Using Native Boot VHDX to load from a RAM disk

stenrulz

Using Native Boot VHDX to load from a RAM disk 11 October 2014, 14:52

Registered: 10 years ago
Posts: 17

Hello,

At what point in the kernel start up is the ram disk loaded? I am thinking about using the Windows 8 Native Boot VHDX to load from a ram disk. Thus booting the main operating system from the ram disk itself of course with some overhead.

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stenrulz

Re: Using Native Boot VHDX to load from a RAM disk 11 October 2014, 22:23

Registered: 10 years ago
Posts: 17

I have done a few tests with a 20GB ram disk, seems not to show up in the boot list. Would it be possible to load it at this point? Other hard drive drivers, etc are loaded, but not network. https://4sysops.com/archives/native-vhd-boot-in-windows-8/

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Andrew

Re: Using Native Boot VHDX to load from a RAM disk 13 October 2014, 13:25

Admin
Registered: 18 years ago
Posts: 3 568

It doesn't seem to be possible to load Windows from a RAM disk on this stage (it happens well before our RAM disk initialises). For super-fast Windows boot and operation, you might want to consider a RAM backed hard disk drive.

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stenrulz

Re: Using Native Boot VHDX to load from a RAM disk 15 October 2014, 20:19

Registered: 10 years ago
Posts: 17

The closest method I have been able to find is using grub4dos: http://tech.outcult.com/tutorials/winram/01/

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tele2.nl

Re: Using Native Boot VHDX to load from a RAM disk 04 April 2015, 23:15

Registered: 9 years ago
Posts: 4

hello.

If you only make this driver work like the firadisk.sys the world would be a much better place.
your driver is awesome but all the potential is going to waste.

jorg koorn.

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Attachments:
open | download – firadisk-driver-0.0.1.zip (71 KB)

Andrew

Re: Using Native Boot VHDX to load from a RAM disk 05 April 2015, 19:50

Admin
Registered: 18 years ago
Posts: 3 568

I am afraid there's simply not enough demand to justify the development costs of this driver for the few enthusiasts wishing to boot Windows into a RAM drive.

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tele2.nl

Re: Using Native Boot VHDX to load from a RAM disk 05 April 2015, 21:37

Registered: 9 years ago
Posts: 4

How much are the development costs, does not the current driver needs to be altered a little bit or maybe only the inf?
Is this possible with visual studio?

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Andrew

Re: Using Native Boot VHDX to load from a RAM disk 06 April 2015, 00:53

Admin
Registered: 18 years ago
Posts: 3 568

If this was a matter of changing a couple of lines of code, we would have done so. It's much more complex than that.

As you see we distribute the product for free, while hiring a competent kernel-level developer costs thousands of dollars. If you are willing to spend $5-10K, we can negotiate the terms of adding this feature sooner.

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tele2.nl

Re: Using Native Boot VHDX to load from a RAM disk 06 April 2015, 03:53

Registered: 9 years ago
Posts: 4

understood.

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