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Anyone use Raid 0? Hows performance?

post #1 of 33
Thread Starter 
Hey, im thinking of going with a 3 drive Raid 0 config, i use it for gaming mostly, id use 3 WD 500 gig drives, 64mb of cache, is ther performance worth it?
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Mark D.
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post #2 of 33
In my case it was worth 2 drives but not the 3rd.
1 drive reads around 120mb/s, 2 reads 220mb/s peak and the 3rd only got me to 260mb/s peak with a 128k stripe.

I doubt any setup is going to scale linearly but in my case 2 drives was worth R0 while 3 was not, but you have a lot of cache with those drives so it may be worth trying 3 and a 64k stripe.
Edited by pengs - 5/7/12 at 10:46am
post #3 of 33
Thread Starter 
I went with 2x WD Cav Blue 500gig 16mb cache Raid 0 128k stripe heres a screen shot of HD Tune, look good?, the acesse time seems slow 16.1ms? IDK

465
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post #4 of 33
For games, using non RE WD drives is probably OK smile.gif
But I didn't think WD caviar drives were safe with Raid, because of TLER (time-limited error recovery) thinking.gif

Wikipedia
Quote:
Western Digital Time Limit Error Recovery Utility - WDTLER.EXE

NOTE: the WDTLER.EXE tool is no longer available from Western Digital. WD phone support confirmed that new disks cannot have the TLER setting changed, i.e. RE disks are only suitable for RAID arrays and Caviar are only suitable for non-RAID use. WD also say that using the WDTLER.EXE tool on newer drives can damage the firmware and make the disk unusable.
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post #5 of 33
I use two WD RE4's in RAID0 and in real life it seems almost as fast as my SSD.

18-November-2010_17-18.png
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post #6 of 33
Thread Starter 
Im kinda new to this, but i seem to be getting close to double performance, at least to HD Tunes eyes, i read about a lot of people using Cav drives and love em, im gaming not running an enterpriae level server..lol
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Mark D.
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post #7 of 33
I run 2 SATA2 WD Blacks 500 gigs in Raid 0 as my games / video recording drives.
The 1 gig capacity split into 2 volumes (raid 1 / raid 2)

Performance is ~ 210MB read, ~205MB write.
128k stripe size.

Honestly I think the performance is excellent. Games load quickly, moving files from the array to my SSD and back is very very fast. I encode lots of massive video files (fraps) and I can move these huge files around fairly quickly. I also don't have to worry about the drive fragging like a single drive would with all the writing and deleting of files. I make these drives work!
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post #8 of 33
Thread Starter 
your burst rate is amazing for a platter, but guess raid controller is importasnt too
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Mark D.
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post #9 of 33
access times go up a bit which is a bummer, also make sure you have IDENTICAL drives, and do speedtests on both first (you may have 2 same model number but different batches/speed). Differences in speeds will negatively affect your performance increase.

I did it for a while with two 250Gb drives, performance is there, but its easier, faster, and less headache to shell out more cash for a faster drive... A good (1x1TB platter) 1TB drive is likely to perform better then (2) 2x250GB platter 500GB drives in Raid0.

Or just go out and short-stroke your drives: http://www.overclock.net/t/629402/short-stroke-side-by-side-results/0_20
Edited by kevinf - 5/8/12 at 1:27pm
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post #10 of 33
I used to before the "Hard Drive shortage" :kookoo.gif:
Yes it's worth it frown.gif I miss those 200-ish mb/s transfers sad-smiley-002.gif
3 in raid 0 is best
 
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