Clean RAID 0 install - With before / after benchmarks

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16 Nov 2007
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Hello

Some of you may recall me lurking around here lately asking a lot of questions about setting up a RAID 0 install, initially going down the route of cloning a non-RAID install to a RAID volume....

Well now after all the questions I got the confidence up to to start from scratch with a fresh install and it's really paid off! It started with preparing the case, cables and ports for the new disks at the weekend then the physical installation of 2 new Velociraptor 150's last night.

Used the latest (dated 23/10/08) Matrix manager drivers and software from the intel site. Swapped existing HDD's around on my IP35 Pro mobo and used SATA ports 1 & 2 for the RAID volume.

Shown below is the benchmark of my old 500Gb system disk, not sure of manufacturer / model, it's just the one that came with the system. Edit ** It is not a single Velociraptor, this is just to show what I was used to and how much things have changed ;) **

All benchmarks below using the long benchmark setting on HD Tach rather than short as I assumed that to be the better option.

001-Systemdisk500Gb25-10-08.jpg


Shown below is the new Velociraptor RAID 0 benchmark taken after HDD activity / updates had settled down but WITHOUT enabling write back cache in Matrix Manager.

002-Systemdiscprewriteback.jpg


And shown below is with write back cache enabled. Significant difference in burst speed!

003-Systemdiscpostwriteback.jpg


The system is so much faster, installation of programs is lightning fast especially when installed from one of my other drives mounted as a virtual drive image.

So anyway hope the benchmarks look about right and convinces others to go down this route, and above all thanks for all the help :)
 
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Very nice, almost exactly doubling up the transfer rate there, all the times i've used raid-0 it has only gone up by about 75% per drive added. A testament to the good seek times on the Velociraptor's I reckon. I was looking to setup a vraptor raid-0 soon, but I was waiting to see the X25-M prices before I committed. Now that I've heard the rumors of the X25-M prices I think I'll go the same way as you.

edit: oh, didnt see that your original disk was not a vraptor; anyway, still nice :D
 
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