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How to set up raid on windows 7

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pocatellodave   10-05-2009 at 05:42:27 AM

When I get my free upgrade disc in November(I'm running Vista right now),I plan on running a 500 GB Seagate on windows 7,and I would like to setup my 2 75 GB Raptors on a raid array,using either win xp or win7 as a operating system.I've set up the Raptors before on a xp system,but maybe win 7 is a better idea now.Any suggestions are thoughts would be appreciated.I would hope I can dual boot,as I'm sure win 7 will allow that.Thanks in advance for any help.
pocatellodave

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Bronze Storage badge sub mesa   10-05-2009 at 07:42:19 PM

What kind of RAID? RAID0 or RAID1?

RAID0 would be focus on speed, you should pick Windows 7 because it doesn't have a stripe misalignment when partitioning. All Windows XP this have this issue, leading to lower random I/O performance (IOps).

If you want RAID, you most likely have to re-install the operating system. You won't keep the data on the RAID disk members. With Intel onboard RAID drivers it might be possible, i have no experience in this.

Could you restate your exact question?

------------------------------ ...man will occasionally stumble over the truth, but usually manages to pick himself up, walk over or around it, and carry on.
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pocatellodave   10-05-2009 at 08:03:09 PM

I would use raid 0,and given your reply about windows 7 being the best choice,I would use Windows 7 on both the Seagate 500 GB,and the 2 Raptor 75 GB that would be used for the raid array.I just want to have 2 separate hard drive systems,one for everyday use,and one for gaming.Thanks for your reply.
Pocatellodave

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Bronze Storage badge sub mesa   10-05-2009 at 08:15:10 PM

You could keep XP on the Seagate 500 and install Windows 7 on the RAID0, that would still give you good RAID0 performance when using Windows 7.

So if you want Windows 7 on the Seagate 500GB also, it must be for other reasons than I/O performance. The stripe misalignment i talked about, only affects RAID0, RAID4, RAID5 and RAID6; striping RAID. It doesn't affect RAID1 (mirrors), JBOD or bare disk configurations. So Windows XP can do those fine.

------------------------------ ...man will occasionally stumble over the truth, but usually manages to pick himself up, walk over or around it, and carry on.
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pocatellodave   10-05-2009 at 11:35:28 PM

sub mesa thank you for all your help.my plan is this,install windows 7 over the vista 64 I now have,and then hopefully use win xp with the 2 75 GB raptors,I'm sure there is a way to do this.I have already downloaded the raid setup onto a flash drive,as I don't have a floppy drive on this alienware puter.I want it so when i boot up i have the choice of win 7 on the seagate or win xp on the raid array on the raptors.thanks again for your help.I just thought of something else,if i use xp i won't have 64 bit.....looks like win 7 is going to be used on the raptors. :)
Irondog

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