> Hi, > [snip] > The boot loader is grub and I want both /boot and / raided. > > In the event of a failure of hda I would like the system to switch to > hdc. This works fine. However what I have had problems with is if the > system reboots. If /dev/hda is unavailable I no longer have a > disk with > a boot sector set up correctly. Unless I have a floppy or > CDROM with a > boot loader the system will not come up. > > So my main question is what is the best practice to get a > workable boot > sector on /dev/hdc? How are other people making sure that > their system > remains bootable after a disk failure of the boot disk? Is it even > possible with software raid and PC BIOS? Also when you > replace /dev/hda > how are you getting a valid boot sector on that disk? > > I have found grub to often be problematic so that even when I > move the > good drive to be hda grub does not like to install itself correctly. > > I am sure I am approaching this incorrect in some way, I am just not > sure what is the right way. > > Terrence Martin > UCSD Physics hi! one possible solution would be to use lilo. lilo is capable of booting from md raid1 arrays. look at lilo.conf(5) manpage for 'raid-extra-boot' in 'GLOBAL OPTIONS'. i use it on most of my maschines. AFAIK grub is not able to boot from /dev/mdX. hth christian - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
