Date: Sun, 30 Jun 2002 11:54:32 +1000 From: Yun Huang Yong <gumby@mooh.org> To: freebsd-questions@freebsd.org Subject: installing kernel/world over NFS w/ amd Message-ID: <5.1.0.14.0.20020630113810.05affe98@pop.mooh.org>
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hiyas,
I have two boxes here - one is a P90 (fatso) and another is a Celeron 667
(balance). ()s indicate the machine names.
I wish to build kernel & world on balance and then NFS mount /usr/src and
/usr/obj over to fatso so that it can install kernel & world.
I tried to setup amd on fatso to automount /usr/src and /usr/obj as
required - so that I could just do "cd /usr/src; make installkernel
KERNCONF=FATSO" and it would automount /usr/obj as required (coz I am lazy
to mount both /usr/src and /usr/obj manually :).
The NFS exports are setup correctly on balance - I can mount them manually,
and amd can mount them too.
I start amd using:
amd -p -a /.amd_mnt -l syslog /net /etc/amd.map
And my /etc/amd.map reads:
/defaults type:=nfs;rhost:=balance
usr.src rfs:=/usr/src;fs:=/usr/src
usr.obj rfs:=/usr/obj;fs:=/usr/obj
I then created these symlinks:
/usr/src => /net/usr.src
/usr/obj => /net/usr.obj
which has the desired effect of touching /net/usr.src when /usr/src is
needed, and similarly for /usr/obj, so that amd will automount these dirs.
I then build the kernel for fatso on balance using:
cd /usr/src; make buildkernel KERNCONF=FATSO
Then my problem occurs when I do (on fatso):
cd /usr/src; make installkernel KERNCONF=FATSO
because of the symlinks /usr/src => /net/usr.src => /.amd_mnt/...
where /.amd_mnt/... is the real mount point for balance:/usr/src.
Somewhere in the installkernel process there is a call to get the CWD which
returns the real mount point (ie /.amd_mnt/...) which then seems to be
appended to /usr/obj so it starts looking for files in
/usr/obj/.amd_mnt/... which doesn't exist. I guess normally this would be
/usr/obj/usr/src/..., but because my /usr/src is really pointing to
/.amd_mnt/... it ends up looking for /usr/obj/.amd_mnt/... instead.
What's the solution to this?
I can add fs:=/usr/src and fs:=/usr/obj to my /etc/amd.map entries so that
they become real mount points but then I would have to touch /net/usr.src
to mount /usr/src which loses me the ability to just cd /usr/src and make.
Please CC me on replies, I am not subscribed to questions.
Thanks in advance,
yun
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