On March 17, 2012 at 8:43 PM Mark Knecht <markkne...@gmail.com> wrote:
<snip>
> initramfs side of things. I did have to use one to bring up my server
> with / on a RAID6, not because I needed it long term but in the short
> term I couldn't determine how mdadm was numbering the RAID so that I
> could get grub.conf correct. I'm somehow a bot worried something is
> going to slip by the devs and I'd be better off having an initramfs
> already running on the box when I do allow the upgrades.
>
> Planning on giving Dracut a try.
>
> Thanks,
> Mark
>
The real short of this is that if you use 0.90 superblocks, and /boot on
it's own little partition, your kernel can assembly your
RAID<whateverlevel> without an initrd image. You will reboot with the
/dev/md0 you created as /dev/md0. And unless you have partitions (or is it
single drives) over 2TB, you can use metadata=0.90.
As they say, Works For Me (R).
I've yet to read a simple explanation of HOW-TO do this in a Gentoo doc
(not that it doesn't exist), but you can follow this very simple
README_RAID used in Slackware to build them on Gentoo:
http://slackware.oregonstate.edu/slackware64-current/README_RAID.TXT
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