Bug#94200: should work on RAID partitions

[Brian May]

>>>>> "Dave" == Dave Cinege <address@hidden> writes:

    Dave> The work around is to change the partition types back to 0x83, and 
    Dave> spec 'md=' on your kernel arguments for all the RAID devices you want
    Dave> turned on and kernel boot.

While this would work (I stand corrected), I should re-emphasise that
it is only a hacked solution:

a) as you state it involves turning of kernel auto detection of RAID
devices. This makes it more difficult to boot the kernel from a kernel
boot disk for instance (one created by dd if=kernel of=/dev/fd0).

b) more importantly you have to hardcode one partition in the grub
setup. This partition might be old and need of rsyncing. Proper RAID
support means that grub must automatically detect which RAID partition
it should get its files from. So, for instance, if /dev/hdc needs
rsyncing (perhaps it is a new replacement disk drive), it can still
find the up-to-date files on /dev/hda. Or vice versa.

    Dave> This is the mode of operation I must use as autodetect is
    Dave> unsafe when used on a Storage Area Network with mutiple
    Dave> hosts. Example below.

Perhaps in your situation autodetect is a bad idea (I am not familiar
enough to comment further). That doesn't mean it is a bad idea for
everyone though.
-- 
Brian May <address@hidden>