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Forum Discussion
Drives constantly failing, different brands, all on HCL
I have three NVX ReadyNAS, and one of them seems to have a problem where any drive put into it often starts generating SMART errors after a month or two.
I use RaidX
I've been through 4 drives in the past year, all different brands (WD, Seagate etc), and all on the HCL.
It does seem unlikely this is something the NAS could be responsible for, but at the same time its very unusual to have so many failing drives.
My other NAS's are still using the same drive set they were installed with 3 or 4 years ago, without any errors at all.
All I can think of is making sure operating temp is within limits, which it is (it is sat next to the other NAS and well ventilated, drives are all usually reporting around 40C)
Could a faulty hard drive controller result in damaged sectors?
Is there anything I should be checking?
Thanks
I use RaidX
I've been through 4 drives in the past year, all different brands (WD, Seagate etc), and all on the HCL.
It does seem unlikely this is something the NAS could be responsible for, but at the same time its very unusual to have so many failing drives.
My other NAS's are still using the same drive set they were installed with 3 or 4 years ago, without any errors at all.
All I can think of is making sure operating temp is within limits, which it is (it is sat next to the other NAS and well ventilated, drives are all usually reporting around 40C)
Could a faulty hard drive controller result in damaged sectors?
Is there anything I should be checking?
Thanks
6 Replies
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- Have you tried one of the drives that has been working well in one of the other chassis?
Perhaps, assuming you have a backup, take a known working disk out of a chassis and put it into the slot you think is a problem.
Replace the disk you have removed with a known good disk. - I don't see how a bad drive controller could damage sectors. ATA errors certainly, but not sector damage.
vandermerwe wrote: Have you tried one of the drives that has been working well in one of the other chassis?
Perhaps, assuming you have a backup, take a known working disk out of a chassis and put it into the slot you think is a problem.
Replace the disk you have removed with a known good disk.
Good idea, I'll try that
My 2nd NAS is just a backup of the first NAS, so I can just put my new drive into NAS 2, and then after NAS 2 has resynced, swap out the bad disk in NAS 1 with that oneStephenB wrote: I don't see how a bad drive controller could damage sectors. ATA errors certainly, but not sector damage.
Yeah I agree. Im drawing a blank on other possible reasons though
Its possible Ive just been unlucky with all these new drives I bought, but seems a bit of a stretch- And how about a problem with the SATA cable of the PSU. If the disk were to receive less tension that it needs when writing, write could be partial and interpreted as a bad sector, couldn't it ? that said that's really stretching things, never seen a PSU doing that, they were either working or not working at all.
I don't see for the controller either, AFAIK it doesn't control head parking or things like that, it just acts kind of what ethernet does for a computer, that's to say a transport medium with a communication norm on top of it. So yes you could have problems with corrupted data but not with bad sectors. Well unless the tool to detect bad sectors got corrupted data from the disk. I don't know how SMART works but I think the disks does it by itself and then sends some information to the NAS for it to show them to the user, could a corrupted feedback show errors that don't exist ?
testing in another system is the best option indeed, you will know for sure if the disk works with the manufacturer utility. - A power issue could possibly result in damaged media on the hard disk I guess. Though it seems a stretch.
It might be worth trying a different supplier, as it might also be related to shipping and handling. Though that seems a stretch also, since the damage didn't appear right away.
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