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#10 Re: Software RAID5 and LVM with the Etch Installer Posted by rpetre (83.166.xx.xx) on Fri 6 Apr 2007 at 13:41 For the record, here's how I do the MBR replication: # grub --no-floppy device (hd0) /dev/sda root (hd0,0) setup (hd0) device (hd0) /dev/sdb root (hd0,0) setup (hd0) device (hd0) /dev/sdc root (hd0,0) setup (hd0) ... and so on. Notes: * --no-floppy speeds up grub's loading * the 'device' trick insures that the 2nd stage and the kernel are loaded from the same disk as the MBR, provides some independence from the BIOS settings (i've seen some voodoo cases where this was required) * to be noted that after the first disk, the grub-shell history is of great use: 3xup,bksp,b, enter, 3xup, enter, 3xup, enter , and so on ;) * take great care that the raid1 is in sync, to insure that all the required files are in their final position on disk * thanks to grub's architecture, this only has to be done when upgrading grub or when changing a disk, not on every reconfiguration or kernel upgrade.
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