I will contact ebuyer and try to arrange a replacement to be sent.
Just out of interest, do defective disks get shipped often? I'd think they would be checked by manufacturer.
Again thanks!
Fandango522 wrote:
Just out of interest, do defective disks get shipped often? I'd think they would be checked by manufacturer.I haven't seen any good stats on DOA percentage. I've returned one or two over the past 5-6 years.
I don't know how extensively the manufacturer tests them. Of course they can be damaged in shipping and while in inventory (dropped palettes, etc).
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