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Bug#61065: Need /dev/md0 for boot/install RAID support in root.bin



Package: boot-floppies
Version: 2.2.8
Severity: Wishlist

I am trying to make a system which uses a software RAID for boot.  This is
going to be supported as a standard configuration as of kernel 2.4 and is
now supported upstream as of Lilo 21.4.

Basically, it is possible to boot on the Rescue/Root floppies (with a
non-standard kernel), drop to fdisk manually to set partition types to
0xFD (RAID autodetect), run mkraid (from a mounted floppy) to unite the
partitions, and proceed with a more or less standard install -- except
that the root filesystem in the RAM disk is mounted read-only and has no
node /dev/md0.

It can be fixed ("mount -o remount,rw /dev/root / ; mknod b 9 90"), but I
think it would be a good idea and very minimal effort to make the node
present by default so that it would be accessible when the kernel started
the RAID automatically.

In general, support for installing to bootable software RAID should
probably be added to boot-floppies at some point for the 2.4 kernel.

-- Mike



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