Peter,
It bothers me that you brought up a SLES10 system that did not have an
NFS mount and
it still did not give you a logon prompt. The idea of setting up a
bogus NFS server
and forcing permission denied messages just to speed up processing would
not help
in this situation.
Do you have any idea how far it is getting before you hang? Is it
permissible for you
all to "cheat" and have someone IPL a system at your data center and
compare messages?
Is it permissible to download the installation media from Novell and
construct you
a system to boot the starter system from? We normally use NFS, but the
book says
that you can boot the starter system from smb and non-Microsoft FTP.
(If you
brought laptops with you, you might be able to share the install media.
I have not
done it.)
The idea about forcing Linux to not find all of it's files might be
useful. If you could
get a single user command prompt, it might be helpful. You would have
to know
which filesystem is on what minidisk though.
Hope this helps,
Ron
Peter E. Abresch Jr. - at Pepco wrote:
There is only one NFS background mount and yes, we waited for 45 minutes
but no timeout and no prompt. We do not have our installation media up
there but we do have some other Linux systems that we backup but do not
normally restore, but unfortunately they all have the NFS background mount
except for one. I might have to recover that one, link some DASD, setroot,
and chkconfig nfs off, and hope that my problem really was NFS. I detached
the osa from the vm guest and hoped that will cause some early timeouts or
failures? Nothing! I recovered a SLES10 that does not use NFS and it IPLed
fine except again, no prompt.
As far as backing up, we shut all our Linux guests down, our z/VM system
down, deactivate z/VM, flash the DASD, activate z/VM, IPL, and start our
guest. We then back up the flashed DASD from z/OS using FDR Full Volume.
Is it something in z/VM?
Peter
Ron Foster at Baldor-IS <[EMAIL PROTECTED]>
Sent by: Linux on 390 Port <[email protected]>
04/07/2008 04:37 PM
Please respond to
Linux on 390 Port <[email protected]>
To
[email protected]
cc
Subject
Re: Linux Guest recovery at Sungard not going well
Peter,
Did you bring a copy of your installation media?
Could you boot it and then look at your restored system?
How many NFS mounts are there? Are you saying you
have waited 45 minutes and not gotten a message indicating
that one of your NFS mounts has been backgrounded or
timed out?
Have you tried setting up some system with the same
IP address as your NFS server, but not running NFS.
That way instead of timing out, you can get something
like connection request rejected. (I forget the exact
message). In some cases, this can hurry things along.
By the way, how did you backup and restore?
Ron
Peter E. Abresch Jr. - at Pepco wrote:
We are at Sungard performing our yearly contingency test. Normally we
restore our Linux DASD and IPL our Linux guest as a guest from Sungard?s
z/VM system. We then logon to our Linux guest from z/VM, change the
network configuration, reboot, and we are good to go. Usually we have to
wait 10 minutes for NFS to timeout before receiving the Linux LOGON
prompt
on the VM console. This has worked for us many times.
However, this year, we never receive the LINUX logon prompt. Linux IPLs
fine, everything seems ok, however, we do not receive the Linux logon
prompt. We wait as long as 45 minutes but never see the prompt. Without
the prompt, we cannot logon and make any changes at all?
The z/VM directory used at Sungard is the same that we have used in
previous tests. Does anyone have any ideas or suggestions.
Peter
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