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Forum Discussion
Readynas Rejected a drive(Green drive yuck!), file scan for days and days without finishing
My readynas identified a bad hard drive(WD green drive) and I am running some test on it to find out what is wrong with it. I tried to format it then transfer some files to it, it will take li...
When a write to a sector fails, the sector is reallocated - mapped to a different part fo the drive, and the data is then written
When a read from a sector fails, that isn't done - because the drive has no idea what data should be written to the reallocated sector. Instead the drive puts that sector on a "pending sector" list, and increases the pending sector count. Later on when that sector is written, it will be reallocated first.
So your drive is certainly failing - with hundreds of sectors that can't be read at the very least. The slow progress on the tests suggests that the i/o is frequently timing out.
Just get a new drive. I suggest a NAS purposed drive (WD Red or Seagate VN).
I am not sure how extensive you test different hard drives drives but I can tell you from my experience, 99% of the time a failing drive is always a "green drive"
I am not sure why but there is something about that green drives that fails like crazy in raid systems. Maybe they call it green drive because its krypotnite.
I wonder if other members have found the same thing, I would advise everyone to stay away from anything green when it comes to hard drives.
Its kind of sad beause it does not really save that much power, maybe a few watts and if you configure your readynas to spin down when not in use for like 30 minutes you could probably save more power then by using all these green drives.
To me personally, my data such as pictures, work documents,etc are worth a lot more than a few watts of power.
I basically have this green drive as a backup for a lot of my pictures in case something happens to the readynas. What does that one moderiator always use to say? Something like " RAID is not backup"
Thanks.
miogpsrocks wrote:
I am not sure how extensive you test different hard drives drives but I can tell you from my experience, 99% of the time a failing drive is always a "green drive"
I am not sure why but there is something about that green drives that fails like crazy in raid systems. Maybe they call it green drive because its krypotnite.
I wonder if other members have found the same thing, I would advise everyone to stay away from anything green when it comes to hard drives.
I haven't seen high failure rates with green drives myself - my NV+ v1 has WD EARS green drives that have been running well for ~50K hours. Some models do have issues with load cycle counts, but usually you can adjust some drive settings to prevent that. The highest failure rates (based on impressions from forum posters) seem to be with Seagate DM drives - which are best avoided.
But I don't recommend green drives (or desktop drives generally). WDC Reds and Seagate VN are just as power-efficient as green drives. They are designed for NAS, give reasonable performance, are quiet, and run cool. And they have a longer warranty (3 years instead of one). They are definitely worth the small increase in price over desktop models.
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