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Old 03-08-2009, 12:25 PM   #1
Registered: Mar 2007
Posts: 270

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mdadm raid1 both bootable

How to modify the normal mdadm raid1 (or make during linux installation) so that both disks are bootable? All instances are sata 500GB debian amd64 lenny.

Is that convenient or is it preferable mdadm with only one disk bootable and, in case of failure, recover with knoppix?

Old 03-09-2009, 08:53 AM   #2
Registered: May 2006
Location: BE
Distribution: Debian/Gentoo
Posts: 412

Rep: Reputation: 48

This is what I did with my mirror after installing the OS:

# grub --no-floppy --device-map=/boot/grub/

grub> device (hd0) /dev/hda
grub> root (hd0,0)
grub> setup (hd0)

grub> device (hd0) /dev/hdc
grub> root (hd0,0)
grub> setup (hd0)

grub> quit
Addapt to your needs.

Hope this helps.


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