XP Pro Raid-5 confusion...

jeff d

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Nov 18, 2011
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I've been running an xp pro box with a windows dynamic raid-5 drive that was configured with the disk management plugin. A couple of months ago I had a problem with the power supply in that PC and that dynamic drive was trashed. I've recovered the data, and replaced the bad PS, but now I want to recreate the dynamic drive. (I'm thinking about using an old promise card to do hw raid rather than sw raid, but that's a another problem)

When the drive came up, XP disk manager showed it was a raid-5, but damaged or some other message and only would allow me the option to delete the volume. I did that but only after getting the data of. Now, I'm trying to reconstruct the raid-5 volume, but can't. Disk manager won't give me the option to do so. Looking online for reasons why and I find this microsoft article:
http://technet.microsoft.com/en-us/library/bb457110.aspx

The article says XP (any version) doesn't support raid-5. That's odd, I believe disk manager help even tells how to do it.
Windows XP Pro diskpart supoorts raid 5, I've used disk manager to do it before, but maybe not? There's also the great link on tom's about hacking XP home to support the raid-5 also, someone is wrong.

My questions are these:
1) Does or doesn't XP Pro support raid-5 dynamic disks? I'm pretty sure yes, but I'm unable to for some reson.
2) Would there any reason why disk manager won't allow me to create a new raid-5 when I have unallocated space on three drives all of equal size?
 

jeff d

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Nov 18, 2011
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18,510
I know about the hack however I thought it was for enabling the features found in pro on the home edition. I could be wrong but I don't think I ever touched those files. I'll try the patch and see what happens.

I set this up years ago and have forgotten exactly how it was done.
Another strange thing is that that the disk manager describes how to do it in the help system.