One thing you can try is to kick the value of the System V startup script
toward the end of the boot process. I have had occasional problems where
the network startup took a very long time but seemed to go on in the
background after the system said [ok] and there was not any connectivity
until much later in the boot process.
check in /var/lib/systemimager/images/<imagename>/etc/rc3.d/ for netfs and
nfslock (at least), they should show up as symlinks, something like S25netfs
and S14nfslock. You can mv the file to something like S90netfs and
S90nfslock. You may need to play with this, but if nfslock is broken things
should work, just with lots of errors in the log files.
Don't forget to either cpush the files to the /etc/rc3.d on the nodes and/or
reimage the nodes.
This is a hack, but I have "had" to do it with autofs on some of my systems
to get things to work.
On 4/12/07, Greenseid, Joseph M. <[EMAIL PROTECTED]> wrote:
The head node is not rebooting during this process. It is simply up and
running; a good example of this is a node installation.
On the head node, I am running the OSCAR Wizard; I am in the monitor
cluster screen, and the nodes are installing. Upon completion of the
install, I set them to reboot. They reboot (with the head node still up,
running the OSCAR Wizard), and no NFS file systems. When I click the
"complete cluster setup" button after they reboot, it says success, and then
do the "test cluster setup," the new nodes do not have /home mounted, and
that test fails...
--Joe
________________________________
From: [EMAIL PROTECTED] on behalf of Michael
Edwards
Sent: Thu 4/12/2007 2:15 PM
To: [EMAIL PROTECTED]
Subject: Re: [Oscar-users] NFS file systems not mounting on boot
Are you completely booting the head node before you boot the client
nodes? If you don't the client nodes boot much faster than the head
(because they run so few services) and they will generaly finish
booting before the nfs server is up, so the mounts fail.
On 4/12/07, Greenseid, Joseph M. <[EMAIL PROTECTED]> wrote:
> I am installing OSCAR 4.2.1 on an IA64 cluster. When the nodes reboot
(after installation, and also every time after that), they fail to mount any
NFS file systems. However, once the node has finished booting, if I do a
"mount /home" it mounts instantly.
>
> My exports file on my head node says:
>
> ~]$ cat /etc/exports
> #
> /home 10.2.148.1/255.255.255.0(async,rw,no_root_squash)
> /share 10.2.148.1/255.255.255.0(async,rw)
> ~]$
>
> My fstab entry on a compute node looks like this:
>
> # This file is edited by fstab-sync - see 'man fstab-sync' for details
> /dev/sda3 swap swap defaults 0 0
> /dev/sda2 / ext3 defaults 1 2
> /dev/sda4 /tmp ext3 defaults 1 2
> /dev/sda1 /boot/efi vfat defaults 1 2
> /dev/fd0 /mnt/floppy auto noauto,owner 0 0
> none /dev/pts devpts defaults 0 0
> none /proc proc defaults 0 0
> nfs_oscar:/share /share nfs rw 0 0
> nfs_oscar:/home /home nfs rw 0 0
> none /dev/shm tmpfs defaults 0 0
>
>
> I tried changing nfs_oscar to the head node's eth0 IP addr, and the file
looks like this:
>
>
> # This file is edited by fstab-sync - see 'man fstab-sync' for details
> /dev/sda3 swap swap defaults 0 0
> /dev/sda2 / ext3 defaults 1 2
> /dev/sda4 /tmp ext3 defaults 1 2
> /dev/sda1 /boot/efi vfat defaults 1 2
> /dev/fd0 /mnt/floppy auto noauto,owner 0 0
> none /dev/pts devpts defaults 0 0
> none /proc proc defaults 0 0
> 10.2.148.1:/share /share nfs rw 0 0
> 10.2.148.1:/home /home nfs rw 0 0
> none /dev/shm tmpfs defaults 0 0
>
> However, NFS mounting during boot fails in both cases.
>
> I get variations of the error message in my /var/log/messages log from
the failures during boot:
>
> Apr 12 13:23:58 compute-15-01 mount: mount: mount to NFS server
'nfs_oscar' failed:
> Apr 12 13:23:58 compute-15-01 mount: System Error: No route to host.
>
> or
>
> Apr 12 13:24:07 compute-15-01 mount: mount: mount to NFS server
'nfs_oscar' failed: System Error: Connection refused
>
> or
>
> Apr 12 13:32:25 compute-15-01 mount: mount: mount to NFS server '
10.2.148.1' failed:
> Apr 12 13:32:25 compute-15-01 mount: System Error: No route to host.
>
> As I said, in both instances (both IP address and nfs_oscar hostname in
the fstab), once booting was complete, the command "mount /home" worked
perfectly fine.
>
> Any idea why it isn't working during boot?
>
> Thanks,
> --Joe
>
>
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