Comment 10 for bug 44609

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Ace Suares (acesuares) wrote : Re: [Bug 44609] Re: RAID not implemented (use alternate CD instead)

vote +1

Saïvann Carignan wrote:
> Colin Watson and Tormod Volden :
>
> This can be enabled in karmic since we now have grub2 which support direct raid boot.
> Making it possible to install ubuntu on raid requires very little changes now :
>
> 1. Install mdadm by default into the livecd environment. (676 Kb)
> 2. Patch ubiquity to run these commands in the /target chroot AFTER raid has been partitioned and ubuntu has been installed to make / accessible from initramfs by updating mdadm.conf :
> chroot /target /usr/share/mdadm/mkconf > /etc/mdadm/mdadm.conf
> chroot /target update-initramfs -u
>
> With these two small changes, it's possible for a user that knows how to
> partition and raid from command line to install ubuntu on his raid
> device from ubiquity, using manual partitioning. I tried it and it work
> perfectly. And it's the first step to make raid accessible from LiveCD.
> And since grub2, it's not necessary for partman to make sure that /boot
> is installed on a different partition.
>
> Left to implement later :
> Ubiquity to manage and offer RAID during installation (looks like Palimpsest is already starting to offer functionalities related to raid, which are limited at the moment).
>