March 15, 2015

3.4 GRUB Device Nomenclature

In both GRUB versions, the first hard drive is denoted as hd0, the second as hd1, etc. However, in version 1, partitions start counting from 0 and in version 2 from 1:

sda1 is (hd0,1) in GRUB 2 but (hd0,0) in GRUB 1.
sdc4 is (hd3,4) in GRUB 2 but (hd3,3) in GRUB 1.

Wouldn't sdc by hd2?

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