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I know that some editions of Windows has built-in support for disk mirroring. But on my computer with Windows Vista, I can't find it.

What editons of Windows has built-in support for disk mirroring (RAID1)?

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up vote 1 down vote accepted

Are talking about hardware RAID1 software-assisted RAID1 or pure software RAID1? First two should work on any version of windows if you have correct drivers installed. They are set up before windows is booted using BIOS menu for RAID controller. The second one will need a driver for motherboard during windows installation.

For purely software RAID1, here's what I managed to find out:

Windows XP and Windows 7 support software RAID. Here are some information sources for XP and 7.

As far as I was able to find out, Windows Vista does not support software RAID. Some sources for that information are here and here and here.

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Thanks. I think that I have to install Windows 7 then. – Jonas Sep 12 '10 at 11:17

I think you will find it is a vista ultimate edition., i am thinking of a process called shadow disk copy. is this what you are looking for?

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No, it's not shadow disk I'm looking for. I'm looking for disk mirroring, software-RAID1. – Jonas Sep 12 '10 at 11:16
That article seem to be wrong, since I can't find mirroring in my Vista Ultimate edition. – Jonas Sep 12 '10 at 15:06

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