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2TB vs 2x 1TB RAID 0 for reliabilty...

post #1 of 5
Thread Starter 
I know you're all going to scream about RAID 0 being for performance, NOT reliability, but hear me out...

(Speaking specifically of WD Green drives)

Seems like the 2TB drives have pretty shaky reliability, while the 1TB models seem more bulletproof. I need to replace my failing 2TB in my main HTPC, which stores media and is my main save to spot for stuff I want to keep forever (family pics and such) - that whole drive is backed up externally in case of a power surge or other catastrophe (will soon have fireproof safe for it).

So even though failure rate with RAID 0 is twice as high, is the decreased failure rate of the 1TB drives more than enough to overcome it?


Performance/speed is of little concern in this situation, but faster is always better in my eyes
Edited by DaveG - 7/30/11 at 1:17pm
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post #2 of 5
Quote:
Originally Posted by DaveG View Post
So even though failure rate with RAID 0 is twice as high, is the decreased failure rate of the 1TB drives more than enough to overcome it?
Hard to tell.

However, there are other economical 2TB drives than the WD Greens that may serve better.

Really though, you should have backups. I wouldn't trust one single drive or any single array to important data for long.
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post #3 of 5
Thread Starter 
I do complete periodic backups of that drive.
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post #4 of 5
WD 1TB Blacks are quite reliable. There's a chance two in RAID-0 is more reliable than a 2TB drive. However, if one fails, all the data goes poof, so make sure you stick with doing regular backups.
     
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post #5 of 5
Using Enterprise level drives and regular backups is the way to go.

If you're gonna use consumer level drives, set a alarm for 2 years and 10 months. Swap out those hard drives before the 3 year warranty is up and send those drives in for warranty replacement, they never check and will send you new drives.
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