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How Is Raid Faster?

post #1 of 28
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Does raid make your windows load faster? or is it only faster when i transfer files from the raid drives to a single drive? what else special about raids? will it be faster if i buy 2x Seagate 160GB 7200RPM 8MB Cache (raid0) rather than using just 1x WD Raptor 74GB 10,000RPM?
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post #2 of 28
Correct me if I am wrong, but I believe it won't be faster than a single drive. Your speed is limited by the speed of your hard drive.

Raid is mostly for adding space without having to have a separate drive. Also it is used for just backing up your drive.
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post #3 of 28
Raid is definately faster. Check my FAQ's

RAID0 is faster since it allows read and write operations to be done on two disks simulaneously.

Generally RAID0 will improve any hard disk performance. Boot times will increase, and file transfer will get a substantial boost.

A RAID0 array of the two Seagates will be faster in most aspects than the single Raptor, with the exception of access times, where the raptor is the clear winner (access times decrease in RAID)

I'd recommend to look for a pair of 160GB disks with 16MB cache.
    
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post #4 of 28
Chozart:

Can you answer the following for me?

I have 2x 36.7gb raptors, 16mb cache and Im going to raid them.

I plan on having a partition for OS & Apps, and a partition for Games.

Would I get better performance using a regular raid and just split the partitions, or use an intel matrix raid, and set up 2 separate drives?
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post #5 of 28
Is RAID0 where the data is split between the 2 drives equally?
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post #6 of 28
I'd set them up in RAID0, and make different partitions.

Quote:
Originally Posted by vertek
Is RAID0 where the data is split between the 2 drives equally?
Yep.
RAID0 = striping = higher performance
RAID1 = mirror = data security (loosing half the storage space)

And this drive would be my candidate for a set in RAID0:
Western Digital Caviar RE WD1600YS 160GB 7200 RPM SATA 3.0Gb/s $64.99
    
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post #7 of 28
It depends which one, there is only RAID 0+1 that is faster, correct me if wrong, I think it's stripping+mirroring, then you have other RAID such as Matrix x that copies exactly the same data on the other hard drive but isn't faster.
    
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post #8 of 28
RAID0+1 performs about the same as RAID0, since it's effectively a RAID1 array (mirror) consisting of two RAID0 arrays (striping) Pretty expensive, since yuo loose half the storage space (need four drives)

RAID0 is the fastest. And speed increases with more hard drives.
    
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post #9 of 28
Sorry , forgot important question


What i Meant to say was this

Regular Raid-0 or Intel Matrix with 2 slices of Raid-0 ?

Which one would be better for me?
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post #10 of 28
I don't know too much about the Intel Matrix... what I read, sound complicated. I'd go for regular RAID0 (is Matrix different??)

Not sure to be honest.
    
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