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Vista Ultimate and RAID

Last response: in Windows Vista
April 5, 2007 7:35:33 PM

I presume that Vista Ultimate does all RAIDs, but what about the other Vista editions?

Just curiosity. I don't think I'll ever go RAID 5. Just read it from another forum (possibly was this one) about RAID 5 not working with Vista Premium and just wanted confirmation.

For me, I see running OS in RAID 0 and having my data on a RAID 1 and want to make sure that I don't need a certain edition of Vista for this.

More about : vista ultimate raid

April 5, 2007 8:57:02 PM

I don't really know about the other versions but I'm reasonably sure that all versions support the same hardware (I am running Ultimate 64-bit). In your case there is native support for the ich7 chipset and you can set it up any way you want.

I am running Intel's matrix raid with two volumes across 4 500G Seagates; 500G raid 0 and 1T raid 5. I set up both volumes in the bios and then did a clean install, Vista recognized both, ask me which volume to install the system on, and then it never looked back. After the installation was completed I installed Intel's raid manager and turned on write-caching.

I have had no problems and feel fairly secure putting all of my business and personal data on my 1T raid 5 drive (I also have a 750G external USB drive used for backups). Hd Tack says I have a sustained sequential xfer rate of 302Mbs across the entire 500G raid 0 volume and 187 over the entire 1T.
April 5, 2007 9:09:02 PM

I can confirm Iastor timeout errors on Vista Ultimate x32 using RAID 0 (2x Raptor 75GB) on Asus P5BD.

Check the following Intel announcement for details:

Possible Issues With Windows Vista and Intel® RAID

I'm going to try moving my RAID 0 to ports 3&4 (with SATA Lite-On DVD on port 5) tonight and see if that rids me of the Iastor timeout errors. (Deleting the IastroV registry parameters did nothing for me as I was experiencing only Iastor errors.) There is mention, however, of success in escaping Iastor errors by deleting BOTH Iastor and IastorV registry parameters on the below website:

The Flying Nerd

I'll report back my findings.