I made this change but it does not seem to help. The nodes still don't catch the NFS file systems on boot. Very strange... --Joe
________________________________
From: [EMAIL PROTECTED] on behalf of Greenseid, Joseph M.
Sent: Fri 4/13/2007 8:43 AM
To: oscar-users@lists.sourceforge.net; oscar-users@lists.sourceforge.net
Subject: Re: [Oscar-users] NFS file systems not mounting on boot
Thanks for the suggestion. I'll give it a try and let you know how it goes.
--Joe
________________________________
From: [EMAIL PROTECTED] on behalf of Michael Edwards
Sent: Thu 4/12/2007 5:54 PM
To: oscar-users@lists.sourceforge.net
Subject: Re: [Oscar-users] NFS file systems not mounting on boot
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: oscar-users@lists.sourceforge.net
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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