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Comparison ONE SSD Vs 2x 10K Raptor Drives in Raid 0 - Page 3

post #21 of 47
Quote:
Originally Posted by esCob4r View Post

I have 480
I have 3.0 version. Am I doing something wrong with my raid0?

Well a 40GB Raptor is probably pretty old. Any new drive is going to be faster than a drive from 5 years ago. tongue.gif
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post #22 of 47
Thread Starter 
Quote:
Originally Posted by broadbandaddict View Post

Huh... those do seem a bit slow...
But yeah, question answered. SSDs are far faster. biggrin.gif

Yeah but I should be getting higher then what I am getting. I have it all set up as raid0 but its not performing as fast as it should? I should get more then the gentleman who had his 7200RPM raid tested.
post #23 of 47
Thread Starter 
Quote:
Originally Posted by broadbandaddict View Post

Well a 40GB Raptor is probably pretty old. Any new drive is going to be faster than a drive from 5 years ago. tongue.gif

It is still a 10k Raptor. How can it be that much slower?
post #24 of 47
Quote:
Originally Posted by esCob4r View Post

It is still a 10k Raptor. How can it be that much slower?

Well I'm guessing it has a lower cache. What model is it so I can check into it further because I'm intrigued now too. thinking.gif
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post #25 of 47
Quote:
Originally Posted by esCob4r View Post

It is still a 10k Raptor. How can it be that much slower?

thats simple the drives could be trashed meaning the sectors have been filled and in order to write new data to them they have to be written over. The drives could also be miss aligned, or even your raid stripe could also be setup wrong.

I have to say though that a 10k raptor should still see far better performance than a 7200k drive in general.
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post #26 of 47
Thread Starter 
Quote:
Originally Posted by broadbandaddict View Post

Well I'm guessing it has a lower cache. What model is it so I can check into it further because I'm intrigued now too. thinking.gif

http://www.memory4less.com/m4l_itemdetail.aspx?partno=WD360&itemid=1444228035&rid=fd_10

Western Digital 36GB SATA GD Mfr P/N WD360
post #27 of 47
Thread Starter 
Yeah this was my first time ever setting up a raid so I probably messed something up. Only thing that is on the raid is Windows7 it is acting as my boot drive.
post #28 of 47
Thread Starter 

CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
Crystal Dew World : http://crystalmark.info/
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 98.218 MB/s
Sequential Write : 103.166 MB/s
Random Read 512KB : 35.340 MB/s
Random Write 512KB : 42.653 MB/s
Random Read 4KB (QD=1) : 0.633 MB/s [ 154.4 IOPS]
Random Write 4KB (QD=1) : 2.560 MB/s [ 625.0 IOPS]
Random Read 4KB (QD=32) : 1.152 MB/s [ 281.3 IOPS]
Random Write 4KB (QD=32) : 2.627 MB/s [ 641.3 IOPS]

Test : 1000 MB [C: 40.6% (27.9/68.8 GB)] (x5)
Date : 2012/05/12 0:34:18
OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)


This time my write was a bit faster. But shouldn't I be getting like in the 200s possibly?
post #29 of 47
It has an 8 MB Cache, which isn't bad considering that's a large amount in ratio to it's actual capacity. It's a 7 year old 10k RPM Drive with SATA 1 1.5 Gb/s, and it has access times of around 8 ms which is the huge difference compared to the 15-30 on slower drives, hence where the huge RPM speed comes into play. Even with a fresh raid 0 with brand new W360's you would probably getting about my speeds with better access times.

CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
Crystal Dew World : http://crystalmark.info/
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 183.172 MB/s
Sequential Write : 164.379 MB/s
Random Read 512KB : 53.979 MB/s
Random Write 512KB : 91.401 MB/s
Random Read 4KB (QD=1) : 0.985 MB/s [ 240.5 IOPS]
Random Write 4KB (QD=1) : 2.821 MB/s [ 688.7 IOPS]
Random Read 4KB (QD=32) : 3.211 MB/s [ 784.0 IOPS]
Random Write 4KB (QD=32) : 2.921 MB/s [ 713.2 IOPS]

Test : 100 MB [C: 3.9% (36.7/931.5 GB)] (x5)
Date : 2012/05/11 22:32:39
OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)

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post #30 of 47
Oh and BTW, change the file test size to 100 for uniformity with all of the posted results! It's the second dropdown box that should say 1000MB by default!

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