I don't think it would "undermine the prupose of having raid 1".  On software 
raid, RAID 1 gives you a backup disk.  Should the primary disk fail, you still 
have to setup the mirror disk to become the primary before you can boot off it. 
 If you want a RAID 1 setup where you can boot off any one of the disk in the 
mirror set, then you'll definitely need hardware-based raid.


--- mike t.

----- Original Message ----
From: Orlando Andico <[EMAIL PROTECTED]>
To: Philippine Linux Users' Group (PLUG) Technical Discussion List 
<[email protected]>
Sent: Tuesday, May 8, 2007 3:06:50 PM
Subject: Re: [plug] ubuntu 7.04

putting /boot on a raid partition is difficult.

because the kernel is loaded from the /boot partition. but the raid
driver code is inside the kernel. so how can you load the kernel if
you can't read the raid volume?

that said there are ways around it. but they are not straightforward.

the easiest scheme is to use hardware raid. that's what all the
business-critical folks do anyway. very few people use software raid
for mission-critical applications.


On 5/8/07, Hazel Lopez <[EMAIL PROTECTED]> wrote:
> That would mean, I would leave a /boot partition on any of the disks?
> But that wouldn't it undermine the purpose of having raid1 at all?  My
> machine ought to run via any one of the disks that have the filesystem on,
> right?
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