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raid 0 access times

post #1 of 8
Thread Starter 
im receiving my second samsung f3 1tb this morning, going to put them in raid 0. is there any benefit in short stroking? everything will be on the array os/games/data. but surely if the drive is defragged and all data is pushed to the outer tracks its going to make no difference if its short stroked?
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post #2 of 8
The benefit of short stroking (if you haven't already researched) is the consistently high read/write speed as the whole disk isn't going to be written on (platter wise). You'll benefit from the read/write speeds depending on the things you do and what games take advantage of it...however access times is the main culprit for real night and day difference (where SSD drive excel in). One other thing...your stripe size also makes a difference when dealing with big or small files. You'll never really take full advantage of your RAID-0 unless you're benchmarking with software (HDTune/etc) or video capturing (and the like) in my opinion.
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post #3 of 8
The idea is this...say you got 100GB of data you want to be fast and use all the time you put that on and its fast. Then you got 200GB of data you don't need to be fast or use all the time but that gets put next to your 100GB of data and is next in line to be as fast. Now you want to add 100GB of data that you want to be as fast or close to as your first 100GB of data was but you have to stick it on after the 200GB of data so it can't.

So short stroking you make the first partition say 300GB and the second the rest of the space so that you can put the two 100GB data in the first partition where the HDD's in RAID are at their fastest and the 200GB of data in the second partition.
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post #4 of 8
Thread Starter 
ah ok, thanks for the info, optimum strip size for gaming? (pretty much all i do on my pc) i was gonna go for 128kb?
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post #5 of 8
My opinion...

128KB is the way to go most of the time.
64KB if you're dealing with small and large files.
4KB if drive is used a lot for random access.
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post #6 of 8
Quote:
The benefit of short stroking (if you haven't already researched) is the consistently high read/write speed as the whole disk isn't going to be written on (platter wise).
Yep.

But the trick is to leave the unused partitions empty.

Use 200GBs out of the first partition of the drive and leave the remainder empty.

If there's any info outside of the first partition that the computer needs to access it will negate the advantages of short stroking.
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post #7 of 8
Thread Starter 
if my data is all defragged and placed on the outer area of the disk will this be of any benefit? the only thing that seems to get placed further into the disk is system volume data (for system restore) everything else is on the outside? i have created a raid 0 for the whole disk, anyway i can create a 300gb partition now for all the data and leave the other 1.7tb blank without breaking the array?
Edited by bobsmith123 - 1/7/11 at 6:29am
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q6600 B3 @ 3.2ghz asus pq5 deluxe msi gtx 460 cyclone 850/1700/4000 4 x 1gb 667 mhz ddr2 
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antec 300 
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My System
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CPUMotherboardGraphicsRAM
q6600 B3 @ 3.2ghz asus pq5 deluxe msi gtx 460 cyclone 850/1700/4000 4 x 1gb 667 mhz ddr2 
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2 x samsung hd103sj 1tb RAID 0 7 home premium 64 bit dell E197FP OCZ stealthxstream 2 700W 
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antec 300 
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post #8 of 8
Quote:
i have created a raid 0 for the whole disk, anyway i can create a 300gb partition now for all the data and leave the other 1.7tb blank without breaking the array?

I'm sure you can but IDK the best way to do it.

Windows "sees" your RAID0 as one disk and acts accordingly.

I know that W7 has the capabilties to partition but I use 3rd party programs for that type of disk managment.
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My System
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Hard DriveOptical DriveOSMonitor
Crucial C300 256GB Benq 1655 W7 Ultimate x64 NEC MultiSync LCD2470WNX 
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