Warren Togami wrote:
#!/bin/sh
#
# Preferred format:
# root=nfs[4]:[server:]path[:options]
# [root=*] netroot=nfs[4]:[server:]path[:options]
Harald and I agree that there is no reason for this second variation to
exist in the case of NFS. It seems the separate root= and netroot= only
makes sense for remote block device protocols like iscsi or nbd.
#
# Legacy formats:
#
# root=/dev/nfs nfsroot=[server:]path[,options]
#
# XXX: All of the following have no reason to exist.
# [net]root=[[/dev/]nfs[4]] nfsroot=[server:]path[,options]
# [net]root=[[/dev/]nfs[4]] nfsroot=[server:]path[:options]
#
I'm removing the three variations of the Legacy nfsroot.txt as discussed.
Fine by me.
[snip]
#
# If server is unspecified it will be pulled from one of the following
# sources, in order:
# static ip= option on kernel command line
Huh? How would you do that?
If $srv is in net.used-if.override it is used
# DHCP next-server option
# DHCP server-id option
# DHCP root-path option
Do we really want this order? It seems we want this order:
* root=
root= is superfluous. as it already takes precedence and these rules
only apply if if server is unspeficied.
* DHCP root-path
* Everything else
I'm not sure about that. nfsroot.txt is a bit unclear here:
[quote]
<server-ip> IP address of the NFS server. If RARP is used to determine
the client address and this parameter is NOT empty only
replies from the specified server are accepted.
Only required for for NFS root. That is autoconfiguration
will not be triggered if it is missing and NFS root is not
in operation.
Default: Determined using autoconfiguration.
The address of the autoconfiguration server is used.
[/quote]
"address of the autoconfiguration server" translates for me as try
next-server or server-id and if that fails use root-path.
#
# NFSv4 is only used if explicitly requested; default is NFSv2 or NFSv3
# depending on kernel configuration
#
# root= takes precedence over netroot= if root=nfs[...]
#
This precedence order shouldn't be necessary as netroot= shouldn't be
necessary for NFS.
Yes that is true. I'd like to keep it there as it keeps the nfs cmdline
arguments consistent with nbd and iscsi.
Regards,
Philippe
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