Questions concerning multiple OS and RAID-1

[Felipe Alfaro Solana]

On 21 Mar 2005, at 23:15, Fred Nussbaum wrote:

> Hi I hope someone has the answer to the next question.
>
> I'm looking for a way to use a server with three OSes,
> WITH ALL OSes USING (software) RAID-1.
> To be specific: Windows 2003 server, SuSe Professional
> and Fedora Core 3.
>
> The machine works with an Intel SE7520JR2 board and
> two SATA disk of equal size.
>
> The options I've come up with are as follows:
>
> A)
>
> 1)
>
> - Install Windows 2003 on the first 'simple' disk with
> a system/root partition and a data partition.
> - Upgrade this disk from 'simple' to 'dynamic'.
> - Mirror both partitions to the second disk.
>
> This will create a dynamic disk database which
> contains the 'simple' disk partition table info and
> ONE 0x42 partition table entry in the MBR at sector 0.
> Reverting to an 'simple' disk involves breaking the
> mirror and deleting the partitions on the second disk!

Only Windoze can use dynamic disks reliably... IIRC, newer kernel 
versions can understand dynamic volumes, but Linux isnt' compatible 
with Windoze RAID.

Nah! Use hardware RAID-1 (*true* hardware RAID-1, not those crappy 
pseudo-raid controller some manufacturers sell).