Re: booting RAID partitions

Jeff Garzik (jgarzik@pobox.com)
Tue, 25 Aug 1998 14:30:51 -0400 (EDT)

Rob Hagopian wrote:
> Yes, lilo can't read the kernel from more than one drive, but that's not
> the issue. The problem was getting your root drive to be RAID, since you
> needed /sbin/mdadd, /sbin/mdrun, /etc/mdtab, and possibly /sbin/ckraid to
> make the RAID devices. Some of these were integrated into the kernel for
> RAID 0/1 by passing kernel parameters, now it can be done for all RAID
> devices.
> Yes, you'll still need to put your kernels on a floppy or something.

Being a lucky Alpha owner, I can add RAID1/5 boot support to MILO
(hopefully!), which I can then blow into flashROM. Excellent solution
for booting my future RAID1 system partition.

Thanks for everything (especially the links in the other msg). This
gives me something new to play with... :)

Jeff

> On 24 Aug 1998, Michael Shields wrote:
> > Jeff Garzik <jgarzik@pobox.com> wrote:
> > > Can you expand that URL? :) I may be missing a patch or something
> > > obvious, but the 2.1.117 linux/drivers/block/md.c lists linear, RAID0,
> > > RAID1, and RAID5 under the CONFIG_MD_BOOT section, with the RAID1/5
> > > code commented out... (line 1250 or so)

> > Apparently because lilo cannot read the kernel from more than one disk.

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