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Raid question.

post #1 of 9
Thread Starter 
Is it possible for me to set up Raid 0 with..

Sata 3 - 500gb
Sata 2 - 160gb

Or will this simply not work.
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post #2 of 9
You could do it, but you'd only have a 320GB array.
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by Dopamin3 View Post
You could do it, but you'd only have a 320GB array.
That wouldn't be terrible, how well would the speed improve. If it isn't a 25-50% gain im not going to do it.
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post #4 of 9
Quote:
Originally Posted by Conner View Post
That wouldn't be terrible, how well would the speed improve. If it isn't a 25-50% gain im not going to do it.
RAID will basicly improve your read times, files transfer's, etc.
Overall its like a 25-40% gain in performance overall. Try this site. http://www.hardwaresecrets.com/article/394 Gives you an idea of what you will see improved. you will basicly only see a great improvement in read times. not much else.

Try not to RAID if they're different types of hard drives..like if they're both Seagate barrucada's but different amount of space then its fine, but different hardware, etc. you probably shouldnt do.
Edited by brobanmanx2 - 8/2/11 at 9:48pm
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by brobanmanx2 View Post
RAID will basicly improve your read times, files transfer's, etc.
Overall its like a 25-40% gain in performance overall. Try this site. http://www.hardwaresecrets.com/article/394 Gives you an idea of what you will see improved.
I could get another Sata 2 160gb drive off a friend for 10 bucks. Might throw the two of them in raid and use my 500 as storage.

Sounds like a plan?
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post #6 of 9
Quote:
Originally Posted by Conner View Post
I could get another Sata 2 160gb drive off a friend for 10 bucks. Might throw the two of them in raid and use my 500 as storage.

Sounds like a plan?
Most definitely. Would be a waste of a Sata 3 500gb.
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post #7 of 9
Thread Starter 
Quote:
Originally Posted by brobanmanx2 View Post
Most definitely. Would be a waste of a Sata 3 500gb.
Cool, now im just checking with my friend to see if its WD like my 160gb drive, and if it is ill be set.
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post #8 of 9
Quote:
Originally Posted by Conner View Post
That wouldn't be terrible, how well would the speed improve. If it isn't a 25-50% gain im not going to do it.
Speeds would probably drop from a single drive. RAID-0 stripes data across both drives, so for most reads/writes one drive will be busy constantly and one will be idle and waiting for the other to catch up.

That's just the nature of how it works. Most software sends read/write requests serially. (one after the other) They need to be sent in parallel for the faster drive to make any headway.

Quote:
Originally Posted by Conner View Post
I could get another Sata 2 160gb drive off a friend for 10 bucks. Might throw the two of them in raid and use my 500 as storage.

Sounds like a plan?
That sounds like a better plan.

But your 500GB is probably still faster. I've got a 120GB drive, and it wouldn't come close to my WD Black even in RAID...

Heck, even my Raptor is slower than my WD Black... new tech.
     
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post #9 of 9
It would boost your sequential reads/writes over the slowest drive by about 80%.

As stated, you'd be limited to a 320GB array.
2x160 GB sounds like a better idea, but as stated, may not have the density to support the speed boost you're looking for.

Edit:
Any extra transfer speed offered from the 500 GB will be wasted as it will always be waiting on the smaller drive.
Edited by beers - 8/3/11 at 3:14am
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