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Raid 0

post #1 of 7
Thread Starter 
I'm looking to put either 2, 3, or 4 hard drives in RAID 0.

I have seen tests from programs like HD Tach where using 4 drives shows about 2x improvement over using 2 drives, but would I notice the difference during real usage? I hate how slow my hard drives are (and how noisy they are), so I'm looking for a fast and quiet setup to install my OS and programs on. My current Seagates are about 3 years old, so they only get about 55 MB/s in HD Tach, and they are fairly noisy.

However many drives I get, I want them to have 320GB/platter (or 334GB/platter) density, since that will mean the best performance. Only Seagate and WD (although WD's didn't get a new model number, so there's no telling if I'd get the right one; I'd probably go for the Seagate anyways) have such drives at the 320GB level right now (Samsung has one, but only at the 1TB level). According to Samsung's website, there are supposed to be F1 hard drives of smaller capacity (such as 160GB, 250GB, and 320GB) as well, but I have yet to see them for sale. If their 160GB F1 drive has 320GB or 334GB/platter density, then I would love to get 4 of those, since that would be the cheapest way to get 4 hard drives with the best current density. However, I have no idea what density the 160GB and 250GB F1 drives will have. Anyone know?

So... what do you guys think?
    
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post #2 of 7
2 drives in a RAID0 is no where near twice as fast as a single drive, nor are 4 drives in a RAID0 twice as fast as 2 drives in a RAIDO. Four drives may be around 150-175% the speed of a single drive.

And while RAID is faster, it is not quieter as instead of reads/writes to a single drive, RAID0 reads/writes all the drives at the same time. So you get more noise for a shorter time.

As for noticing the difference (single drive vs 4 drive RAID0), Yes disk reads/writes will be much faster, but how many reads/writes occur depends on what you are doing.

You could set up Performance Monitor to monitor HDD usage and watch it while you use your computer. That may help you see what performance increase you could expect.
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post #3 of 7
Quote:
Originally Posted by billbartuska View Post
2 drives in a RAID0 is no where near twice as fast as a single drive, nor are 4 drives in a RAID0 twice as fast as 2 drives in a RAIDO. Four drives may be around 150-175% the speed of a single drive.

And while RAID is faster, it is not quieter as instead of reads/writes to a single drive, RAID0 reads/writes all the drives at the same time. So you get more noise for a shorter time.

As for noticing the difference (single drive vs 4 drive RAID0), Yes disk reads/writes will be much faster, but how many reads/writes occur depends on what you are doing.

You could set up Performance Monitor to monitor HDD usage and watch it while you use your computer. That may help you see what performance increase you could expect.
man you nailed that one on the head exactly nice job im ofically impressed. rep to you my friend.
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post #4 of 7
Rep+ also, but what would be the best Noise:Speed ratio hard drive? (if you don't mind me kinda hijacking your thread)
post #5 of 7
I've done a raid 0 and they are pointless unless your rendering or using some thing that would really use 150 MB/s or more.

I found that 3+ drives none raid work best.

I use them like this.
1. XP with basic program and Vista Pagefile.
2. Games
3. Vista with bacis program with XP Pagefile
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775
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by billbartuska View Post
2 drives in a RAID0 is no where near twice as fast as a single drive, nor are 4 drives in a RAID0 twice as fast as 2 drives in a RAIDO. Four drives may be around 150-175% the speed of a single drive.

And while RAID is faster, it is not quieter as instead of reads/writes to a single drive, RAID0 reads/writes all the drives at the same time. So you get more noise for a shorter time.

As for noticing the difference (single drive vs 4 drive RAID0), Yes disk reads/writes will be much faster, but how many reads/writes occur depends on what you are doing.

You could set up Performance Monitor to monitor HDD usage and watch it while you use your computer. That may help you see what performance increase you could expect.
Well I mainly want things to load quicker. Maybe 2 drives? I dunno, lol.
    
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Hard DriveOptical DriveOSMonitor
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post #7 of 7
Quote:
Originally Posted by F3t1sh View Post
Rep+ also, but what would be the best Noise:Speed ratio hard drive? (if you don't mind me kinda hijacking your thread)
Sorry, I'm a benchmarker. With 1300CFMs HDD noise is not an issue! My Raptors are loud though.

I think using isolation mounting would yield far greater results than choosing any particular HDD.
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2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
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