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List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: "Florian D." <flockmock@...>
Subject: Re: Re: Root on Raid and LVM
Date: Wed, 02 Nov 2005 13:33:29 +0100
Duncan wrote:
> He didn't say he didn't have an extra boot.  He only enumerated the LVs
> (logical volumes) on the MD/RAID, which he said was on sda5, sdb5, etc,
> all partition 5, on /dev/md5.
yes, i also realized that afterwards..
> 
> The usual way to handle that, if you are booting from the RAID array
> as well, is to create a small raid1 array out of small partitions toward
> the front of each physical disk, for /boot. Being raid1 (mirrored), the
> same data is imaged to all disks in the raid1 identically.  Both GRUB and
> LILO can read individual disk partitions belonging to the mirror array as
> if they were stand-alone partitions, so can boot from any of them, altho
> they do boot from only one at a time.
i have a similar solution with a raid5 for /opt /usr /home, etc. and a 
small / on raid1. but i think grub is better in this situation, because 
with the grub shell, in case of a failed disk, the changed 
identification of the subsequent disks can easily be corrected. i donĀ“t 
know how lilo handles this.

> ...  As some may guess, I've been studying this stuff recently!  =8^)  I
> don't have my own RAID setup yet, but probably will by late this week.  (I
> plan to go pickup the drives probably Tue or Wed.)
good luck. when there is no email from you for some days, then we know 
sth. went wrong ;-)
-- 
gentoo-amd64@g.o mailing list


Replies:
Re: Re: Root on Raid and LVM
-- Duncan
Re: Re: Root on Raid and LVM
-- Sebastian Redl
References:
Root on Raid and LVM
-- Chris S
Re: Root on Raid and LVM
-- Chris Smart
Re: Root on Raid and LVM
-- Florian D.
Re: Root on Raid and LVM
-- Duncan
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Updated Oct 31, 2011

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