mknb - creates a network boot root image for node discovery and flashing
mknb arch
The mknb command is run by xCAT automatically, when xCAT is installed on the management node. It creates a network boot root image (used for node discovery, BMC programming, and flashing) for the same architecture that the management node is. So you normally do not need to run the mknb command yourself. If you have nodes of a different architecture than the management node (e.g. ppc), you can run mknb to create an additional network boot image for that architecture.
The hardware architecture for which to build the boot image: x86, x86_64, ppc, ppc64
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