Installing onto RAID

Mark Komarinski mkomarinski at wayga.org
Tue Sep 17 14:39:36 EDT 2002


Not sure how Debian handles it, but RH allows you to create SW RAID
devices during install.  You may be able to fake it from Debian
by dropping to a shell and creating the RAID partition right after
it boots.

I'm not sure how it handles the situation of the primary master failing
and dropping the MBR.  Maybe you can set up LILO/GRUB to install
to multiple drives simultaneiously?

-Mark

On Tue, Sep 17, 2002 at 02:23:59PM -0400, pll at lanminds.com wrote:
> 
> Hi all,
> 
> I'm playing around with sw RAID under Linux.  I have a system which 
> has 4 IDE drives which I want to install onto.  I want to mirror all 
> the file systems on all 4 drives, such that if any one drive 
> fails, the system should be able to boot from the next bootable 
> device.
> 
> However, I seem to be in a catch-22 position.  In order to mirror 
> across all the drives, don't I need to install to all the drives?
> And if so, how do I configure the RAID set *before* I install?
> 
> Or, is there a way to install to the primary master, yet create a
> /etc/raidtab file which then gets read and invoked at boot time and 
> will mirror whatever is on /dev/hdaX to /dev/hd[b,c,d]X ?
> 
> Anyone ever do this before?
> 
> Thanks,
> 
> -- 
> 
> Seeya,
> Paul
> --
> 	It may look like I'm just sitting here doing nothing,
>    but I'm really actively waiting for all my problems to go away.
> 
> 	 If you're not having fun, you're not doing it right!
> 
> 
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