Howdy,
I'm having some problems getting 8.0 to install over the network. I've
got my dhcp, tftp and nfs server working well, and I've tested all three
services from this host before attempting to boot over the network.
pxeboot seems to work, and I see it get loaded via tftp. The kernel
boots, and parses the options in loader.conf that exist in my nfs-exported
8.0 DVD fileset:
[r...@archive /home/spork/tmp]# cat
/usr/local/netboot/freebsd8/boot/loader.conf
mfsroot_load="YES"
mfsroot_type="mfs_root"
mfsroot_name="/boot/mfsroot"
boot_multicons="YES"
boot_serial="YES"
console="comconsole,vidconsole"
vfs.root.mountfrom="ufs:/dev/md0c"
I see the kernel does find mfsroot and attaches it:
md0: Preloaded image </boot/mfsroot> 4423680 bytes at 0xc0f6dfe0
But then when it's ready to mount the root filesystem, I get this:
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/md0c
ROOT MOUNT ERROR:
If you have invalid mount options, reboot, and first try the following
from the loader prompt:
set vfs.root.mountfrom.options=rw
and then remove invalid mount options from /etc/fstab.
It doesn't really state what the error is. It's hinting that it's
read-only, but that seems odd. Even if it couldn't mount r/w, shouldn't
it just drop to single-user at this point?
Next it tries nfs:
Trying to mount root from nfs:
NFS ROOT: 192.168.1.111:/usr/local/netboot/freebsd8
em0: link state changed to UP
And there it sits. Remotely I can't do anything. If I'm local, I can
ctrl-alt-del a few times and then about a minute later it does an orderly
restart.
I'm not aware of a good way to snoop on nfs traffic, but tcpdump shows nfs
traffic between the two hosts, which appears to be the client stat-ing a
file or directory. tcpdump also shows some checksum errors, but I recall
a few threads here mentioning that on Intel cards that generally is not a
cause for concern.
From another host, I have no issues mounting that nfs filesystem r/w:
r...@h10[/home/spork]# mount_nfs 192.168.1.111:/usr/local/netboot/freebsd8
/mntr...@h10[/home/spork]# ls /mnt/
.cshrc HARDWARE.TXT boot.catalog media sbin
.profile README.HTM cdrom.inf mnt stand
8.0-RELEASE README.TXT dev packages sys
COPYRIGHT RELNOTES.HTM docbook.css proc tmp
ERRATA.HTM RELNOTES.TXT etc rescue usr
ERRATA.TXT bin lib root var
HARDWARE.HTM boot libexec rr_moved
r...@h10[/home/spork]# touch /mnt/foo
r...@h10[/home/spork]# rm /mnt/foo
r...@h10[/home/spork]# umount /mnt
Any ideas? I've got about a dozen remote boxes to upgrade, so I want to
totally nail down this procedure. I've been putting off learning this for
a few years, and now I've got an actual need for it.
Thanks,
Charles
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