RAID 1: Dual boot Fedora 9 & XP

[Sebastian Gurovich]

2008/5/20 Sam Varshavchik <mrsam at courier-mta.com>:

> Sebastian Gurovich writes:
>
>  « HTML content follows »
>> Is it possible to setup a RAID1 for a new installation of an XP/Fedora9
>> dual boot system with two new hard-disks: (Seagate 500 GiB 32 Meg buffer)
>>
>> I want to safeguard both the XP and Fedora partitions by having one disk
>> mirror the other.
>> Are there any good Fedora 9 guides to follow for this?
>>
>
> Nope. How exactly do you expect Fedora to implement RAID 1 for Windows XP?
>

>
>  I haven't yet purchased the motherboard but I could go for one with a RAID
>> controller so I could also use so-called FAKE RAID. But would I need 1 or 2
>> controllers and which controllers are open source? I'm really confused about
>> using RAID1 with dual boot and so any help would be much appreciated.
>>
>
> You are confusing three completely different things.
>
> Hardware RAID is where the RAID function is implemented by a dedicated RAID
> disk controller. Some hardware RAID solutions are operating
> system-independent. As far as an OS is concerned, Windows or Linux, they see
> one virtual disk, and the RAID logic is implemented at the hardware level.
>
> Pseudo-hardware RAID is similar, but requires some level of operating
> system support. Both Windows XP and Linux must have explicit support for the
> particular RAID hardware.
>
> You'll find very little information on the net regarding hardware or
> pseudo-hardware RAID support in Linux, for the simple reason that most RAID
> implementation in Linux use software RAID, or soft-RAID. That's where the
> Linux kernel itself handles the RAID functionality. Linux soft-RAID works
> with any hardware. You may, for example, put one IDE and one SCSI hard
> drive, of the same size, into a RAID-1 configuration with Linux soft-RAID.
>
> Soft-RAID has been, traditionally, the best supported RAID in Linux, for
> the simple reason that no special RAID hardware is required, and it works
> with pretty much anything.
>
> Of course, Windows XP knows nothing about Linux soft-RAID, and it's going
> to be rather difficult to find a hardware and pseudo-hardware RAID solution
> that works both in Windows and Linux.
>
>
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Are you suggesting that I partition my 2 disks identically and then
implement software RAID 1
inside of my Windows XP and linux partitions? Do I only need to install the
two OSs on 1 of the two physical disks?
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