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=head1 NAME
B<mknb> - creates a network boot root image for node discovery and flashing
=head1 SYNOPSIS
B<mknb> I<arch>
=head1 DESCRIPTION
The B<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 B<mknb>
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command yourself.
If you do run B<mknb> to add custom utilities to your boot root image, and you have an xCAT Hierarchical Cluster with service nodes that each have a local /tftpboot directory (site sharedtftp=0), you will also need to copy the generated root image to each service node.
Presently, only the arch x86_64 is supported.
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=head1 OPTIONS
=over 12
=item I<arch>
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The hardware architecture for which to build the boot image: x86_64
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=back
=head1 RETURN VALUE
0 The command completed successfully.
1 An error has occurred.
=head1 SEE ALSO
L<makedhcp(8)|makedhcp.8>
