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raid1-windows-server-2016/ #2

Open utterances-bot opened 5 years ago

utterances-bot commented 5 years ago

Install Windows Server 2016 using Software RAID1

How to set-up Windows Server 2016 using software RAID1 - on the system volume.

https://silvenga.com/raid1-windows-server-2016/

3D-me commented 5 years ago

Really cool, but doesn't work with GPT or EUFI that is used on newer computers... :(

cmoschip commented 4 years ago

Hi - when you say "I discovered that formating the mirrors using Windows setup was required to get a booting OS" does this mean you're booting off the installation media and using the installation program to format the partition only? (and presumably exiting from the install if you already have a working, and booting Server 2016)

Silvenga commented 4 years ago

If I remember correctly, I had to format the mirrored volume before installing Windows, else Windows wouldn't boot (I believe it failed in the bootmgr). I would normally expect Windows to format the volumes during install, but that didn't appear to be occurring. Both of the mirrors had to be formatted manually.

Remember, we are using mirrored volumes, which is an abstraction level over partitions (formatting the partitions would break the mirror). I was using the setup program to format the volumes created in previous steps.

cmoschip commented 4 years ago

Thanks, Mark - that’s what I thought.

I’ve been reading this and told that it still stands true for 2016 (and likely 2019) - just a little effort to setup. http://download.microsoft.com/download/6/E/E/6EE26977-FAA0-41CC-8BDA-7A0C5E6EB9CC/Configuring%20Disk%20Mirroring%20for%20Windows%20Server%202012.docx

On Mon, Jul 27, 2020 at 5:57 PM Mark Lopez notifications@github.com wrote:

If I remember correctly, I had to format the mirrored volume before installing Windows, else Windows wouldn't boot (I believe it failed in the bootmgr). I would normally expect Windows to format the volumes during install, but that didn't appear to be occurring. Both of the mirrors had to be formatted manually.

Remember, we are using mirrored volumes, which is an abstraction level over partitions (formatting the partitions would break the mirror). I was using the setup program to format the volumes created in previous steps.

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josefreiter9 commented 2 years ago

Hi Silvenga! Thank you for your instruction to create an RAID 1 with windows PE. I completed all steps on my windows 2022-core-server. Now i tried to remove first hdd1 and then hdd2 to boot system with only one hdd but in all two cases I was not able to boot the system. I do not understand because it should be possible to boot the system when 1 hdd is removed. Can it be that you always have to have both hard drives connected to start the system?

Silvenga commented 2 years ago

@josefreiter9 I would suspect you would need to ensure the boot manager is also installed on the second drive - similar to how software RAID works under Linux (also not really supported on Linux). It's been a while, but I swear I tested pulling the first drive.

Although, now that I'm thinking about it, Windows setup had this bug for a while where the boot manager was installed onto the non-system drive - maybe I just got lucky and the boot manager was installed onto the second drive. 😹