why the hell a boot loader should "mirror" anything to the second disk? :)
That is. Place standard MBR into the boot sector. An MBR that will boot from active partition. Be it e.g. /dev/hda and /dev/hdb. Create raid1 device from /dev/hda1 and /dev/hdb1. Mark both partitions as active. And install whatever boot loader you want into /dev/md1 - it will be mirrored automatically to /dev/hda1 and /dev/hdb1 (and to whatever else disks you'll use).
1) are you really mirroring on the same ide controller? 2) whoever told you that the first 512 bytes of a partition are fair game? lvm uses those, and IIRC xfs does too.
L. Btw i recall reading somewhere that grub actually modifies the disk it is booting from if luser wants to change the kernel command line. I dunno if it is true or not, and i am too lazy to read the source. Can anyone confirm or deny that?
L.
--
Luca Berra -- bluca@comedia.it
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