Hi all
Warren Togami wrote:
[snip]
root=dhcp is a kernel cmdline given by the bootloader (syslinux, grub,
pxelinux, etc.) which directs the initrd during runtime to bring up eth0
and do DHCP. It then mounts the rootfs depending on options given by
the DHCP server. Fedora 10 mkinitrd implements the following two types
of mounts with root=dhcp.
option root-path "172.31.100.254:/path/to/target_root";
option root-path "nbd:172.31.100.254:2000:squashfs:ro";
An existing RFC specifies syntax for iscsi that could be implemented as
well. (Although iscsi is problematic because some types require
authentication.) Arbitrary types of root=dhcp rootfs mounts can be
implemented with hooks made possible with your patch.
A question: Why not use root=/dev/nfs and the other options according to
kernel doc, like nfsroot=... and ip=autoconf? For me that is much more
readable.
Maybe even leave nfsroot-mounting to the kernel as long as that features
remains in the tree.
I guess nbd and iscsi could go the same way like root=/dev/iscsi ...
Regards,
Philippe
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