RAID Lv 1: Grub fails to install!

oxy oxyopes at
Tue Mar 13 16:30:35 UTC 2012

No, I'll run windows inside virtuallbox in ubuntu. The base network
must be linux for me. Thx

On 3/11/12, Rigved Rakshit <r.phate at> wrote:
>> > Hi,
>> >
>> > My friend also has a similar problem. His laptop came with fakeRAID,
>> > with
>> > the drivers installed in Windows. This fakeRAID setup can be controlled
>> via
>> > BIOS. The solution suggested in this thread requires installing Linux
>> using
>> > mdadm. But, will that cause a problem with the Windows install? My
>> > friend
>> > does not want to lose his original Windows install. Is there a way to
>> > install Ubuntu to such a system?
>> Wrong tool.
>> `mdadm` is for administering Linux software RAIDs. These are not
>> compatible with firmware fakeRAID, at all, ever.
>> There /is/ a Linux tool, `dmraid`, which is used to manipulate
>> firmware fakeRAIDs. I have not tried it.
> Ok. Got it!
>> I *really* would not recommend it.
>> FakeRAID is a hack designed to get around manufacturer-imposed
>> restrictions in Windows and Mac OS X workstation editions. Both these
>> OSs are perfectly capable of creating, using and managing software
>> RAID arrays but the vendors block you from doing this because that is
>> a feature of the expensive server editions.
>> FakeRAID works by lying to the OS' disk device driver, or by
>> installing modified disk device drivers. This is not an approach that
>> plays well with dual-booting. A small change on one side could well
>> completely erase the arrays of the other OS.
>> It's there. Use it at your own risk. I use RAID a lot and I would not
>> touch it myself. You /might/ - I emphasize MIGHT - be able to get a
>> separate Linux install on an actual disk to mount and read a Windows
>> fakeRAID array. I suspect that trying to *install* Linux onto such an
>> array is an exercise that will result in long days of repartitioning,
>> reformatting, and reinstalling multiple OSs over and over and OVER
>> again... and that the end result would be about as stable as an
>> elephant balancing on a traffic cone on one foot.
> Thanks for the info!
>> Since the entire objective of RAID is stability, this seems extremely
>> self-defeating to me.
>> Buy more disks, or break the array and use one disk for Windows and
>> one for Linux.
> Yes, that would be only solution. Break the RAID array. The advantage this
> will give is that I will get two hard disks from this. I can have Windows
> on one (along with it bootloader) and Ubuntu on the other (along with
> GRUB). This way, removing one disk in the future will not affect the other
> OS.
> I will have to investigate whether this is possible without re-installing
> Windows. Maybe, I will only need the Windows recovery CD to re-install it's
> bootloader.
> Last solution will be to run Ubuntu in VirtualBox inside Windows.
> Best Regards,
> Rigved Rakshit

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