HOWTO Install GRUB on several disks

This article was first written in November 2005 for the BeezNest technical
website (

To install GRUB on several disks in the same machine (for example for Software RAID setups), just issue the following commands:

#grub --device-map=/boot/grub/

>> root (hd0,0)
>> setup (hd0)
>> root (hd1,0)
>> setup (hd1)
>> quit
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