[ale] HOWTO->copy over the MBR to a mirrored HD

[Michael Still (mikes)]

This is exactly what I ended up doing with my little 'poor man's mirror' I
asked about the other day.  I did a dd of the /boot and a dd of the mbr like
so: dd if=/dev/sda of=/dev/sdb bs=512 count=1 and then dd if=/dev/sda1
of=/dev/sdb1 bs=1024 and then an rsync of the / filesystem. works like a
champ.   I run it in a cronjob every night now.  you have to use dd on the
/boot filesystem because a copy won't guarantee the location of the boot
image file (vmlinuz...)

--------------------------------------
Michael Still (MikeS at McBurney.com)
System Administrator
The McBurney Corporation
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-----Original Message-----
From: Courtney Thomas [mailto:ccthomas at flash.net]
To: ale at ale.org
Sent: Friday, January 25, 2002 1:53 PM
To: ale at ale.org
Subject: [ale] HOWTO->copy over the MBR to a mirrored HD


Greetings !

I assume that if I copy over the filesystems from one HD to another, and 
then the MBR, that I will have a bootable/usable copy of the the 
original HD.

How do I duplicate the MBR from one to the other without disrupting the 
filesystems to accomplish said goal ?

Debian-2.4.6 if it matters.

Appreciatively,

Courtney


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