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I'm searching and researching for answers for days now with little success. I've setup a Windows 10 software RAID-1 nurrir with 2 ADATA 240gb SSD disks.

I expected that when 1 drive fails, then the other one would take over. I also expected that if I remove 1 drive, then the other would take over. This is only true for the first drive. So what does the second do? If it's the only drive attached, Windows won't start.

I even tried installing Windows on the second drive as well so the 2 "EFI" and "Recovery" partitions are also added. Later in Windows I removed the main Windows partition and set up a mirror with the Windows partition of the first drive. This went fine, but also didn't make the second disk bootable.

How do I setup Windows RAID-1 so that either disk can take over running Windows, and I just have to replace the disk on failure?

Would fake (motherboard) RAID be a better solution? Or will that also prevent Windows from booting if one disk fails?

Thanks.

Chris W. Rea
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Peps
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2 Answers2

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It may be because of how you set them up. I know it's a long read, but check out this monster article from Microsoft.... "How to establish and boot to GPT mirrors on 64-bit Windows"... https://support.microsoft.com/en-us/help/814070/how-to-establish-and-boot-to-gpt-mirrors-on-64-bit-windows

Craig
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I can't believe I can't find a little tool or script to do this.

This would be so useful to replace/upgrade drives.

Start a mirror drive (bootable) without down time, then break mirror and boot from the new drive.

user2382505
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