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To: gentoo-amd64@g.o
From: Chris S <taskara@...>
Subject: Root on Raid and LVM
Date: Sun, 02 Oct 2005 11:00:37 +1000
Greetings,

This is not an really an AMD64 issue, although the system is an nForce4 
SLI with nv sata.

In short, I'm trying to get my Gentoo system built on an lvm group on 
top of raid5, but it won't go.

I am using a genkernel --lvm2 created initrd but when it searches for 
raid volumes it find nothing! (I did also have --dmraid but I think 
that's for those "sudo hardware" onboard raid controllers)
However, if I boot to the kernel directly without an initrd, it DOES 
find the raid devices (but then fails, naturally, because it can't find 
lvm volumes).

Essentially I have:
sda5, b5, c5, d5 all on a linux software raid 5 array (/dev/md5) - 
partition types are all "fd".
I then have an lvm group called "system" under that, and then volumes 
"slash" and "home" under that.

Have tried 2.6.13 gentoo-sources and 2.6.14 mm-sources.

I've read about a new bootloader option, lvmraid, but I have yet to try 
adding "lvmraid=/dev/md5" to grub's kernel line.
However, it seems strange that the initrd is not picking up the raid 
devices.

Any thoughts?

Cheers,
-c
-- 
gentoo-amd64@g.o mailing list


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Updated Jun 28, 2012

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