nfs setup
Hi,
This is a problem I tried to solve for about 3 weeks without much
progress.
My intended system setup has a dependency graph as follows...
Sys-A <-+--: Sys-B <---: Sys-C
| |
+-----------------+
Where both Sys-C and Sys-B depends on Sys-A for an administrative
directory containing the motd and hosts.*
and Sys-B contains the home directory for both Sys-B and Sys-C.
and Sys-C is a debian mirror.
The reason for such an unusual setup involving Sys-A is that
the uptime for Sys-B and Sys-C is dependent on the availability
of the systems in my lab but Sys-A is consistently up.
My problem is in the setting up of the nfs.
Sys-B and Sys-C refuse to startup rpc.nfsd.
they return the error:
nfsd: could not make a UDP socket
What is puzzling is that Sys-A's nfsd is up and running without
any problem.
I have tried copying the kernel to Sys-B and Sys-C to no avail.
The intrigueing thing was that Sys-C actually worked twice..
both when I changed the kernel (when I copied Sys-A's kernel over
and when I upgraded Sys-C to Debian 1.2). Unfortunately, it only
lasted one reboot... afterwhich nothing else I tried worked.
rpcinfo on Sys-(B|C) reports:
No remote programs registered.
Which is funny because `ps -xaef | grep rpc` returns:
712 ? S 0:00 /usr/sbin/rpc.nfsd INIT_VERSION=sysvinit-2.69 previous=N T
715 ? S 0:00 /usr/sbin/rpc.mountd INIT_VERSION=sysvinit-2.69 previous=N
662 ? S 0:00 /usr/sbin/rpc.portmap INIT_VERSION=sysvinit-2.69 previous=
But if rpcinfo is ran locally, they return:
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100003 2 udp 2049 nfs
100003 2 tcp 2049 nfs
100005 1 udp 823 mountd
100005 1 tcp 825 mountd
Sys-A and Sys-B are now on Debian 1.1,
Sys-C is running Debian 1.2
I will upgrade Sys-B to Debian 1.2 when day breaks but am really
reluctant to change anything on Sys-A, (unless Sys-B is willing
to work).
Things I have tried:
1) (Recompiling|borrowing|stealing) kernels from 2.0.(0|6|27)
2) Toyed with different setting of /etc/exports and /etc/fstab
3) Different settings of rpc.nfsd and rpc.mountd and rpc.portmap
4) Reinstalling Debian 1.1 and Debian 1.2
Can anyone please give any suggestion?
Thanks
Just me,
Wire ...
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