error 21

[Jahangir]

Hello Dear
i have install my distro on hdc2 on exsisting redhat,
but when configure our new partition's grub it does
not recogonize dive's partitions.

proceure is as follow
we chroot into our new distro 
run grub
run root
at the level when we type root (hd0, it quits good but
when we press tab it says error 21: selected disk does
not exists.

please help me, i will be very thank ful to you.

Jahangir
 

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