Hitachi Dynamic Link Manager Software User's Guide for Linux (6.x) (HIT5203-96004, October 2011)

7. Utility Reference
502
parameter.
-b boot-directory
Specify the path for the location in which the initial RAM disk image file is to be
created. This parameter is used to create an initial RAM disk image file in a
directory other than the default directory (
/boot).
-h
Displays the format of the dlmmkinitrd utility.